历史预算功能：某用户的历史预算列表，根据日期降序，页面展示完成；下一步：在预算列表页面点击查看某个预算

src/main/java/dao/IUserBudgetDao.java

@@ -2,6 +2,10 @@ package dao;
 
 import org.apache.ibatis.annotations.Param;
 
+import java.util.List;
+
 public interface IUserBudgetDao {
     void insertUserBudget(@Param("userid") Integer userid, @Param("budgetid") Long budgetid);
+
+    List<Long> selectBudgetByUserid(@Param("userid") Integer userid);
 }

src/main/java/dao/IUserBudgetDao.xml

@@ -5,4 +5,7 @@
     <insert id="insertUserBudget" useGeneratedKeys="true" keyProperty="id">
         insert into user_budget(userid,budgetid) values (#{userid},#{budgetid})
     </insert>
+    <select id="selectBudgetByUserid" resultType="java.lang.Long">
+        select budgetid from user_budget where userid=#{userid} order by budgetid desc
+    </select>
 </mapper>
\ No newline at end of file

src/main/java/handlers/BudgetHandler.java

 package handlers;
 
 import beans.*;
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
 import dao.*;
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -21,10 +23,8 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
 import java.io.*;
-import java.util.Date;
-import java.util.Enumeration;
-import java.util.List;
-import java.util.Map;
+import java.text.SimpleDateFormat;
+import java.util.*;
 
 @Controller
 @RequestMapping("/Budget")
@@ -124,8 +124,7 @@ public class BudgetHandler {
             System.out.println("ContextPath: " + request.getContextPath());
             System.out.println(session.getServletContext().getRealPath(""));
             //budgetToOutputStream(budget, response.getOutputStream());
-
-
+            response.getWriter().write("success");
         } catch (Exception e) {
             e.printStackTrace();
         }
@@ -185,6 +184,41 @@ public class BudgetHandler {
         return modelAndView;
     }
 
+    @RequestMapping("/HistoryPage")
+    public ModelAndView historyPage(HttpServletRequest request,HttpServletResponse response){
+        ModelAndView modelAndView=new ModelAndView();
+        modelAndView.setViewName("/history.jsp");
+        return modelAndView;
+    }
+
+    @RequestMapping("/HistoryList")
+    public void historyList(HttpServletRequest request,HttpServletResponse response){
+        try {
+            response.setCharacterEncoding("utf-8");
+            response.setContentType("text/html;charset=utf-8");
+            PrintWriter writer = response.getWriter();
+            JSONObject object=new JSONObject();
+            //String sessionID = BudgetHandler.getSessionID(request.getCookies());
+            Cookie useridCookie = CookieUtil.getCookieByName(request.getCookies(), "userid");
+            Integer userid = Integer.valueOf(useridCookie.getValue());
+
+            List<Long> budgetList=userBudgetService.getBudgetByUserid(userid);
+            List<JSONObject> list=new LinkedList<>();
+            SimpleDateFormat format=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            for (Long budget : budgetList) {
+                JSONObject obj=new JSONObject();
+                obj.put("id",budget);
+                Date date=new Date(budget);
+                obj.put("date",format.format(date));
+                list.add(obj);
+            }
+            object.put("data",list);
+            writer.write(JSON.toJSONString(object));
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
 
 
 

src/main/java/service/IUserBudgetService.java

 package service;
 
