From f30f3ac37bac4d170e1fe6d87fdf57adb3b783d3 Mon Sep 17 00:00:00 2001
From: konbai <1527468660@qq.com>
Date: 星期五, 18 三月 2022 01:37:04 +0800
Subject: [PATCH] fix 修复执行"查询当前数据库类型"后未关闭数据库链接,导致当前连接池中活跃连接数达到最大连接数的bug

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/ServletUtils.java |   16 +++++++---------
 1 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/ServletUtils.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/ServletUtils.java
index 1e1db37..6408c89 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/ServletUtils.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/ServletUtils.java
@@ -3,6 +3,8 @@
 import cn.hutool.core.convert.Convert;
 import cn.hutool.extra.servlet.ServletUtil;
 import cn.hutool.http.HttpStatus;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 import org.springframework.http.MediaType;
 import org.springframework.web.context.request.RequestAttributes;
 import org.springframework.web.context.request.RequestContextHolder;
@@ -19,6 +21,7 @@
  *
  * @author ruoyi
  */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
 public class ServletUtils extends ServletUtil {
 
     /**
@@ -94,9 +97,8 @@
      *
      * @param response 娓叉煋瀵硅薄
      * @param string   寰呮覆鏌撶殑瀛楃涓�
-     * @return null
      */
-    public static String renderString(HttpServletResponse response, String string) {
+    public static void renderString(HttpServletResponse response, String string) {
         try {
             response.setStatus(HttpStatus.HTTP_OK);
             response.setContentType(MediaType.APPLICATION_JSON_VALUE);
@@ -105,7 +107,6 @@
         } catch (IOException e) {
             e.printStackTrace();
         }
-        return null;
     }
 
     /**
@@ -116,12 +117,12 @@
     public static boolean isAjaxRequest(HttpServletRequest request) {
 
         String accept = request.getHeader("accept");
-        if (accept != null && accept.indexOf("application/json") != -1) {
+        if (accept != null && accept.contains("application/json")) {
             return true;
         }
 
         String xRequestedWith = request.getHeader("X-Requested-With");
-        if (xRequestedWith != null && xRequestedWith.indexOf("XMLHttpRequest") != -1) {
+        if (xRequestedWith != null && xRequestedWith.contains("XMLHttpRequest")) {
             return true;
         }
 
@@ -131,10 +132,7 @@
         }
 
         String ajax = request.getParameter("__ajax");
-        if (StringUtils.equalsAnyIgnoreCase(ajax, "json", "xml")) {
-            return true;
-        }
-        return false;
+        return StringUtils.equalsAnyIgnoreCase(ajax, "json", "xml");
     }
 
     public static String getClientIP() {

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