From a4380cdaeaa2bf5c317d29a242e442b70696f23b Mon Sep 17 00:00:00 2001
From: java110 <928255095@qq.com>
Date: 星期日, 30 八月 2020 17:59:42 +0800
Subject: [PATCH] 优化缴费问题

---
 java110-utils/src/main/java/com/java110/utils/util/StringUtil.java |   72 +++++++++++++++++++++++++++++++++++
 1 files changed, 71 insertions(+), 1 deletions(-)

diff --git a/java110-utils/src/main/java/com/java110/utils/util/StringUtil.java b/java110-utils/src/main/java/com/java110/utils/util/StringUtil.java
index fccf6a2..65b3bf4 100644
--- a/java110-utils/src/main/java/com/java110/utils/util/StringUtil.java
+++ b/java110-utils/src/main/java/com/java110/utils/util/StringUtil.java
@@ -7,6 +7,8 @@
 package com.java110.utils.util;
 
 
+import com.alibaba.fastjson.JSONObject;
+
 import java.io.UnsupportedEncodingException;
 import java.util.Date;
 import java.util.regex.Pattern;
@@ -270,6 +272,19 @@
         }
     }
 
+    public static boolean isInteger(String str) {
+        try {
+            double value = Double.parseDouble(str);
+            if (value == Math.ceil(value)) {
+                return true;
+            }
+        } catch (Exception e) {
+            return false;
+        }
+
+        return false;
+    }
+
     /**
      * Description: 鑾峰緱瀛楃(byte)鐨勫疄闄呴暱搴�<br>
      * 1銆佲��<br>
@@ -446,7 +461,22 @@
      * @return
      */
     public static boolean isEmpty(String str) {
-        return str == null || "".equals(str);
+        return str == null || "".equals(str.trim());
+    }
+
+    /**
+     * 鏍¢獙鏄惁涓篔SON
+     *
+     * @param msg
+     * @return
+     */
+    public static Boolean isJsonObject(String msg) {
+        try {
+            JSONObject.parseObject(msg);
+        } catch (Exception e) {
+            return false;
+        }
+        return true;
     }
 
     /**
@@ -480,4 +510,44 @@
 
         return description;
     }
+
+    /**
+     * json鏄惁鍖呭惈key 骞朵笖瀛樺湪鍊�
+     *
+     * @param param
+     * @param key
+     * @return
+     */
+    public static boolean jsonHasKayAndValue(JSONObject param, String key) {
+        if (param == null) {
+            return false;
+        }
+
+        if (!param.containsKey(key)) {
+            return false;
+        }
+
+        if (isEmpty(param.getString(key))) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * json鏄惁鍖呭惈key 骞朵笖瀛樺湪鍊�
+     *
+     * @param param
+     * @param key
+     * @return
+     */
+    public static boolean jsonHasKayAndValue(String param, String key) {
+        JSONObject paramObj = null;
+        try {
+            paramObj = JSONObject.parseObject(param);
+            return jsonHasKayAndValue(paramObj, key);
+        } catch (Exception e) {
+            return false;
+        }
+    }
 }
\ No newline at end of file

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