+import java.util.List;
+
 /**
  * 维护用户与预算文件的关系
  */
 public interface IUserBudgetService {
     void addUserBudget(Integer userid, Long id);
+
+    List<Long> getBudgetByUserid(Integer userid);
 }

src/main/java/service/impl/UserBudgetService.java

@@ -4,6 +4,9 @@ import dao.IUserBudgetDao;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import service.IUserBudgetService;
+
+import java.util.List;
+
 @Service
 public class UserBudgetService implements IUserBudgetService {
     @Autowired
@@ -14,4 +17,10 @@ public class UserBudgetService implements IUserBudgetService {
         userBudgetDao.insertUserBudget(userid,budgetid);
         System.out.println("add User-Budget");
     }
+
+    @Override
+    public List<Long> getBudgetByUserid(Integer userid) {
+        List<Long> budgets=userBudgetDao.selectBudgetByUserid(userid);
+        return budgets;
+    }
 }

src/main/webapp/history.jsp

+<%--
+  Created by IntelliJ IDEA.
+  User: Song
+  Date: 2019/5/12
+  Time: 16:49
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>历史预算</title>
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css"
+          integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
+
+    <!-- 可选的 Bootstrap 主题文件（一般不用引入） -->
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap-theme.min.css"
+          integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
+
+    <!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js"
+            integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa"
+            crossorigin="anonymous"></script>
+
+    <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
+    <script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
+    <script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
+    <%--<script type="text/javascript" src="${pageContext.request.contextPath}/js/modifyDetail.js"></script>--%>
+    <style type="text/css">
+        body {
+            padding-top: 70px;
+        }
+    </style>
+
+    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
+    <script src="https://cdn.staticfile.org/vue-resource/1.5.1/vue-resource.min.js"></script>
+</head>
+<body onload="budgetListVue.getBudgetHistory()">
+
+<nav class="navbar navbar-default navbar-fixed-top" role="navigation">
+    <div class="container-fluid">
+        <div class="navbar-header">
+            <a class="navbar-brand" href="${pageContext.request.contextPath}/">预算辅助管理系统</a>
+        </div>
+        <div>
+            <ul class="nav navbar-nav">
+                <li><a href="${pageContext.request.contextPath}/">创建预算</a></li>
+                <li><a href="${pageContext.request.contextPath}/Budget/Detail">修改预算</a></li>
+                <li><a href="${pageContext.request.contextPath}/Rule/">修改规则</a></li>
+                <li><a href="${pageContext.request.contextPath}/Budget/Download">导出最新预算</a></li>
+                <li class="active"><a href="#">测试</a></li>
+            </ul>
+        </div>
+    </div>
+</nav>
+
+<div id="budgetList">
+    <ul>
+        <li v-for="budget in budgetList"><a href="#">{{budget.id}}, {{budget.date}}</a></li>
+    </ul>
+</div>
+
+
+<script type="text/javascript">
+    var budgetListVue=new Vue({
+        el:"#budgetList",
+        data:{
+            budgetList:[]
+        },
+        methods:{
+            getBudgetHistory:function () {
+                /*alert("getBudgetHistory")*/
+                this.$http.get("${pageContext.request.contextPath}/Budget/HistoryList").then(
+                    function (data) {
+                        this.budgetList = data.body.data;
+                        console.log("show history list");
+                    }, function (error) {
+                        console.log(error)
+                    }
+                )
+            }
+        }
+    })
+</script>
+
+</body>
+</html>

src/main/webapp/index.jsp

@@ -46,6 +46,7 @@
                 <li><a href="${pageContext.request.contextPath}/Budget/Download">导出最新预算</a></li>
                 <li><a href="${pageContext.request.contextPath}/Test">测试</a></li>
                 <li><a href="${pageContext.request.contextPath}/Logout">注销</a></li>
+                <li><a href="${pageContext.request.contextPath}/Budget/HistoryPage">历史预算</a></li>
             </ul>
         </div>
     </div>
@@ -68,7 +69,7 @@
         others = 0; %>
 
 <iframe  hidden id="hidden_frame" name="hidden_frame"></iframe>
-<form class="form-horizontal" method="post" action="${pageContext.request.contextPath}/Budget/Generate" target="hidden_frame">
+<form class="form-horizontal" method="post" action="${pageContext.request.contextPath}/Budget/Generate" target="_blank">
 
     <div class="form-group">
         <label class="control-label col-sm-4">总预算（万元）</label>