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<div class="header">
<div class="subTitle">
compact1, compact2, compact3
</div>
<div class="subTitle">
javax.script
</div>
<h2 class="title" title="Class AbstractScriptEngine">Class AbstractScriptEngine</h2>
</div><div class="contentContainer">
<ul class="inheritance">
<li><a href="../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li>javax.script.AbstractScriptEngine</li>
</ul> </li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>
All Implemented Interfaces:
</dt>
<dd>
<span><a href="../../javax/script/ScriptEngine.html" title="javax.script中的接口">ScriptEngine</a></span>
</dd>
</dl>
<hr/> <br/> <pre>public abstract class <span class="typeNameLabel">AbstractScriptEngine</span>
extends <a href="../../java/lang/Object.html" title="class in java.lang">Object</a>
implements <a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></pre>
<div class="block">
<span>为<code>eval</code>方法的几个变体提供标准实现。</span>
<br/>
<br/>
<code><b>eval(Reader)</b></code>
<p> <code><b>eval(String)</b></code> </p>
<p> <code><b>eval(String, Bindings)</b></code> </p>
<p> <code><b>eval(Reader, Bindings)</b></code> <br/> <br/> <span>使用抽象方法实现</span> <br/><br/> <span><code><b>eval(Reader,ScriptContext)</b></code>或<code><b>eval(String, ScriptContext)</b></code></span> <br/><br/> <span>与一个<code>SimpleScriptContext</code> 。</span> <br/><br/> <span>一个<code>SimpleScriptContext</code>用作默认<code>ScriptContext</code>的的<code>AbstractScriptEngine</code> ..</span> </p>
</div>
<dl>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
1.6
</dd>
</dl> </li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- =========== FIELD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="field.summary">
<!-- --> </a> <h3>Field Summary</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Field Summary table, listing fields, and an explanation">
<caption>
<span>Fields</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../javax/script/ScriptContext.html" title="interface in javax.script">ScriptContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/script/AbstractScriptEngine.html#context">context</a></span></code>
<div class="block">
这个
<code>AbstractScriptEngine</code>的默认
<code>ScriptContext</code>
<code>AbstractScriptEngine</code> 。
</div> </td>
</tr>
</tbody>
</table>
<ul class="blockList">
<li class="blockList"><a name="fields.inherited.from.class.javax.script.ScriptEngine">
<!-- --> </a> <h3>Fields inherited from interface javax.script.<a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></h3> <code><a href="../../javax/script/ScriptEngine.html#ARGV">ARGV</a>, <a href="../../javax/script/ScriptEngine.html#ENGINE">ENGINE</a>, <a href="../../javax/script/ScriptEngine.html#ENGINE_VERSION">ENGINE_VERSION</a>, <a href="../../javax/script/ScriptEngine.html#FILENAME">FILENAME</a>, <a href="../../javax/script/ScriptEngine.html#LANGUAGE">LANGUAGE</a>, <a href="../../javax/script/ScriptEngine.html#LANGUAGE_VERSION">LANGUAGE_VERSION</a>, <a href="../../javax/script/ScriptEngine.html#NAME">NAME</a></code></li>
</ul> </li>
</ul>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.summary">
<!-- --> </a> <h3>构造方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
<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/script/AbstractScriptEngine.html#AbstractScriptEngine--">AbstractScriptEngine</a></span>()</code>
<div class="block">
使用
<code>SimpleScriptContext</code>作为其默认值
<code>ScriptContext</code>创建一个新的AbstractScriptEngine实例。
</div> </td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/script/AbstractScriptEngine.html#AbstractScriptEngine-javax.script.Bindings-">AbstractScriptEngine</a></span>(<a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a> n)</code>
<div class="block">
使用指定的一个新的实例
<code>Bindings</code>为
<code>ENGINE_SCOPE</code>
<code>Bindings</code>在保护
<code>context</code>领域。
</div> </td>
</tr>
</tbody>
</table> </li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="method.summary">
<!-- --> </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/lang/Object.html" title="class in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/script/AbstractScriptEngine.html#eval-java.io.Reader-">eval</a></span>(<a href="../../java/io/Reader.html" title="class in java.io">Reader</a> reader)</code>
<div class="block">
<code>eval(Reader)</code>调用摘要
<code>eval(Reader, ScriptContext)</code>传递
<code>context</code>字段的值。
</div> </td>
</tr>
<tr class="rowColor" id="i1">
<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/script/AbstractScriptEngine.html#eval-java.io.Reader-javax.script.Bindings-">eval</a></span>(<a href="../../java/io/Reader.html" title="class in java.io">Reader</a> reader, <a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a> bindings)</code>
<div class="block">
<code>eval(Reader, Bindings)</code>调用抽象
<code>eval(Reader, ScriptContext)</code>方法，传递一个
<code>ScriptContext</code> ，其阅读器，作家和绑定其他该范围
<code>ENGINE_SCOPE</code>是相同的受保护的那些成员
<code>context</code>字段。
</div> </td>
</tr>
<tr class="altColor" id="i2">
<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/script/AbstractScriptEngine.html#eval-java.lang.String-">eval</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> script)</code>
