uTools-Manuals/docs/java/javax/sql/rowset/serial/SQLInputImpl.html

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     javax.sql.rowset.serial 
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<h2 class="title" title="Class SQLInputImpl">Class SQLInputImpl</h2>
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<ul class="inheritance">
<li><a href="../../../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
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<li>javax.sql.rowset.serial.SQLInputImpl</li>
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<dt>
         All Implemented Interfaces: 
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<span><a href="../../../../java/sql/SQLInput.html" title="java.sql中的接口">SQLInput</a></span>
</dd>
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<hr/> <br/> <pre>public class <span class="typeNameLabel">SQLInputImpl</span>
extends <a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a>
implements <a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></pre>
<div class="block">
<span>用于自定义映射用户定义类型（UDT）的输入流。</span>
<span><code>SQLInputImpl</code>对象是包含作为UDT的属性的值的流的输入流。</span>
<p> <span>当在具有自定义映射的SQL结构化或不同类型上调用方法<code>getObject</code>时，此类由驱动程序使用;</span> <span>程序员从不直接调用<code>SQLInputImpl</code>方法。</span> <span>他们在这里提供给那些写<code>RowSet</code>实现的人的方便。</span> </p>
<p> <span><code>SQLInputImpl</code>类提供了一组<code>ResultSet</code>吸气剂方法的读取器方法。</span> <span>这些方法可以读取<code>SQLInputImpl</code>对象中的值。</span> </p>
<p> <span>方法<code>wasNull</code>用于确定最后读取的值是否为SQL <code>NULL</code> 。</span> </p>
<p> <span>当该方法<code>getObject</code>被调用实现该接口的类的对象<code>SQLData</code> ，JDBC驱动程序调用该方法<code>SQLData.getSQLType</code>确定UDT的SQL类型而定制映射。</span> <span>驱动程序创建一个<code>SQLInputImpl</code>的实例，并使用UDT的属性进行填充。</span> <span>然后，驱动程序将输入流传<code>SQLData.readSQL</code>方法<code>SQLData.readSQL</code> ，该方法又调用<code>SQLInputImpl</code>读取器方法从输入流读取属性。</span> </p>
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<dl>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
         1.5 
       </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../../../java/sql/SQLData.html" title="java.sql中的接口"><code>SQLData</code></a></span>
</dd>
</dl> </li>
</ul>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<caption>
<span>构造方法</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#SQLInputImpl-java.lang.Object:A-java.util.Map-">SQLInputImpl</a></span>(<a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a>[] attributes, <a href="../../../../java/util/Map.html" title="interface in java.util">Map</a>&lt;<a href="../../../../java/lang/String.html" title="class in java.lang">String</a>,<a href="../../../../java/lang/Class.html" title="class in java.lang">类</a>&lt;?&gt;&gt; map)</code>
<div class="block">
              创建一个 
             <code>SQLInputImpl</code>对象，该对象使用给定的属性数组和给定的类型映射进行初始化。 
            </div> </td>
</tr>
</tbody>
</table> </li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
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<!-- --> </a> <h3>方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
<caption>
<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor" id="i0">
<td class="colFirst"><code><a href="../../../../java/sql/Array.html" title="interface in java.sql">Array</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readArray--">readArray</a></span>()</code>
<div class="block">
              从流中读取SQL 
             <code>ARRAY</code>值，并将其作为Java编程语言中的 
             <code>Array</code>对象返回。 
            </div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code><a href="../../../../java/io/InputStream.html" title="class in java.io">InputStream</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readAsciiStream--">readAsciiStream</a></span>()</code>
<div class="block">
              将此 
             <code>SQLInputImpl</code>对象中的下一个属性作为ASCII字符流返回。 
            </div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code><a href="../../../../java/math/BigDecimal.html" title="class in java.math">BigDecimal</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readBigDecimal--">readBigDecimal</a></span>()</code>
<div class="block">
              将此 
             <code>SQLInputImpl</code>对象中的下一个属性 
             <code>SQLInputImpl</code>为 
             <code>java.math.BigDecimal</code> 。 
