实现表单异步提交并显示消息

src/main/java/com/fjy/spring/controller/FeedBackController.java

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+package com.fjy.spring.controller;
+
+import com.fjy.spring.domain.TbFeedBack;
+import com.fjy.spring.domain.TbUser;
+import com.fjy.spring.properties.ServerProperties;
+import com.fjy.spring.service.FeedBackService;
+import com.fjy.spring.untils.RedirectUtil;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+import javax.servlet.http.HttpServletRequest;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import static com.fjy.spring.constant.GlobalConstant.USER_SESSION_KEY;
+
+@RestController
+public class FeedBackController {
+
+    @Autowired
+    private FeedBackService feedBackService;
+
+    @Autowired
+    private ServerProperties serverProperties;
+
+    @Resource
+    HttpServletRequest request;
+
+    @PostMapping("/home/dofeedback")
+    public void doFeedBack(@RequestParam(value = "content") String content){
+        Date date = new Date();
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        String dateNowStr = sdf.format(date);
+        TbFeedBack feedBack = new TbFeedBack();
+        feedBack.setContent(content);
+        feedBack.setTime(dateNowStr);
+        TbUser user = (TbUser)request.getSession().getAttribute(USER_SESSION_KEY);
+        feedBack.setUserid(user.getColuserid());
+        RedirectUtil red = new RedirectUtil();
+        if (feedBackService.addContent(feedBack)){
+            System.out.println("写入数据库成功");
+        }
+
+    }
+}