微调

src/main/java/com/shr/filter/VerifyTicketServlet.java

@@ -2,7 +2,6 @@ package com.shr.filter;
 
 import com.eetrust.security.plugin.MessageConstants;
 import com.eetrust.security.plugin.SIDPlugin;
-import com.shr.utils.CommonUtils;
 import com.shr.utils.StringUtil;
 
 import javax.servlet.ServletConfig;
@@ -26,10 +25,10 @@ public class VerifyTicketServlet extends HttpServlet {
     }
 
     @Override
-    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+    public void doPost(HttpServletRequest request, HttpServletResponse response) {
         String ticket = request.getParameter("ticket");
         if (StringUtil.isEmpty(ticket)) {
-            CommonUtils.responseJsonMsg(response, "单点登录缺少登录票据[ticket]信息!");
+            this.responseJsonMsg(response, "单点登录缺少登录票据[ticket]信息!");
             return;
         }
 
@@ -47,16 +46,14 @@ public class VerifyTicketServlet extends HttpServlet {
         if (result == MessageConstants.SECURITY_SERVICE_SUCCESS) {
             // 票据验证成功, 获取用户唯一标识
             String passport = sid.getPassport();
-            CommonUtils.responseJsonMsg(response, "单点登录成功! 用户唯一标识: " + passport);
-            return;
+            this.responseJsonMsg(response, "单点登录成功! 用户唯一标识: " + passport);
         } else {
             // 认证失败, 获取错误编码
             String errorCode = sid.getErrorCode();
 
             // 认证失败, 获取错误信息
             String errorMsg = sid.getErrorMsg();
-            CommonUtils.responseJsonMsg(response, "单点登录失败! 错误编码: " + errorCode + ", 错误信息: " + errorMsg);
-            return;
+            this.responseJsonMsg(response, "单点登录失败! 错误编码: " + errorCode + ", 错误信息: " + errorMsg);
         }
     }
 
@@ -65,5 +62,18 @@ public class VerifyTicketServlet extends HttpServlet {
         doPost(request, response);
     }
 
+    public void responseJsonMsg(HttpServletResponse response, String msg) {
+        try {
+            response.setHeader("Cache-Control", "no-store, max-age=0, no-cache, must-revalidate");
+            response.addHeader("Cache-Control", "post-check=0, pre-check=0");
+            response.setHeader("Pragma", "no-cache");
+            response.setContentType("text/plain;charset=UTF-8");
+            response.getWriter().write(msg);
+            response.flushBuffer();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
 
 }

src/main/java/com/shr/utils/CommonUtils.java

@@ -32,9 +32,6 @@ public class CommonUtils {
 
     /**
      * 返回信息
-     *
-     * @param response
-     * @return
      */
     public static void responseJsonMsg(HttpServletResponse response, String msg) {
         try {