            </div> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code><a href="../../../../java/io/InputStream.html" title="class in java.io">InputStream</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readBinaryStream--">readBinaryStream</a></span>()</code>
<div class="block">
              将此 
             <code>SQLInputImpl</code>对象中的下一个属性作为未解释的字节流返回。 
            </div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code><a href="../../../../java/sql/Blob.html" title="interface in java.sql">Blob</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readBlob--">readBlob</a></span>()</code>
<div class="block">
              在 
             <code>SQLInputImpl</code>对象的头部 
             <code>BLOB</code>值，作为Java编程语言中的 
             <code>Blob</code>对象。 
            </div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readBoolean--">readBoolean</a></span>()</code>
<div class="block">
              获取此的下一个属性 
             <code>SQLInputImpl</code>对象为 
             <code>boolean</code>的Java编程语言。 
            </div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code>byte</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readByte--">readByte</a></span>()</code>
<div class="block">
              获取此的下一个属性 
             <code>SQLInputImpl</code>对象为 
             <code>byte</code>的Java编程语言。 
            </div> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readBytes--">readBytes</a></span>()</code>
<div class="block">
              将此 
             <code>SQLInputImpl</code>对象中的下一个属性作为字节数组 
             <code>SQLInputImpl</code> 。 
            </div> </td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code><a href="../../../../java/io/Reader.html" title="class in java.io">Reader</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readCharacterStream--">readCharacterStream</a></span>()</code>
<div class="block">
              将此 
             <code>SQLInputImpl</code>对象中的下一个属性作为Unicode字符流检索。 
            </div> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code><a href="../../../../java/sql/Clob.html" title="interface in java.sql">Clob</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readClob--">readClob</a></span>()</code>
<div class="block">
              在 
             <code>SQLInputImpl</code>对象的头部 
             <code>CLOB</code>值作为Java编程语言中的 
             <code>Clob</code>对象。 
            </div> </td>
</tr>
<tr class="altColor" id="i10">
<td class="colFirst"><code><a href="../../../../java/sql/Date.html" title="class in java.sql">Date</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readDate--">readDate</a></span>()</code>
<div class="block">
              获取此的下一个属性 
             <code>SQLInputImpl</code>为 
             <code>java.sql.Date</code>的对象。 
            </div> </td>
</tr>
<tr class="rowColor" id="i11">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readDouble--">readDouble</a></span>()</code>
<div class="block">
              获取此的下一个属性 
             <code>SQLInputImpl</code>对象为 
             <code>double</code>的Java编程语言。 
            </div> </td>
</tr>
<tr class="altColor" id="i12">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readFloat--">readFloat</a></span>()</code>
<div class="block">
              获取此的下一个属性 
             <code>SQLInputImpl</code>对象为 
             <code>float</code>的Java编程语言。 
            </div> </td>
</tr>
<tr class="rowColor" id="i13">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readInt--">readInt</a></span>()</code>
<div class="block">
              获取此的下一个属性 
             <code>SQLInputImpl</code>对象为 
             <code>int</code>的Java编程语言。 
            </div> </td>
</tr>
<tr class="altColor" id="i14">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readLong--">readLong</a></span>()</code>
<div class="block">
              获取此的下一个属性 
             <code>SQLInputImpl</code>对象为 
             <code>long</code>的Java编程语言。 
            </div> </td>
</tr>
<tr class="rowColor" id="i15">
<td class="colFirst"><code><a href="../../../../java/sql/NClob.html" title="interface in java.sql">NClob</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readNClob--">readNClob</a></span>()</code>
<div class="block">
              从流中读取SQL 
             <code>NCLOB</code>值，并将其作为Java编程语言中的 
             <code>Clob</code>对象返回。 
            </div> </td>
</tr>
<tr class="altColor" id="i16">
