第二次作业

src/main/java/com/c202201020417/task1/ServletInitializer.java

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+package com.c202201020417.task1;
+
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
+
+public class ServletInitializer extends SpringBootServletInitializer {
+
+    @Override
+    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
+        return application.sources(Task1Application.class);
+    }
+
+}

src/main/java/com/c202201020417/task1/Task1Application.java

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+package com.c202201020417.task1;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Task1Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Task1Application.class, args);
+    }
+
+}

src/main/java/com/c202201020417/task1/Test.java

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+package com.c202201020417.task1;
+
+import com.baomidou.mybatisplus.generator.FastAutoGenerator;
+import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;
+import java.nio.file.Paths;
+
+public class Test {
+    public static void main(String[] args) {
+        FastAutoGenerator.create("jdbc:mysql://106.53.194.250:63306/task202201020417?serverTimezone=UTC ",
+                        "202201020417", "@hnucm1254")
+                .globalConfig(builder -> builder
+                        .author("张三")
+                        .outputDir(Paths.get(System.getProperty("user.dir")) + "/src/main/java")
+                        .commentDate("yyyy-MM-dd")
+                )
+                .packageConfig(builder -> builder
+                        .parent("com.baomidou.mybatisplus")
+                        .entity("entity")
+                        .mapper("mapper")
+                        .service("service")
+                        .serviceImpl("service.impl")
+                        .xml("mapper.xml")
+                )
+                .strategyConfig(builder -> builder
+                        .entityBuilder()
+                        .enableLombok()
+                )
+                .templateEngine(new FreemarkerTemplateEngine())
+                .execute();
+    }
+}
+

src/main/java/com/c202201020417/task1/controller/BooksController.java

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+package com.c202201020417.task1.controller;
+
+import com.c202201020417.task1.model.Books;
+import com.c202201020417.task1.model.Reviews;
+import com.c202201020417.task1.service.BooksService;
+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
+public class BooksController {
+    @Autowired
+    private BooksService booksService;
+    @RequestMapping("/bookpage")
+    public String bookpage(Model model){
+        model.addAttribute("booksList",booksService.getAllBook());
+        return "bookpage.html";
+    }
+    @RequestMapping("/addbook")
+    public String addbook(Books books){
+        return "addbookpage.html";
+    }
+    @RequestMapping("/addbookcommit")
+    public String addbookcommit(Books books){
+        booksService.addBook(books);
+        return "redirect:/bookpage";
+    }
+    @RequestMapping("/deletebook")
+    public String deletebook(int id){
+        booksService.deleteBook(id);
+        return "redirect:/bookpage";
+    }
+    @RequestMapping("/updatebook")
+    public String updatebook(Books books,Model model){
+        model.addAttribute("books",books);
+        return "updatebook.html";
+    }
+    @RequestMapping("/updatebookcommit")
+    public String updatebookcommit(Books books){
+        booksService.updateBook(books);
+        return "redirect:/bookpage";
+    }
+}
+

src/main/java/com/c202201020417/task1/controller/BorrowController.java

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+package com.c202201020417.task1.controller;
+
+import com.c202201020417.task1.model.Books;
+import com.c202201020417.task1.model.Borrow;
+import com.c202201020417.task1.service.BooksService;
+import com.c202201020417.task1.service.BorrowService;
+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
+public class BorrowController {
+    @Autowired
+    private BorrowService borrowService;
+    @RequestMapping("/addborrow")
+    public String addborrow(Borrow borrow)
+    {
+        return "addborrow.html";
+    }
+    @RequestMapping("/addborrowcommit")
+    public String addborrowcommit(Borrow borrow)
+    {
+        borrowService.addBorrow(borrow);
+        return "redirect:/bookpage";
+    }
+    @RequestMapping("/updateborrow")
+    public String updateborrow(Borrow borrow,Model model)
+    {
+        model.addAttribute("borrow",borrow);
+        return "updateborrow.html";
+    }
+    @RequestMapping("/updateborrowcommit")
+    public String updateborrowcommit(Borrow borrow)
+    {
+        borrowService.updateBorrow(borrow);
+        return "redirect:/bookpage";
+    }
+    @RequestMapping("/deleteborrow")
+    public String deleteborrow(Integer id)
+    {
+        return "deleteborrow.html";
+    }
+    @RequestMapping("/deleteborrowcommit")
+    public String deleteborrowcommit(Integer id)
+    {
+        borrowService.deleteBorrow(id);
+        return "redirect:/bookpage";
+    }
+
+}
+

