From 127c6902bf06b8fdc48fa81034face3a9609da17 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A4=9C=E9=9B=AA=E5=89=91=E8=BE=B0?= <1107047387@qq.com> Date: Thu, 22 Feb 2024 11:39:23 +0000 Subject: [PATCH] =?UTF-8?q?[update]=20=E5=88=A4=E6=96=AD=E7=A9=BA=E4=BC=98?= =?UTF-8?q?=E5=8C=96?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: 夜雪剑辰 <1107047387@qq.com> --- .../java/com/yexuejc/base/util/StrUtil.java | 44 +++++++------------ 1 file changed, 16 insertions(+), 28 deletions(-) diff --git a/src/main/java/com/yexuejc/base/util/StrUtil.java b/src/main/java/com/yexuejc/base/util/StrUtil.java index 359d0e0..81bbf6a 100644 --- a/src/main/java/com/yexuejc/base/util/StrUtil.java +++ b/src/main/java/com/yexuejc/base/util/StrUtil.java @@ -1,8 +1,7 @@ package com.yexuejc.base.util; import java.io.UnsupportedEncodingException; -import java.net.http.HttpClient; -import java.net.http.HttpRequest; +import java.lang.reflect.Array; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.util.ArrayList; @@ -11,9 +10,9 @@ import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; +import java.util.Optional; import java.util.Random; import java.util.UUID; -import java.util.concurrent.ExecutionException; import java.util.function.Consumer; import java.util.regex.Matcher; import java.util.regex.Pattern; @@ -33,36 +32,25 @@ public final class StrUtil { private static char[] HEX_CHAR = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'}; /** - * 判断字符串,数组,集合 是否为空 + * 判断字符串,数组,集合 是否为空(null,"",[],{}) * - * @param obj + * @param obj 対象 + * @return true:空;false:非空 * @return */ public static boolean isEmpty(Object obj) { - if (obj instanceof String) { - if (obj == null || "".equals((String) obj)) { - return true; - } else { - return false; - } - } else if (obj instanceof Object[]) { - if (obj == null || ((Object[]) obj).length == 0) { - return true; - } else { - return false; - } - } else if (obj instanceof Collection) { - if (obj == null || ((Collection) obj).size() == 0) { - return true; - } else { - return false; - } + if (obj == null) { + return true; + } else if (obj instanceof Optional) { + return ((Optional) obj).isEmpty(); + } else if (obj instanceof CharSequence) { + return ((CharSequence) obj).length() == 0; + } else if (obj.getClass().isArray()) { + return Array.getLength(obj) == 0; + } else if (obj instanceof Collection) { + return ((Collection) obj).isEmpty(); } else { - if (obj == null) { - return true; - } else { - return false; - } + return obj instanceof Map && ((Map) obj).isEmpty(); } }