<td class="colFirst"><code><a href="../../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readNString--">readNString</a></span>()</code>
<div class="block">
              读取流中的下一个属性，并将其作为Java编程语言中的 
             <code>String</code>返回。 
            </div> </td>
</tr>
<tr class="rowColor" id="i17">
<td class="colFirst"><code><a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readObject--">readObject</a></span>()</code>
<div class="block">
              以 
             <code>SQLInputImpl</code>对象的头部的 
             <code>Object</code>获取Java编程语言中的Object的值。 
            </div> </td>
</tr>
<tr class="altColor" id="i18">
<td class="colFirst"><code><a href="../../../../java/sql/Ref.html" title="interface in java.sql">Ref</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readRef--">readRef</a></span>()</code>
<div class="block">
              以该Java编程语言的 
             <code>SQLInputImpl</code>对象的形式 
             <code>Ref</code>此 
             <code>SQLInputImpl</code>对象的头部的值。 
            </div> </td>
</tr>
<tr class="rowColor" id="i19">
<td class="colFirst"><code><a href="../../../../java/sql/RowId.html" title="interface in java.sql">RowId</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readRowId--">readRowId</a></span>()</code>
<div class="block">
              从流中读取SQL 
             <code>ROWID</code>值，并将其作为Java编程语言中的 
             <code>RowId</code>对象返回。 
            </div> </td>
</tr>
<tr class="altColor" id="i20">
<td class="colFirst"><code>short</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readShort--">readShort</a></span>()</code>
<div class="block">
              获取此的下一个属性 
             <code>SQLInputImpl</code>对象为 
             <code>short</code>的Java编程语言。 
            </div> </td>
</tr>
<tr class="rowColor" id="i21">
<td class="colFirst"><code><a href="../../../../java/sql/SQLXML.html" title="interface in java.sql">SQLXML</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readSQLXML--">readSQLXML</a></span>()</code>
<div class="block">
              从流中读取SQL 
             <code>XML</code>值，并将其作为Java编程语言中的 
             <code>SQLXML</code>对象返回。 
            </div> </td>
</tr>
<tr class="altColor" id="i22">
<td class="colFirst"><code><a href="../../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readString--">readString</a></span>()</code>
<div class="block">
              获取此的下一个属性 
             <code>SQLInputImpl</code>对象为 
             <code>String</code>的Java编程语言。 
            </div> </td>
</tr>
<tr class="rowColor" id="i23">
<td class="colFirst"><code><a href="../../../../java/sql/Time.html" title="class in java.sql">Time</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readTime--">readTime</a></span>()</code>
<div class="block">
              将此 
             <code>SQLInputImpl</code>对象中的下一个属性 
             <code>SQLInputImpl</code>为 
             <code>java.sql.Time</code>对象。 
            </div> </td>
</tr>
<tr class="altColor" id="i24">
<td class="colFirst"><code><a href="../../../../java/sql/Timestamp.html" title="class in java.sql">Timestamp</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readTimestamp--">readTimestamp</a></span>()</code>
<div class="block">
              将此 
             <code>SQLInputImpl</code>对象中的下一个属性 
             <code>SQLInputImpl</code>为 
             <code>java.sql.Timestamp</code>对象。 
            </div> </td>
</tr>
<tr class="rowColor" id="i25">
<td class="colFirst"><code><a href="../../../../java/net/URL.html" title="class in java.net">URL</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#readURL--">readURL</a></span>()</code>
<div class="block">
              从流中读取SQL 
             <code>DATALINK</code>值，并将其作为Java编程语言中的 
             <code>URL</code>对象返回。 
            </div> </td>
</tr>
<tr class="altColor" id="i26">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/serial/SQLInputImpl.html#wasNull--">wasNull</a></span>()</code>
<div class="block">
              确定从此 
             <code>SQLInputImpl</code>对象读取的最后一个值是否为 
             <code>null</code> 。 
            </div> </td>
</tr>
</tbody>
</table>