<div class="block">
与
<code>eval(Reader)</code>相同，除了使用抽象
<code>eval(String, ScriptContext)</code> 。
</div> </td>
</tr>
<tr class="rowColor" id="i3">
<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/script/AbstractScriptEngine.html#eval-java.lang.String-javax.script.Bindings-">eval</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> script, <a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a> bindings)</code>
<div class="block">
与
<code>eval(Reader, Bindings)</code>相同，只是使用抽象的
<code>eval(String, ScriptContext)</code> 。
</div> </td>
</tr>
<tr class="altColor" id="i4">
<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/script/AbstractScriptEngine.html#get-java.lang.String-">get</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> key)</code>
<div class="block">
获取受保护的
<code>context</code>字段的
<code>ENGINE_SCOPE</code>中指定键的值。
</div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code><a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/script/AbstractScriptEngine.html#getBindings-int-">getBindings</a></span>(int scope)</code>
<div class="block">
返回
<code>Bindings</code>与受保护的规定范围值
<code>context</code>场。
</div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code><a href="../../javax/script/ScriptContext.html" title="interface in javax.script">ScriptContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/script/AbstractScriptEngine.html#getContext--">getContext</a></span>()</code>
<div class="block">
返回受保护的
<code>context</code>字段的值。
</div> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>protected <a href="../../javax/script/ScriptContext.html" title="interface in javax.script">ScriptContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/script/AbstractScriptEngine.html#getScriptContext-javax.script.Bindings-">getScriptContext</a></span>(<a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a> nn)</code>
<div class="block">
返回一个
<code>SimpleScriptContext</code> 。
</div> </td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/script/AbstractScriptEngine.html#put-java.lang.String-java.lang.Object-">put</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> key, <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> value)</code>
<div class="block">
使用
<code>ENGINE_SCOPE</code>
<code>Bindings</code>的
<code>context</code>字段的
<code>ENGINE_SCOPE</code>
<code>Bindings</code>中的指定键设置指定值。
</div> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/script/AbstractScriptEngine.html#setBindings-javax.script.Bindings-int-">setBindings</a></span>(<a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a> bindings, int scope)</code>
<div class="block">
设置
<code>Bindings</code>与在相应的范围值
<code>context</code>字段。
</div> </td>
</tr>
<tr class="altColor" id="i10">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/script/AbstractScriptEngine.html#setContext-javax.script.ScriptContext-">setContext</a></span>(<a href="../../javax/script/ScriptContext.html" title="interface in javax.script">ScriptContext</a> ctxt)</code>
<div class="block">
将受保护的
<code>context</code>字段的值设置为指定的
<code>ScriptContext</code> 。
</div> </td>
</tr>
</tbody>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
<!-- --> </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>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.javax.script.ScriptEngine">
<!-- --> </a> <h3>Methods inherited from interface javax.script.<a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></h3> <code><a href="../../javax/script/ScriptEngine.html#createBindings--">createBindings</a>, <a href="../../javax/script/ScriptEngine.html#eval-java.io.Reader-javax.script.ScriptContext-">eval</a>, <a href="../../javax/script/ScriptEngine.html#eval-java.lang.String-javax.script.ScriptContext-">eval</a>, <a href="../../javax/script/ScriptEngine.html#getFactory--">getFactory</a></code></li>
</ul> </li>
</ul> </li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ============ FIELD DETAIL =========== -->
<ul class="blockList">
<li class="blockList"><a name="field.detail">
<!-- --> </a> <h3>字段详细信息</h3> <a name="context">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>context</h4> <pre>protected <a href="../../javax/script/ScriptContext.html" title="interface in javax.script">ScriptContext</a> context</pre>
<div class="block">
该
<code>ScriptContext</code>默认为
<code>AbstractScriptEngine</code> 。
</div> </li>
</ul> </li>
</ul>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.detail">
<!-- --> </a> <h3>构造方法详细信息</h3> <a name="AbstractScriptEngine--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>AbstractScriptEngine</h4> <pre>public AbstractScriptEngine()</pre>
<div class="block">
使用
<code>SimpleScriptContext</code>作为其默认值
<code>ScriptContext</code>创建一个新的AbstractScriptEngine实例。
</div> </li>
</ul> <a name="AbstractScriptEngine-javax.script.Bindings-">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>AbstractScriptEngine</h4> <pre>public AbstractScriptEngine(<a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a> n)</pre>
<div class="block">
使用指定的一个新的实例
<code>Bindings</code>为
<code>ENGINE_SCOPE</code>
<code>Bindings</code>在保护
<code>context</code>领域。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>n</code> - 指定的