src/main/java/com/c202201020417/task1/controller/LoginController.java

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+package com.c202201020417.task1.controller;
+
+import com.c202201020417.task1.model.User;
+import com.c202201020417.task1.service.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+public class LoginController {
+    @Autowired
+    private UserService userService;
+    @RequestMapping("/login")
+    public String login() {
+        return "login.html";
+    }
+
+    @RequestMapping("/logincommit")
+    public String logincommit(String username, String password) {
+        User user = userService.findUserByName(username);
+        if (username.equals(user.getUsername()) && password.equals(user.getPassword())) {
+            return "redirect:/bookpage";
+        }
+        return "fail.html";
+    }
+    @RequestMapping("/adduser")
+    public String adduser(User user){
+        return "adduserpage.html";
+    }
+    @RequestMapping("/addusercommit")
+    public String addusercommit(User user){
+        userService.addUser(user);
+        return "redirect:/login";
+    }
+}

src/main/java/com/c202201020417/task1/controller/ReviewsController.java

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+package com.c202201020417.task1.controller;
+
+import com.c202201020417.task1.dao.ReviewsMapper;
+import com.c202201020417.task1.model.Books;
+import com.c202201020417.task1.model.Reviews;
+import com.c202201020417.task1.service.BooksService;
+import com.c202201020417.task1.service.ReviewsService;
+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
+public class ReviewsController {
+    @Autowired
+    private ReviewsService reviewsService;
+    @RequestMapping("/addreview")
+    public String addreviews(Reviews reviews){
+        return "addreview.html";
+    }
+    @RequestMapping("/addreviewcommit")
+    public String addreviewcommit(Reviews reviews){
+        reviewsService.addReviews(reviews);
+        return "redirect:/bookpage";
+    }
+}
+

src/main/java/com/c202201020417/task1/dao/BooksMapper.java

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+package com.c202201020417.task1.dao;
+
+import com.c202201020417.task1.model.Books;
+
+import com.c202201020417.task1.model.Reviews;
+import org.apache.ibatis.annotations.Mapper;
+import java.util.List;
+
+@Mapper
+public interface BooksMapper {
+    public List<Books> getAllBook();
+    //int 表示增加的条数
+    public int addBook(Books book);
+    public int deleteBook(int id);
+    public int updateBook(Books book);
+}

src/main/java/com/c202201020417/task1/dao/BorrowMapper.java

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+package com.c202201020417.task1.dao;
+
+import com.c202201020417.task1.model.Books;
+import com.c202201020417.task1.model.Borrow;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+@Mapper
+public interface BorrowMapper {
+    public int addBorrow(Borrow borrow);
+    public int updateBorrow(Borrow borrow);
+    public int deleteBorrow(int id);
+}

src/main/java/com/c202201020417/task1/dao/ReviewsMapper.java

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+package com.c202201020417.task1.dao;
+
+import com.c202201020417.task1.model.Books;
+import com.c202201020417.task1.model.Reviews;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+@Mapper
+public interface ReviewsMapper {
+    public List<Reviews> findReviewsByBooksId(int booksid);
+    public int addReviews(Reviews reviews);
+}

src/main/java/com/c202201020417/task1/dao/UserMapper.java

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+package com.c202201020417.task1.dao;
+
+import com.c202201020417.task1.model.Books;
+import com.c202201020417.task1.model.User;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+@Mapper
+public interface UserMapper {
+    public int addUser(User user);
+    public User findUserByName(String username);
+    public List<User> findUsersByBooksId( int booksid);
+}