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<!-- --> </a> <h3>Methods inherited from class java.lang.<a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a></h3> <code><a href="../../../../java/lang/Object.html#clone--">clone</a>, <a href="../../../../java/lang/Object.html#equals-java.lang.Object-">equals</a>, <a href="../../../../java/lang/Object.html#finalize--">finalize</a>, <a href="../../../../java/lang/Object.html#getClass--">getClass</a>, <a href="../../../../java/lang/Object.html#hashCode--">hashCode</a>, <a href="../../../../java/lang/Object.html#notify--">notify</a>, <a href="../../../../java/lang/Object.html#notifyAll--">notifyAll</a>, <a href="../../../../java/lang/Object.html#toString--">toString</a>, <a href="../../../../java/lang/Object.html#wait--">wait</a>, <a href="../../../../java/lang/Object.html#wait-long-">wait</a>, <a href="../../../../java/lang/Object.html#wait-long-int-">wait</a></code></li>
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<ul class="blockListLast">
<li class="blockList"> <h4>SQLInputImpl</h4> <pre>public SQLInputImpl(<a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a>[] attributes,
                    <a href="../../../../java/util/Map.html" title="interface in java.util">Map</a>&lt;<a href="../../../../java/lang/String.html" title="class in java.lang">String</a>,<a href="../../../../java/lang/Class.html" title="class in java.lang">类</a>&lt;?&gt;&gt; map)
             throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>创建一个<code>SQLInputImpl</code>对象，该对象使用给定的属性数组和给定的类型映射进行初始化。</span>
<span>如果任何属性是一个UDT在类型映射中的条目，其名称是，则该属性将根据相应的映射<code>SQLData</code>实现。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>attributes</code> - 一个<code>Object</code>实例的数组，其中每个元素都是UDT的属性。</span>
<span>数组中属性的顺序与UDT定义中定义属性的顺序相同。</span>
</dd>
<dd>
<code>map</code> - 一个 
            <code>java.util.Map</code>零个或多个条目的 
            <code>java.util.Map</code>对象，其中每个条目包括1） 
            <code>String</code>给出UDT的完全限定名称; 2） 
            <code>类</code>实现的 
            <code>SQLData</code>对象，定义如何映射UDT 
           </dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果 
            <code>attributes</code>或 
            <code>map</code>是 
            <code>null</code>价值 
           </dd>
</dl> </li>
</ul> </li>
</ul>
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<li class="blockList"> <h4>readString</h4> <pre>public <a href="../../../../java/lang/String.html" title="class in java.lang">String</a> readString()
                  throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>获取此的下一个属性<code>SQLInputImpl</code>对象为<code>String</code>的Java编程语言。</span>
<p> <span>此方法不执行类型安全检查以确定返回的类型是否为预期类型;</span> <span>这个责任被委托给由<code>SQLData</code>实现定义的UDT映射。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readString--">readString</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>这个<code>SQLInputImpl</code>对象的下一个属性;</span>
<span>如果值为<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置，或者流中没有其他值。 
           </dd>
</dl> </li>
</ul> <a name="readBoolean--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readBoolean</h4> <pre>public boolean readBoolean()
                    throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>获取此的下一个属性<code>SQLInputImpl</code>对象为<code>boolean</code>的Java编程语言。</span>
<p> <span>此方法不执行类型安全检查以确定返回的类型是否为预期类型;</span> <span>这个责任被委托给由<code>SQLData</code>实现定义的UDT映射。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readBoolean--">readBoolean</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>这个<code>SQLInputImpl</code>对象的下一个属性;</span>
<span>如果是<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置，或者流中没有更多值。 
           </dd>
</dl> </li>
</ul> <a name="readByte--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readByte</h4> <pre>public byte readByte()
              throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>获取此的下一个属性<code>SQLInputImpl</code>对象为<code>byte</code>的Java编程语言。</span>
<p> <span>此方法不执行类型安全检查以确定返回的类型是否为预期类型;</span> <span>这个责任被委托给由<code>SQLData</code>实现定义的UDT映射。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readByte--">readByte</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>这个<code>SQLInputImpl</code>对象的下一个属性;</span>
<span>如果是<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置，或者流中没有其他值 
           </dd>
</dl> </li>
</ul> <a name="readShort--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readShort</h4> <pre>public short readShort()
                throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>获取此的下一个属性<code>SQLInputImpl</code>对象为<code>short</code>的Java编程语言。</span>