<code>Bindings</code> 。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果n为空。
</dd>
</dl> </li>
</ul> </li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
<!-- --> </a> <h3>方法详细信息</h3> <a name="setContext-javax.script.ScriptContext-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>setContext</h4> <pre>public void setContext(<a href="../../javax/script/ScriptContext.html" title="interface in javax.script">ScriptContext</a> ctxt)</pre>
<div class="block">
将受保护的
<code>context</code>字段的值设置为指定的
<code>ScriptContext</code> 。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptEngine.html#setContext-javax.script.ScriptContext-">setContext</a></code>在界面
<code><a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>ctxt</code> - 指定的
<code>ScriptContext</code> 。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果ctxt为空。
</dd>
</dl> </li>
</ul> <a name="getContext--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getContext</h4> <pre>public <a href="../../javax/script/ScriptContext.html" title="interface in javax.script">ScriptContext</a> getContext()</pre>
<div class="block">
返回受保护的
<code>context</code>字段的值。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptEngine.html#getContext--">getContext</a></code>在界面
<code><a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
受保护的值为
<code>context</code>字段。
</dd>
</dl> </li>
</ul> <a name="getBindings-int-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getBindings</h4> <pre>public <a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a> getBindings(int scope)</pre>
<div class="block">
返回
<code>Bindings</code>与受保护的规定范围值
<code>context</code>场。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptEngine.html#getBindings-int-">getBindings</a></code>在界面
<code><a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>scope</code> - 指定的范围
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
相应的
<code>Bindings</code> 。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果范围的值对于受保护的
<code>context</code>字段的类型无效。
</dd>
</dl> </li>
</ul> <a name="setBindings-javax.script.Bindings-int-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>setBindings</h4> <pre>public void setBindings(<a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a> bindings,
int scope)</pre>
<div class="block">
设置
<code>Bindings</code>与在相应的范围值
<code>context</code>字段。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptEngine.html#setBindings-javax.script.Bindings-int-">setBindings</a></code>在界面
<code><a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>bindings</code> - 指定的
<code>Bindings</code> 。
</dd>
<dd>
<code>scope</code> - 指定的范围。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果范围的值对于
<code>context</code>字段的类型无效。
</dd>
<dd>
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果绑定为空，范围为
<code>ScriptContext.ENGINE_SCOPE</code>
</dd>
</dl> </li>
</ul> <a name="put-java.lang.String-java.lang.Object-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>put</h4> <pre>public void put(<a href="../../java/lang/String.html" title="class in java.lang">String</a> key,
<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> value)</pre>
<div class="block">
在
<code>ENGINE_SCOPE</code>
<code>Bindings</code>的
<code>context</code>字段的ENGINE_SCOPE
<code>context</code>中设置指定的值。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptEngine.html#put-java.lang.String-java.lang.Object-">put</a></code>在界面
<code><a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>key</code> - 指定的键。
</dd>
<dd>
<code>value</code> - 指定的值。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果键为空。
</dd>
<dd>
<code><a href="../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果键为空。
</dd>
</dl> </li>
</ul> <a name="get-java.lang.String-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>get</h4> <pre>public <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> get(<a href="../../java/lang/String.html" title="class in java.lang">String</a> key)</pre>
<div class="block">
获取受保护的
<code>context</code>字段的
<code>ENGINE_SCOPE</code>中指定键的值。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptEngine.html#get-java.lang.String-">get</a></code>在界面
<code><a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>key</code> - 要返回其值的键
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
指定键的值。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果key为空。
</dd>
<dd>
<code><a href="../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果键为空。
</dd>
</dl> </li>
</ul> <a name="eval-java.io.Reader-javax.script.Bindings-">
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<ul class="blockList">
<li class="blockList"> <h4>eval</h4> <pre>public <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> eval(<a href="../../java/io/Reader.html" title="class in java.io">Reader</a> reader,
<a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a> bindings)
throws <a href="../../javax/script/ScriptException.html" title="class in javax.script">ScriptException</a></pre>
<div class="block">
<span><code>eval(Reader, Bindings)</code>调用抽象的<code>eval(Reader, ScriptContext)</code>方法，传递一个<code>ScriptContext</code>其<code>ScriptContext</code>的读者，作者和绑定，其他<code>ENGINE_SCOPE</code>与受保护的<code>context</code>字段的成员<code>context</code> 。</span>