src/main/java/com/c202201020417/task1/model/Books.java

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+package com.c202201020417.task1.model;
+
+import lombok.Data;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.util.Date;
+import java.util.List;
+
+@Data
+public class Books {
+    private int id;
+    private String title;
+    private String author;
+    private String publisher;
+    private String isbn;
+    @DateTimeFormat(pattern = "yyyy-MM-dd")
+    private Date published_date;
+    private List<Reviews> reviewsList;
+    private List<User> usersList;
+}

src/main/java/com/c202201020417/task1/model/Borrow.java

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+package com.c202201020417.task1.model;
+
+import lombok.Data;
+
+@Data
+public class Borrow {
+    private int id;
+    private int usersid;
+    private int booksid;
+}

src/main/java/com/c202201020417/task1/model/Reviews.java

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+package com.c202201020417.task1.model;
+
+import lombok.Data;
+
+@Data
+public class Reviews {
+    private int id;
+    private String content;
+    private int booksid;
+}

src/main/java/com/c202201020417/task1/model/User.java

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+package com.c202201020417.task1.model;
+
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+public class User {
+    private int id;
+    private String username;
+    private String password;
+}

src/main/java/com/c202201020417/task1/service/BooksService.java

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+package com.c202201020417.task1.service;
+
+import com.c202201020417.task1.model.Books;
+
+import java.util.List;
+
+public interface BooksService {
+    public List<Books> getAllBook();
+    //int 表示增加的条数
+    public int addBook(Books book);
+    public int deleteBook(int id);
+    public int updateBook(Books book);
+}

src/main/java/com/c202201020417/task1/service/BorrowService.java

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+package com.c202201020417.task1.service;
+
+import com.c202201020417.task1.model.Books;
+import com.c202201020417.task1.model.Borrow;
+
+public interface BorrowService {
+    public int addBorrow(Borrow borrow);
+    public int updateBorrow(Borrow borrow);
+    public int deleteBorrow(int id);
+}

src/main/java/com/c202201020417/task1/service/ReviewsService.java

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+package com.c202201020417.task1.service;
+
+import com.c202201020417.task1.model.Reviews;
+
+import java.util.List;
+
+public interface ReviewsService {
+    public List<Reviews> findReviewsByBooksId(int booksid);
+    public int addReviews(Reviews reviews);
+}

src/main/java/com/c202201020417/task1/service/UserService.java

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+package com.c202201020417.task1.service;
+
+import com.c202201020417.task1.model.User;
+
+public interface UserService {
+    public User findUserByName(String username);
+    public int addUser(User user);
+}

src/main/java/com/c202201020417/task1/service/impl/BooksServiceImpl.java

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+package com.c202201020417.task1.service.impl;
+
+import com.c202201020417.task1.dao.BooksMapper;
+import com.c202201020417.task1.model.Books;
+import com.c202201020417.task1.model.Reviews;
+import com.c202201020417.task1.service.BooksService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class BooksServiceImpl implements BooksService {
+    @Autowired
+    private BooksMapper booksMapper;
+    @Override
+    public List<Books> getAllBook() {
+        return booksMapper.getAllBook();
+    }
+
+    @Override
+    public int addBook(Books book) {
+        return booksMapper.addBook(book);
+    }
+
+    @Override
+    public int deleteBook(int id) {
+        return booksMapper.deleteBook(id);
+    }
+
+    @Override
+    public int updateBook(Books book) {
+        return booksMapper.updateBook(book);
+    }
+
+
+
+}
+

