第三次作业第一次提交

src/main/java/com/lilingui/task1/controller/BookConctroller.java

@@ -2,6 +2,7 @@ package com.lilingui.task1.controller;
 
 import com.lilingui.task1.model.Book;
 import com.lilingui.task1.service.BookService;
+import jakarta.servlet.http.HttpSession;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
@@ -11,14 +12,21 @@ import org.springframework.web.bind.annotation.RequestMapping;
 public class BookConctroller {
 
     @Autowired
-    BookService bookService;
+    private BookService bookService;
 
     @RequestMapping("/books")
-    public String getBookPage(Model model) {
+    public String getBookPage(Model model, HttpSession session) {
+        model.addAttribute("userid", session.getAttribute("userid"));
+        model.addAttribute("username", session.getAttribute("username"));
         model.addAttribute("bookList", bookService.getAllBooks());
         return "books.html";
     }
 
+    @RequestMapping("/logout")
+    public String login() {
+        return "redirect:/login";
+    }
+
     @RequestMapping("/addbook")
     public String addBook() {
         return "addbook.html";

src/main/java/com/lilingui/task1/controller/UserConctroller.java

@@ -2,9 +2,9 @@ package com.lilingui.task1.controller;
 
 import com.lilingui.task1.model.User;
 import com.lilingui.task1.service.UserService;
+import jakarta.servlet.http.HttpSession;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
-import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.RequestMapping;
 
 @Controller
@@ -23,16 +23,14 @@ public class UserConctroller {
     }
 
     @RequestMapping("/logincommit")
-    public String loginCommit(User user) {
-        if(userService.login(user) != null)
+    public String loginCommit(User user, HttpSession session) {
+        if(userService.login(user) != null) {
+            user = userService.login(user);
+            session.setAttribute("userid", user.getId());
+            session.setAttribute("username", user.getUsername());
             return "redirect:/books";
+        }
         else
             return "redirect:/login";
     }
-
-    @RequestMapping("/registercommit")
-    public String registerCommit(User user) {
-        userService.register(user);
-        return "redirect:/login";
-    }
 }

src/main/java/com/lilingui/task1/model/Book.java

@@ -3,6 +3,7 @@ package com.lilingui.task1.model;
 import lombok.Data;
 
 import java.sql.Date;
+import java.util.List;
 
 @Data
 public class Book {
@@ -12,4 +13,6 @@ public class Book {
     private String isbn;
     private String publisher;
     private Date published_date;
+    private List<Review> reviewsList;
+    private List<BorrowRecord> borrowRecordsList;
 }

src/main/resources/mapper/BookMapper.xml

@@ -2,9 +2,29 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 
 <mapper namespace="com.lilingui.task1.dao.BookMapper">
-    <select id="getAllBooks" resultType="com.lilingui.task1.model.Book">
+    <select id="getAllBooks" resultMap="bookMap">
             select * from books
     </select>
+
+    <resultMap id="bookMap" type="com.lilingui.task1.model.Book">
+        <id column="id" property="id"/>
+        <result column="title" property="title"/>
+        <result column="author" property="author"/>
+        <result column="isbn" property="isbn"/>
+        <result column="publisher" property="publisher"/>
+        <result column="published_date" property="published_date"/>
+        <collection property="reviewsList"
+                    ofType="com.lilingui.task1.model.Review"
+                    column="id"
+                    select="com.lilingui.task1.dao.ReviewMapper.getReviewsByBookId">
+        </collection>
+        <collection property="borrowRecordsList"
+                    ofType="com.lilingui.task1.model.BorrowRecord"
+                    column="id"
+                    select="com.lilingui.task1.dao.BorrowRecordMapper.getBorrowRecordsByBookId">
+        </collection>
+    </resultMap>
+
     <insert id="addBook" parameterType="com.lilingui.task1.model.Book">
             insert into books(title,author,isbn,publisher,published_date) values(#{title},#{author},#{isbn},#{publisher},#{published_date})
     </insert>

src/main/resources/mapper/UserMapper.xml

@@ -5,6 +5,9 @@
     <select id="login" parameterType="com.lilingui.task1.model.User" resultType="com.lilingui.task1.model.User">
         SELECT * FROM users WHERE username = #{username} AND password = #{password}
     </select>
+    <select id="getUsernameById" resultType="String">
+        SELECT username FROM users WHERE id = #{id}
+    </select>
     <insert id="register" parameterType="com.lilingui.task1.model.User">
         INSERT INTO users(username,password) VALUES(#{username},#{password})
     </insert>

src/main/resources/templates/books.html

@@ -6,7 +6,8 @@
 </head>
 <body>
 <h1>书籍目录</h1>
-<a href="/addbook">添加书籍</a>
+<h3 th:text="'欢迎您，'+${username}"></h3>
+<a href="/logout">注销</a>
 <table border="1">
     <tr>
         <td>id</td>
@@ -17,6 +18,8 @@
         <td>出版日期</td>
         <td>更新</td>
         <td>删除</td>
+        <td>评论</td>
+        <td>增加评论</td>
     </tr>
     <tr th:each="book:${bookList}">
         <td th:text="${book.id}"></td>
@@ -31,7 +34,19 @@
         <td>
             <a th:href="@{/deletebook(id=${book.id})}">删除</a>
         </td>
+        <td th:if="${book.reviewsList}!=null">
+            <ul>
+                <li th:each="review:${book.reviewsList}">
+                    <span th:text="${review.commentator}+'：'+${review.comment}"></span>
+                </li>
+            </ul>
+        </td>
+        <td>
+            <a th:href="@{/addreview(userid=${userid}, bookid=${book.id}, title=${book.title})}">增加评论</a>
+        </td>
     </tr>
 </table>
+<a href="/addbook">添加书籍</a>
+<a th:href="@{/borrowrecords(userid=${userid})}">借阅书籍</a>
 </body>
 </html>

src/main/resources/templates/updatebook.html

@@ -7,7 +7,7 @@
 <body>
 <h1>更新书籍</h1>
 <a th:href="@{/books}">返回</a>
-<div th:text="${book.id}"></div>
+<h3 th:text="${book.id}"></h3>
 <form th:action="@{/updatebookcommit}" method="post">
   <input type="text" name="id" hidden th:value="${book.id}" placeholder="请输入id"/>
   <input type="text" name="title" th:value="${book.title}" placeholder="请输入书名"/><br>