<p> <span>此方法不执行类型安全检查以确定返回的类型是否为预期类型;</span> <span>这个责任被委托给由<code>SQLData</code>实现定义的UDT映射。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readShort--">readShort</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>这个<code>SQLInputImpl</code>对象的下一个属性;</span>
<span>如果是<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置，或者流中没有更多值 
           </dd>
</dl> </li>
</ul> <a name="readInt--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readInt</h4> <pre>public int readInt()
            throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>检索此<code>SQLInputImpl</code>对象中的下一个<code>int</code>为Java编程语言中的int。</span>
<p> <span>此方法不执行类型安全检查以确定返回的类型是否为预期类型;</span> <span>这个责任被委托给由<code>SQLData</code>实现定义的UDT映射。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readInt--">readInt</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>这个<code>SQLInputImpl</code>对象的下一个属性;</span>
<span>如果是<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置，或者流中没有更多值 
           </dd>
</dl> </li>
</ul> <a name="readLong--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readLong</h4> <pre>public long readLong()
              throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>获取此的下一个属性<code>SQLInputImpl</code>对象为<code>long</code>的Java编程语言。</span>
<p> <span>此方法不执行类型安全检查以确定返回的类型是否为预期类型;</span> <span>这个责任被委托给由<code>SQLData</code>实现定义的UDT映射。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readLong--">readLong</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>这个<code>SQLInputImpl</code>对象的下一个属性;</span>
<span>如果是<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置，或者流中没有更多值 
           </dd>
</dl> </li>
</ul> <a name="readFloat--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readFloat</h4> <pre>public float readFloat()
                throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>获取此的下一个属性<code>SQLInputImpl</code>对象为<code>float</code>的Java编程语言。</span>
<p> <span>此方法不执行类型安全检查以确定返回的类型是否为预期类型;</span> <span>这个责任被委托给由<code>SQLData</code>实现定义的UDT映射。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readFloat--">readFloat</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>这个<code>SQLInputImpl</code>对象的下一个属性;</span>
<span>如果值为<code>SQL NULL</code> ，则返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置，或者流中没有更多值 
           </dd>
</dl> </li>
</ul> <a name="readDouble--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readDouble</h4> <pre>public double readDouble()
                  throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>获取此的下一个属性<code>SQLInputImpl</code>对象为<code>double</code>的Java编程语言。</span>
<p> <span>此方法不执行类型安全检查以确定返回的类型是否为预期类型;</span> <span>这个责任被委托给由<code>SQLData</code>实现定义的UDT映射。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readDouble--">readDouble</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>这个<code>SQLInputImpl</code>对象的下一个属性;</span>
<span>如果值为<code>SQL NULL</code> ，则返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置，或者流中没有更多值 
           </dd>
</dl> </li>
</ul> <a name="readBigDecimal--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readBigDecimal</h4> <pre>public <a href="../../../../java/math/BigDecimal.html" title="class in java.math">BigDecimal</a> readBigDecimal()
                          throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>检索此<code>SQLInputImpl</code>对象中的下一个属性为<code>java.math.BigDecimal</code> 。</span>
<p> <span>此方法不执行类型安全检查以确定返回的类型是否为预期类型;</span> <span>这个责任被委托给由<code>SQLData</code>实现定义的UDT映射。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readBigDecimal--">readBigDecimal</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>这个<code>SQLInputImpl</code>对象的下一个属性;</span>
<span>如果值为<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置，或者流中没有更多值 
           </dd>
</dl> </li>
</ul> <a name="readBytes--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readBytes</h4> <pre>public byte[] readBytes()
                 throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>将此<code>SQLInputImpl</code>对象中的下一个属性作为字节数组<code>SQLInputImpl</code> 。</span>
<p> <span>此方法不执行类型安全检查以确定返回的类型是否为预期类型;</span> <span>这个责任被委托给由<code>SQLData</code>实现定义的UDT映射。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readBytes--">readBytes</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>这个<code>SQLInputImpl</code>对象的下一个属性;</span>
<span>如果值为<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置，或者流中没有更多值 
           </dd>
</dl> </li>