src/main/java/com/c202201020417/task1/service/impl/BorrowServiceImpl.java

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+package com.c202201020417.task1.service.impl;
+
+import com.c202201020417.task1.dao.BooksMapper;
+import com.c202201020417.task1.dao.BorrowMapper;
+import com.c202201020417.task1.model.Books;
+import com.c202201020417.task1.model.Borrow;
+import com.c202201020417.task1.service.BorrowService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class BorrowServiceImpl implements BorrowService {
+    @Autowired
+    private BorrowMapper borrowMapper;
+
+    @Override
+    public int addBorrow(Borrow borrow) {
+        return borrowMapper.addBorrow(borrow);
+    }
+   @Override
+    public int updateBorrow(Borrow borrow) {
+        return borrowMapper.updateBorrow(borrow);
+    }
+
+    @Override
+    public int deleteBorrow(int id) {
+        return borrowMapper.deleteBorrow(id);
+    }
+}

src/main/java/com/c202201020417/task1/service/impl/ReviewsServiceImpl.java

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+package com.c202201020417.task1.service.impl;
+
+import com.c202201020417.task1.dao.ReviewsMapper;
+import com.c202201020417.task1.model.Reviews;
+import com.c202201020417.task1.service.ReviewsService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+@Service
+public class ReviewsServiceImpl implements ReviewsService {
+    @Autowired
+    private ReviewsMapper reviewsMapper;
+
+    @Override
+    public List<Reviews> findReviewsByBooksId(int booksid) {
+        return List.of();
+    }
+
+    @Override
+    public int addReviews(Reviews reviews)
+    {
+        return reviewsMapper.addReviews(reviews);
+    }
+
+}

src/main/java/com/c202201020417/task1/service/impl/UserServiceImpl.java

@@ -0,0 +1,22 @@
+package com.c202201020417.task1.service.impl;
+
+import com.c202201020417.task1.dao.UserMapper;
+import com.c202201020417.task1.model.User;
+import com.c202201020417.task1.service.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class UserServiceImpl  implements UserService {
+    @Autowired
+    private UserMapper userMapper;
+    @Override
+    public User findUserByName(String username) {
+        return userMapper.findUserByName(username);
+    }
+
+    @Override
+    public int addUser(User user) {
+        return userMapper.addUser(user);
+    }
+}

src/main/resources/application.properties

@@ -0,0 +1,18 @@
+spring.application.name=task1
+
+# ??????
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+# ?????
+spring.datasource.name=defaultDataSource
+# ???????
+spring.datasource.url=jdbc:mysql://106.53.194.250:63306/task202201020417?serverTimezone=UTC 
+# ??????&???
+spring.datasource.username=202201020417
+spring.datasource.password=@hnucm1254
+#??????????MyBatis??
+#??Mybatis?Mapper??
+mybatis-plus.mapper-locations=classpath:mapper/*.xml
+#??Mybatis?????
+mybatis-plus.type-aliases-package=com.c202201020417.task1.model
+
+logging.level.com.c202201020417.task1 = debug

src/main/resources/mapper/BooksMapper.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.c202201020417.task1.dao.BooksMapper">
+    <select id="getAllBook" resultMap="BooksMap">
+        select * from books202201020417
+    </select>
+    <insert id="addBook" parameterType="com.c202201020417.task1.model.Books">
+        insert into books202201020417(title,author,isbn,publisher,published_date) values(#{title},#{author},#{isbn},#{publisher},#{published_date})
+    </insert>
+    <delete id="deleteBook" parameterType="Integer">
+        delete from books202201020417 where id=#{id}
+    </delete>
+    <update id="updateBook" parameterType="com.c202201020417.task1.model.Books">
+        update books202201020417 set title=#{title},author=#{author},isbn=#{isbn},publisher=#{publisher},published_date=#{published_date} where id=#{id}
+    </update>
+
+    <resultMap id="BooksMap" type="com.c202201020417.task1.model.Books">
+        <id column="id" property="id"/>
+        <result column="title" property="title"/>
+        <result column="author" property="author"/>
+        <result column="publisher" property="publisher"/>
+        <result column="isbn" property="isbn"/>
+        <result column="published_date" property="published_date"/>
+        <collection property="reviewsList"
+                    column="id"
+                    select="com.c202201020417.task1.dao.ReviewsMapper.findReviewsByBooksId"
+                    ofType="com.c202201020417.task1.model.Reviews">
+        </collection>
+        <collection property="usersList"
+                    column="id"
+                    select="com.c202201020417.task1.dao.UserMapper.findUsersByBooksId"
+                    ofType="com.c202201020417.task1.model.User">
+        </collection>
+    </resultMap>
+</mapper>