<span>指定<code>Bindings</code>被用来代替<code>ENGINE_SCOPE</code> <code>Bindings</code>所述的<code>context</code>字段。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptEngine.html#eval-java.io.Reader-javax.script.Bindings-">eval</a></code>在界面
<code><a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>reader</code> -甲
<code>Reader</code>包含脚本的源。
</dd>
<dd>
<code>bindings</code> -一个
<code>Bindings</code>要使用的
<code>ENGINE_SCOPE</code>而执行脚本。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
来自
<code>eval(Reader, ScriptContext)</code>的返回值
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptException.html" title="class in javax.script">ScriptException</a></code> - 脚本中是否发生错误。
</dd>
<dd>
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果任何参数为空。
</dd>
</dl> </li>
</ul> <a name="eval-java.lang.String-javax.script.Bindings-">
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<ul class="blockList">
<li class="blockList"> <h4>eval</h4> <pre>public <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> eval(<a href="../../java/lang/String.html" title="class in java.lang">String</a> script,
<a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a> bindings)
throws <a href="../../javax/script/ScriptException.html" title="class in javax.script">ScriptException</a></pre>
<div class="block">
与
<code>eval(Reader, Bindings)</code>相同，除了使用抽象
<code>eval(String, ScriptContext)</code> 。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptEngine.html#eval-java.lang.String-javax.script.Bindings-">eval</a></code>在界面
<code><a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>script</code> -甲
<code>String</code>包含脚本的源。
</dd>
<dd>
<code>bindings</code> - A
<code>Bindings</code>在脚本执行时用作
<code>ENGINE_SCOPE</code> 。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
从
<code>eval(String, ScriptContext)</code>返回值
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptException.html" title="class in javax.script">ScriptException</a></code> - 脚本中是否出现错误。
</dd>
<dd>
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果任何参数为空。
</dd>
</dl> </li>
</ul> <a name="eval-java.io.Reader-">
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<ul class="blockList">
<li class="blockList"> <h4>eval</h4> <pre>public <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> eval(<a href="../../java/io/Reader.html" title="class in java.io">Reader</a> reader)
throws <a href="../../javax/script/ScriptException.html" title="class in javax.script">ScriptException</a></pre>
<div class="block"></div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd></dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd></dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd></dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd></dd>
<dd></dd>
</dl> </li>
</ul> <a name="eval-java.lang.String-">
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<ul class="blockList">
<li class="blockList"> <h4>eval</h4> <pre>public <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> eval(<a href="../../java/lang/String.html" title="class in java.lang">String</a> script)
throws <a href="../../javax/script/ScriptException.html" title="class in javax.script">ScriptException</a></pre>
<div class="block">
与
<code>eval(Reader)</code>相同，但使用摘要
<code>eval(String, ScriptContext)</code> 。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptEngine.html#eval-java.lang.String-">eval</a></code>在界面
<code><a href="../../javax/script/ScriptEngine.html" title="interface in javax.script">ScriptEngine</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>script</code> -甲
<code>String</code>包含脚本的源。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
返回值为
<code>eval(String, ScriptContext)</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../javax/script/ScriptException.html" title="class in javax.script">ScriptException</a></code> - 脚本中是否发生错误。
</dd>
<dd>
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果任何参数为空。
</dd>
</dl> </li>
</ul> <a name="getScriptContext-javax.script.Bindings-">
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<ul class="blockListLast">
<li class="blockList"> <h4>getScriptContext</h4> <pre>protected <a href="../../javax/script/ScriptContext.html" title="interface in javax.script">ScriptContext</a> getScriptContext(<a href="../../javax/script/Bindings.html" title="interface in javax.script">Bindings</a> nn)</pre>
<div class="block">
<span>返回<code>SimpleScriptContext</code> 。</span>
<span><code>SimpleScriptContext</code> ：</span>
<br/>
<br/>
<ul>
<li> <span>使用指定的<code>Bindings</code>作为其<code>ENGINE_SCOPE</code></span> </li>
<li> <span>使用<code>Bindings</code>返回由抽象<code>getGlobalScope</code>方法为<code>GLOBAL_SCOPE</code></span> </li>
<li> <span>在此<code>ScriptEngine</code>的默认<code>ScriptContext</code>中使用Reader和Writer</span> </li>
</ul>
<br/>
<br/>
<span>通过此方法返回的A <code>SimpleScriptContext</code>用于使用抽象的<code>eval(Reader,Bindings)</code>和<code>eval(String,Bindings)</code>版本来实现eval方法。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>nn</code> - 用于
<code>ENGINE_SCOPE</code>绑定
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<code>SimpleScriptContext</code>
</dd>
</dl> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>
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