</ul> <a name="readDate--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readDate</h4> <pre>public <a href="../../../../java/sql/Date.html" title="class in java.sql">Date</a> readDate()
              throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>将此SQLInputImpl中的下一个属性<code>SQLInputImpl</code>为<code>java.sql.Date</code>对象。</span>
<p> <span>此方法不执行类型安全检查以确定返回的类型是否为预期类型;</span> <span>这个责任被委托给由<code>SQLData</code>实现定义的UDT映射。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readDate--">readDate</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>这个<code>SQLInputImpl</code>对象的下一个属性;</span>
<span>如果值为<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置，或者流中没有更多值 
           </dd>
</dl> </li>
</ul> <a name="readTime--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readTime</h4> <pre>public <a href="../../../../java/sql/Time.html" title="class in java.sql">Time</a> readTime()
              throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>将此<code>SQLInputImpl</code>对象中的下一个属性<code>SQLInputImpl</code>为<code>java.sql.Time</code>对象。</span>
<p> <span>此方法不执行类型安全检查，以确定是否返回的类型有这个责任交给了UDT映射为由实现所期望的类型<code>SQLData</code>实施。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readTime--">readTime</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>属性;</span>
<span>如果是<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置;</span>
<span>或者如果流中没有其他值。</span>
</dd>
</dl> </li>
</ul> <a name="readTimestamp--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readTimestamp</h4> <pre>public <a href="../../../../java/sql/Timestamp.html" title="class in java.sql">Timestamp</a> readTimestamp()
                        throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
            将此 
           <code>SQLInputImpl</code>对象中的下一个属性 
           <code>SQLInputImpl</code>为 
           <code>java.sql.Timestamp</code>对象。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readTimestamp--">readTimestamp</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>属性;</span>
<span>如果值为<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置;</span>
<span>或者如果流中没有其他值。</span>
</dd>
</dl> </li>
</ul> <a name="readCharacterStream--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readCharacterStream</h4> <pre>public <a href="../../../../java/io/Reader.html" title="class in java.io">Reader</a> readCharacterStream()
                           throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>将此<code>SQLInputImpl</code>对象中的下一个属性作为Unicode字符流检索。</span>
<p> <span>此方法不执行类型安全检查，以确定是否返回的类型有这个责任交给了UDT映射为由实现所期望的类型<code>SQLData</code>实施。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readCharacterStream--">readCharacterStream</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>属性;</span>
<span>如果是<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置;</span>
<span>或者如果流中没有其他值。</span>
</dd>
</dl> </li>
</ul> <a name="readAsciiStream--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readAsciiStream</h4> <pre>public <a href="../../../../java/io/InputStream.html" title="class in java.io">InputStream</a> readAsciiStream()
                            throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>将此<code>SQLInputImpl</code>对象中的下一个属性作为ASCII字符流返回。</span>
<p> <span>此方法不执行类型安全检查，以确定是否返回的类型有这个责任交给了UDT映射为由实现所期望的类型<code>SQLData</code>实施。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readAsciiStream--">readAsciiStream</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>属性;</span>
<span>如果是<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置;</span>
<span>或者如果流中没有其他值。</span>
</dd>
</dl> </li>
</ul> <a name="readBinaryStream--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readBinaryStream</h4> <pre>public <a href="../../../../java/io/InputStream.html" title="class in java.io">InputStream</a> readBinaryStream()
                             throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>将此<code>SQLInputImpl</code>对象中的下一个属性返回为未解释的字节流。</span>
<p> <span>此方法不执行类型安全检查，以确定是否返回的类型有这个责任交给了UDT映射为由实现所期望的类型<code>SQLData</code>实施。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readBinaryStream--">readBinaryStream</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>属性;</span>
<span>如果值为<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置;</span>
<span>或者如果流中没有其他值。</span>
</dd>
</dl> </li>