src/main/resources/mapper/BorrowMapper.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.c202201020417.task1.dao.BorrowMapper">
+
+    <insert id="addBorrow" parameterType="com.c202201020417.task1.model.Borrow">
+        insert into borrow_records202201020417(usersid,booksid) values(#{usersid},#{booksid})
+    </insert>
+    <update id="updateBorrow" parameterType="com.c202201020417.task1.model.Borrow">
+        update borrow_records202201020417 set usersid=#{usersid} ,booksid=#{booksid} where id=#{id}
+    </update>
+    <delete id="deleteBorrow" parameterType="Integer">
+        delete from borrow_records202201020417 where id=#{id}
+    </delete>
+</mapper>

src/main/resources/mapper/ReviewsMapper.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.c202201020417.task1.dao.ReviewsMapper">
+    <select id="findReviewsByBooksId" resultType="com.c202201020417.task1.model.Reviews">
+        select * from reviews202201020417 where booksid=#{booksid}
+    </select>
+    <insert id="addReviews" parameterType="com.c202201020417.task1.model.Reviews">
+        insert into reviews202201020417(content,booksid) values(#{content},#{booksid})
+    </insert>
+</mapper>

src/main/resources/mapper/UserMapper.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.c202201020417.task1.dao.UserMapper">
+    <insert id="addUser" parameterType="com.c202201020417.task1.model.User">
+        insert into users202201020417(username,password) values(#{username},#{password})
+    </insert>
+    <select id="findUserByName" resultType="com.c202201020417.task1.model.User">
+        SELECT * FROM users202201020417 WHERE username = #{username}
+    </select>
+    <select id="findUsersByBooksId" resultType="com.c202201020417.task1.model.User">
+        select * from users202201020417 where id in (select usersid
+                                                     from borrow_records202201020417
+                                                     where booksid = #{booksid})
+    </select>
+</mapper>

src/main/resources/templates/addbookpage.html

@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<form th:action="@{/addbookcommit}" method="post">
+    <input type="text" name="title" placeholder="标题"><br>
+    <input type="text" name="author" placeholder="作者"><br>
+    <input type="text" name="isbn" placeholder="isbn"><br>
+    <input type="text" name="publisher" placeholder="出版商"><br>
+    <input type="date" name="published_date" placeholder="出版日期"><br>
+    <input type="submit" value="提交"></input>
+</form>
+</body>
+</html>

src/main/resources/templates/addborrow.html

@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<form th:action="@{/addborrowcommit}" method="post">
+    <input type="text" name="usersid" placeholder="用户id">
+    <input type="text" name="booksid" placeholder="书籍id"></input>
+    <input type="submit" value="提交"></input>
+</form>
+</body>
+</html>

src/main/resources/templates/addreview.html

@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<form th:action="@{/addreviewcommit}" method="post">
+    <input type="text" name="content" placeholder="评论内容">
+    <input type="text" name="booksid" th:value="${id}" placeholder="书籍id"> </input>
+    <input type="submit" value="提交"></input>
+</form>
+</body>
+</html>

src/main/resources/templates/adduserpage.html

@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<form th:action="@{/addusercommit}" method="post">
+    <input type="text" name="username" placeholder="用户名"><br>
+    <input type="password" name="password" placeholder="密码"><br>
+    <input type="submit" value="提交"></input>
+</form>
+</body>
+</html>

