From 20b0bba8444fce7377919c7a2a3d33755494918d Mon Sep 17 00:00:00 2001
From: qi_liang <qi_liang_gz@163.com>
Date: Fri, 10 Jan 2020 23:43:57 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E5=AD=97=E7=AC=A6=E4=B8=B2?=
 =?UTF-8?q?=E5=88=A4=E6=96=ADnull?=
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---
 .../java/org/panda/code/uitl/StringUtil.java  | 22 ++++++++++---------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/panda-code/src/main/java/org/panda/code/uitl/StringUtil.java b/panda-code/src/main/java/org/panda/code/uitl/StringUtil.java
index a200741..9e52949 100644
--- a/panda-code/src/main/java/org/panda/code/uitl/StringUtil.java
+++ b/panda-code/src/main/java/org/panda/code/uitl/StringUtil.java
@@ -19,7 +19,8 @@ public class StringUtil {
      * @return
      */
     public static boolean isEqual(String str1,String str2){
-      if (isNull(str1)||isNull(str2)){
+
+      if (isEmpty(str1)||isEmpty(str2)){
           return  false;
       }
         return  str1.equals(str2);
@@ -30,15 +31,9 @@ public class StringUtil {
      * @param str1
      * @return 为空返回true
      */
-    public static boolean isNull(String str1){
+    public static boolean isEmpty(String str1){
 
-        if (str1==null){
-             return true;
-        }
-        if (str1 == ""||"".equals(str1)){
-            return true;
-        }
-        return false;
+        return str1==null||str1.length()==0;
     }
 
     /**
@@ -48,7 +43,7 @@ public class StringUtil {
      */
     public  static boolean isNotNull(String str1){
 
-        return !isNull(str1);
+        return !isEmpty(str1);
     }
 
     /**
@@ -143,5 +138,12 @@ public class StringUtil {
         return  null;
     }
 
+    public static void main(String[] args) {
+
+        String text = "你好[xxxxx]";
+        System.out.println(text.indexOf("["));
+
+    }
+
 
 }