</ul> <a name="readObject--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readObject</h4> <pre>public <a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a> readObject()
                  throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>以<code>SQLInputImpl</code>对象的头部的<code>Object</code>获取Java编程语言中的Object的值。</span>
<span>返回的对象的实际类型由SQL编程语言中的类型的默认映射确定，除非有自定义映射，在这种情况下，返回的对象的类型由此流的类型映射决定。</span>
<p> <span>启用JDBC技术的驱动程序在将流传送到应用程序之前，先注册一个类型映射。</span> </p>
<p> <span>当流头的数据是SQL <code>NULL</code>时，此方法返回<code>null</code> 。</span> <span>如果基准是具有自定义映射的SQL结构或不同类型，则此方法确定流头上的基准的SQL类型，构造适当类的对象，并调用该对象上的方法<code>SQLData.readSQL</code> 。</span> <span>然后， <code>readSQL</code>方法调用相应的<code>SQLInputImpl.readXXX</code>方法从流中检索属性值。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readObject--">readObject</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>在流作为头部的值<code>Object</code>在Java编程语言;</span>
<span><code>null</code>如果值为SQL <code>NULL</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置;</span>
<span>或者如果流中没有其他值。</span>
</dd>
</dl> </li>
</ul> <a name="readRef--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readRef</h4> <pre>public <a href="../../../../java/sql/Ref.html" title="interface in java.sql">Ref</a> readRef()
            throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
            以 
           <code>SQLInputImpl</code>对象作为 
           <code>Ref</code>对象在Java编程语言中检索该值。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readRef--">readRef</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>一个<code>Ref</code>对象，表示流的头部的SQL <code>REF</code>值;</span>
<span>如果值为<code>SQL NULL</code>返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置;</span>
<span>或者如果流中没有其他值。</span>
</dd>
</dl> </li>
</ul> <a name="readBlob--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readBlob</h4> <pre>public <a href="../../../../java/sql/Blob.html" title="interface in java.sql">Blob</a> readBlob()
              throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>在<code>SQLInputImpl</code>对象的头部<code>BLOB</code>值，作为Java编程语言中的<code>Blob</code>对象。</span>
<p> <span>此方法不执行类型安全检查，以确定是否返回的类型有这个责任交给了UDT映射为由实现所期望的类型<code>SQLData</code>实施。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readBlob--">readBlob</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>一个<code>Blob</code>对象，表示此流的头部的SQL <code>BLOB</code>值;</span>
<span>如果是<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置;</span>
<span>或者如果流中没有其他值。</span>
</dd>
</dl> </li>
</ul> <a name="readClob--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readClob</h4> <pre>public <a href="../../../../java/sql/Clob.html" title="interface in java.sql">Clob</a> readClob()
              throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>在<code>SQLInputImpl</code>对象的头部<code>CLOB</code>值作为Java编程语言中的<code>Clob</code>对象。</span>
<p> <span>此方法不执行类型安全检查，以确定是否返回的类型有这个责任交给了UDT映射为由实现所期望的类型<code>SQLData</code>实施。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readClob--">readClob</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>一个<code>Clob</code>对象，表示流的头部的SQL <code>CLOB</code>值;</span>
<span>如果值为<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置;</span>
<span>或者如果流中没有其他值。</span>
</dd>
</dl> </li>
</ul> <a name="readArray--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readArray</h4> <pre>public <a href="../../../../java/sql/Array.html" title="interface in java.sql">Array</a> readArray()
                throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>从流中读取SQL <code>ARRAY</code>值，并将其作为Java编程语言中的<code>Array</code>对象返回。</span>
<p> <span>此方法不执行类型安全检查，以确定是否返回的类型有这个责任交给了UDT映射为由实现所期望的类型<code>SQLData</code>实施。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readArray--">readArray</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>一个<code>Array</code>对象，表示流头部的SQL <code>ARRAY</code>值;</span>
<span>*如果值为<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置;</span>
<span>或者如果流中没有其他值。</span>
</dd>
</dl> </li>
</ul> <a name="wasNull--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>wasNull</h4> <pre>public boolean wasNull()
                throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
            确定从此 
           <code>SQLInputImpl</code>对象读取的最后一个值是否为 
           <code>null</code> 。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#wasNull--">wasNull</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span><code>true</code>如果最近读取的SQL值是<code>null</code> ;</span>