src/main/resources/templates/bookpage.html

@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<h1>书籍列表</h1>
+<a href="/addbook">增加书籍</a>
+<a href="/addreview">增加评论</a>
+<a href="/addborrow">增加借阅</a>
+<a href="/updateborrow">修改借阅</a>
+<a href="/deleteborrow">删除借阅</a>
+<table border="1">
+    <tr>
+        <td>id</td>
+        <td>名称</td>
+        <td>作者</td>
+        <td>编号</td>
+        <td>出版社</td>
+        <td>出版日期</td>
+        <td>删除</td>
+        <td>修改</td>
+        <td>评论列表</td>
+        <td>借阅列表</td>
+    </tr>
+
+    <tr th:each="books:${booksList}">
+        <td th:text="${books.id}">id</td>
+        <td th:text="${books.title}">title</td>
+        <td th:text="${books.author}">author</td>
+        <td th:text="${books.isbn}">isbn</td>
+        <td th:text="${books.publisher}">pulisher</td>
+        <td th:text="${books.published_date}">published_date</td>
+        <td><a th:href="@{/deletebook(id=${books.id})}" >删除</a></td>
+        <td><a th:href="@{/updatebook(id=${books.id},title=${books.title},author=${books.author},isbn=${books.isbn},publisher=${books.publisher})}" >修改</a></td>
+        <td>
+            <ul>
+                <li th:each="reviews202201020417:${books.reviewsList}">
+                    <span th:text="${reviews202201020417.content}"></span>
+                    <span th:text="${reviews202201020417.booksid}"></span>
+                </li>
+            </ul>
+        </td>
+        <td>
+            <ul>
+                <li th:each="users202201020417:${books.usersList}">
+                    <span th:text="${users202201020417.username}"></span>
+
+                </li>
+            </ul>
+        </td>
+    </tr>
+</table>
+</body>
+</html>

src/main/resources/templates/deleteborrow.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<form th:action="@{/deleteborrowcommit}" method="post">
+    <input type="text" name="id" th:value="${id}"  placeholder="借阅记录id"></input>
+    <input type="submit" value="提交"></input>
+</form>
+</body>
+</html>

src/main/resources/templates/fail.html

@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<h1>登陆失败</h1>
+</body>
+</html>

src/main/resources/templates/login.html

@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<h1>登录页面</h1>
+<form th:action="@{/logincommit}" method="post">
+    <input type="text" name="username" placeholder="用户名"/><br/>
+    <input type="password" name="password" placeholder="密码"/><br/>
+    <input type="submit" value="登录"/></input><br>
+    <a href="/adduser">注册用户</a>
+</form>
+</body>
+</html>

src/main/resources/templates/updatebook.html

@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<h1>更新页面</h1>
+<form th:action="@{/updatebookcommit}" method="post">
+    <input type="text" name="id" hidden th:value="${books.id}" placeholder="id">
+    <input type="text" name="title" th:value="${books.title}" placeholder="书名"/><br/>
+    <input type="text" name="author" th:value="${books.author}" placeholder="作者"/><br/>
+    <input type="text" name="isbn" th:value="${books.isbn}" placeholder="isbn"/><br/>
+    <input type="text" name="publisher" th:value="${books.publisher}" placeholder="出版商"/><br/>
+    <input type="text" name="published_date" th:value="${books.published_date}" placeholder="出版日期"/><br/>
+    <input type="submit" value="更新书籍信息"></input>
+</form>
+</body>
+</html>

src/main/resources/templates/updateborrow.html

@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<form th:action="@{/updateborrowcommit}" method="post">
+    <input type="text" name="id" th:value="${id}"  placeholder="id"></input>
+   <input type="text" name="usersid" th:value="${usersid}" placeholder="用户id">
+    <input type="text" name="booksid" th:value="${booksid}" placeholder="书籍id"></input>
+    <input type="submit" value="提交"></input>
+</form>
+</body>
+</html>

src/test/java/com/c202201020417/task1/Task1ApplicationTests.java

@@ -0,0 +1,13 @@
+package com.c202201020417.task1;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class Task1ApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}