From d3334bbb98a1524e67bd50aee1078a7eec40a55f Mon Sep 17 00:00:00 2001
From: xing <xingjs@qq.com>
Date: 星期日, 26 二月 2023 13:05:55 +0800
Subject: [PATCH] 20230226@xingjs@提交官网一张图相关内容接口(优化完善sql--修改数据存储sql)

---
 src/main/java/com/lf/server/helper/WebHelper.java |   68 ++++++++++++++++++++++++++++++----
 1 files changed, 60 insertions(+), 8 deletions(-)

diff --git a/src/main/java/com/lf/server/helper/WebHelper.java b/src/main/java/com/lf/server/helper/WebHelper.java
index 8fabfc5..57a4a1b 100644
--- a/src/main/java/com/lf/server/helper/WebHelper.java
+++ b/src/main/java/com/lf/server/helper/WebHelper.java
@@ -5,6 +5,8 @@
 import com.lf.server.entity.all.ResponseMsg;
 import com.lf.server.entity.all.SettingData;
 import com.lf.server.entity.all.StaticData;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
 
@@ -19,9 +21,7 @@
 import java.io.PrintWriter;
 import java.net.URLEncoder;
 import java.sql.Timestamp;
-import java.util.Calendar;
-import java.util.Random;
-import java.util.UUID;
+import java.util.*;
 
 /**
  * Web甯姪绫�
@@ -31,6 +31,8 @@
     private final static String UNKNOWN = "unknown";
 
     private final static String COMMA = ",";
+
+    private final static Log log = LogFactory.getLog(WebHelper.class);
 
     /**
      * 鑾峰彇GUID
@@ -303,13 +305,14 @@
      * @throws Exception 寮傚父
      */
     public static void download(String file, String fileName, HttpServletResponse res) throws Exception {
-        if (StringHelper.isNull(fileName)) {
-            fileName = URLEncoder.encode(FileHelper.getFileName(file), "UTF-8");
+        if (StringHelper.isEmpty(fileName)) {
+            fileName = StringHelper.YMDHMS2_FORMAT.format(new Date());
         }
+        fileName = URLEncoder.encode(fileName, "UTF-8").replace("+", "%20");
 
         // 璁剧疆鍝嶅簲澶翠腑鏂囦欢鐨勪笅杞芥柟寮忎负闄勪欢鏂瑰紡锛屼互鍙婅缃枃浠跺悕
-        res.setHeader("Content-Disposition", "attachment; filename=" + fileName);
-        // 璁剧疆鍝嶅簲澶寸殑缂栫爜鏍煎紡涓篣TF-8
+        res.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + fileName);
+        // 璁剧疆鍝嶅簲澶寸殑缂栫爜鏍煎紡涓� UTF-8
         res.setCharacterEncoding("UTF-8");
 
         // 閫氳繃response瀵硅薄璁剧疆鍝嶅簲鏁版嵁鏍煎紡(濡傦細"text/plain; charset=utf-8")
@@ -331,7 +334,56 @@
         }
 
         // 鍏抽棴璧勬簮
-        outputStream.close();
         fileInputStream.close();
+        outputStream.close();
+    }
+
+    /**
+     * 鎵ц鍛戒护
+     *
+     * @param cmd 鍛戒护
+     */
+    public static void exec(String cmd) {
+        try {
+            Runtime.getRuntime().exec(cmd);
+        } catch (Exception ex) {
+            log.error(ex.getMessage(), ex);
+        }
+    }
+
+    /**
+     * 鑾峰彇璇锋眰鐨勫弬鏁板��
+     *
+     * @param req 璇锋眰
+     * @param key 鍙傛暟鍚�
+     * @return 鍙傛暟鍊�
+     */
+    public static String getReqParamVal(HttpServletRequest req, String key) {
+        Map<String, String[]> maps = req.getParameterMap();
+        for (Map.Entry<String, String[]> entry : maps.entrySet()) {
+            if (entry.getKey().equalsIgnoreCase(key)) {
+                return null == entry.getValue() || 0 == entry.getValue().length ? null : entry.getValue()[0];
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * 鑾峰彇璇锋眰鐨勫弬鏁板��
+     *
+     * @param req 璇锋眰
+     * @param key 鍙傛暟鍚�
+     * @return 鍙傛暟鍊�
+     */
+    public static String[] getReqParamVals(HttpServletRequest req, String key) {
+        Map<String, String[]> maps = req.getParameterMap();
+        for (Map.Entry<String, String[]> entry : maps.entrySet()) {
+            if (entry.getKey().equalsIgnoreCase(key)) {
+                return entry.getValue();
+            }
+        }
+
+        return null;
     }
 }

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