<span>否则， <code>false</code> ;</span>
<span>默认情况下将返回false</span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果发生错误，确定最后读取的 
            <code>null</code>值; 
           </dd>
</dl> </li>
</ul> <a name="readURL--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readURL</h4> <pre>public <a href="../../../../java/net/URL.html" title="class in java.net">URL</a> readURL()
            throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>从流中读取SQL <code>DATALINK</code>值，并将其作为Java编程语言中的<code>URL</code>对象返回。</span>
<p> <span>此方法不执行类型安全检查，以确定是否返回的类型有这个责任交给了UDT映射为由实现所期望的类型<code>SQLData</code>实施。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readURL--">readURL</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>一个<code>URL</code>对象，表示流头部的SQL <code>DATALINK</code>值;</span>
<span>*如果值为<code>SQL NULL</code> ，返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果读取位置位于无效位置;</span>
<span>或者如果流中没有其他值。</span>
</dd>
</dl> </li>
</ul> <a name="readNClob--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readNClob</h4> <pre>public <a href="../../../../java/sql/NClob.html" title="interface in java.sql">NClob</a> readNClob()
                throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
            从流中读取SQL 
           <code>NCLOB</code>值，并将其作为Java编程语言中的 
           <code>Clob</code>对象返回。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readNClob--">readNClob</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>表示数据头的SQL <code>NCLOB</code>值的<code>NClob</code>对象;</span>
<span><code>null</code>如果读取的值是SQL <code>NULL</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果发生数据库访问错误 
           </dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.6 
           </dd>
</dl> </li>
</ul> <a name="readNString--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readNString</h4> <pre>public <a href="../../../../java/lang/String.html" title="class in java.lang">String</a> readNString()
                   throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
<span>读取流中的下一个属性，并将其作为Java编程语言中的<code>String</code>返回。</span>
<span>访问时，它适用于使用<code>NCHAR</code> ， <code>NVARCHAR</code>和<code>LONGNVARCHAR</code>列。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readNString--">readNString</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>属性;</span>
<span>如果值为SQL <code>NULL</code> ，则返回<code>null</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果发生数据库访问错误 
           </dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.6 
           </dd>
</dl> </li>
</ul> <a name="readSQLXML--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>readSQLXML</h4> <pre>public <a href="../../../../java/sql/SQLXML.html" title="interface in java.sql">SQLXML</a> readSQLXML()
                  throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
            从流中读取SQL 
           <code>XML</code>值，并将其作为Java编程语言中的 
           <code>SQLXML</code>对象返回。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readSQLXML--">readSQLXML</a></code>在界面 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>一个<code>SQLXML</code>数据头的SQL <code>XML</code>值的<code>SQLXML</code>对象;</span>
<span><code>null</code>如果读取的值是SQL <code>NULL</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果发生数据库访问错误 
           </dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.6 
           </dd>
</dl> </li>
</ul> <a name="readRowId--">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>readRowId</h4> <pre>public <a href="../../../../java/sql/RowId.html" title="interface in java.sql">RowId</a> readRowId()
                throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
<div class="block">
            从流中读取SQL 
           <code>ROWID</code>值，并将其作为Java编程语言中的 
           <code>RowId</code>对象返回。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLInput.html#readRowId--">readRowId</a></code>在接口 
            <code><a href="../../../../java/sql/SQLInput.html" title="interface in java.sql">SQLInput</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>一个<code>RowId</code>对象，表示数据头的SQL <code>ROWID</code>值;</span>
<span><code>null</code>如果读取的值是SQL <code>NULL</code></span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果发生数据库访问错误 
           </dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.6 
           </dd>
</dl> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>