From 2419815bc13a297e27597e8135a117a7cf72d7d7 Mon Sep 17 00:00:00 2001
From: Ricky <hk_ricky@163.com>
Date: Wed, 21 Apr 2021 09:59:06 +0800
Subject: [PATCH] 优化ExcelUtil空值处理

---
 ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java |   88 ++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 84 insertions(+), 4 deletions(-)

diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java
index 7de6fcb..6809f29 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java
@@ -1,12 +1,19 @@
 package com.ruoyi.common.core.utils;
 
 import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+import java.util.Enumeration;
+import java.util.LinkedHashMap;
+import java.util.Map;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
 import org.springframework.web.context.request.RequestAttributes;
 import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
+import com.ruoyi.common.core.constant.Constants;
 import com.ruoyi.common.core.text.Convert;
 
 /**
@@ -53,7 +60,14 @@
      */
     public static HttpServletRequest getRequest()
     {
-        return getRequestAttributes().getRequest();
+        try
+        {
+            return getRequestAttributes().getRequest();
+        }
+        catch (Exception e)
+        {
+            return null;
+        }
     }
 
     /**
@@ -61,7 +75,14 @@
      */
     public static HttpServletResponse getResponse()
     {
-        return getRequestAttributes().getResponse();
+        try
+        {
+            return getRequestAttributes().getResponse();
+        }
+        catch (Exception e)
+        {
+            return null;
+        }
     }
 
     /**
@@ -74,8 +95,31 @@
 
     public static ServletRequestAttributes getRequestAttributes()
     {
-        RequestAttributes attributes = RequestContextHolder.getRequestAttributes();
-        return (ServletRequestAttributes) attributes;
+        try
+        {
+            RequestAttributes attributes = RequestContextHolder.getRequestAttributes();
+            return (ServletRequestAttributes) attributes;
+        }
+        catch (Exception e)
+        {
+            return null;
+        }
+    }
+
+    public static Map<String, String> getHeaders(HttpServletRequest request)
+    {
+        Map<String, String> map = new LinkedHashMap<>();
+        Enumeration<String> enumeration = request.getHeaderNames();
+        if (enumeration != null)
+        {
+            while (enumeration.hasMoreElements())
+            {
+                String key = enumeration.nextElement();
+                String value = request.getHeader(key);
+                map.put(key, value);
+            }
+        }
+        return map;
     }
 
     /**
@@ -133,4 +177,40 @@
         }
         return false;
     }
+
+    /**
+     * 内容编码
+     * 
+     * @param str 内容
+     * @return 编码后的内容
+     */
+    public static String urlEncode(String str)
+    {
+        try
+        {
+            return URLEncoder.encode(str, Constants.UTF8);
+        }
+        catch (UnsupportedEncodingException e)
+        {
+            return "";
+        }
+    }
+
+    /**
+     * 内容解码
+     * 
+     * @param str 内容
+     * @return 解码后的内容
+     */
+    public static String urlDecode(String str)
+    {
+        try
+        {
+            return URLDecoder.decode(str, Constants.UTF8);
+        }
+        catch (UnsupportedEncodingException e)
+        {
+            return "";
+        }
+    }
 }

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