ssm框架整合
标签:增删改查、分页、测试、事务、restful风格
ssm框架结构图
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIyVGduV2YfNWawNiNx8FesU2cfdGLwczX0xiRGZkRGZ0Xy9GbvNGL58VZ6l2cscVcwVzRplVNElGT18VcZVjN5JWN5UHT1oUaMVTQClGVF5UMR9Fd4VGdsATNfd3bkFGazxycykFaKdkYzZUbapXNXlleSdVY2pESa9VZwlHdssmch1mclRXY39CXldWYtlWPzNXZj9mcw1ycz9WL49zZuBnL2IWZ5ImM1kzNwYGZzUmYhRmY0QzNkhTO0kzN2ATYkZ2Lc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)
1.数据库建表
DROP TABLE IF EXISTS `books`;
CREATE TABLE `books` (
`bookID` INT(10) NOT NULL AUTO_INCREMENT COMMENT '书id',
`bookName` VARCHAR(100) NOT NULL COMMENT '书名',
`bookCounts` INT(11) NOT NULL COMMENT '数量',
`detail` VARCHAR(200) NOT NULL COMMENT '描述',
KEY `bookID` (`bookID`)
) ENGINE=INNODB DEFAULT CHARSET=utf8
INSERT INTO `books`(`bookID`,`bookName`,`bookCounts`,`detail`)VALUES
(1,'Java',1,'从入门到放弃'),
(2,'MySQL',10,'从删库到跑路'),
(3,'Linux',5,'从进门到进牢');
2.pom文件中加入依赖
<dependencies>
<!-- SpringMVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
</dependency>
<!-- Spring 持久化层所需依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
</dependency>
<!-- 日志 -->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
</dependency>
<!-- ServletAPI -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency>
<!-- Spring5和Thymeleaf整合包 -->
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf-spring5</artifactId>
</dependency>
<!-- Mybatis核心 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
</dependency>
<!-- MySQL驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<!-- 数据源 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
</dependency>
<!-- junit5 -->
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<scope>test</scope>
</dependency>
<!-- Spring 的测试功能 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency>
<!-- Mybatis 和 Spring 的整合包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
</dependency>
<!-- Mybatis分页插件 -->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
</dependency>
</dependencies>
3.pojo层创建实体类
//创建实体类,实体类属性与表字段对应
public class Books {
private int bookID;
private String bookName;
private int bookCounts;
private String detail;
public Books() {
}
public Books(int bookID, String bookName, int bookCounts, String detail) {
this.bookID = bookID;
this.bookName = bookName;
this.bookCounts = bookCounts;
this.detail = detail;
}
public int getBookID() {
return bookID;
}
public void setBookID(int bookID) {
this.bookID = bookID;
}
public String getBookName() {
return bookName;
}
public void setBookName(String bookName) {
this.bookName = bookName;
}
public int getBookCounts() {
return bookCounts;
}
public void setBookCounts(int bookCounts) {
this.bookCounts = bookCounts;
}
public String getDetail() {
return detail;
}
public void setDetail(String detail) {
this.detail = detail;
}
@Override
public String toString() {
return "Books{" +
"bookID=" + bookID +
", bookName='" + bookName + '\'' +
", bookCounts=" + bookCounts +
", detail='" + detail + '\'' +
'}';
}
}
4.加入jdbc的配置文件
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql:///java0625?useUnicode=true&characterEncoding=utf8&useSSL=false
jdbc.username=root
jdbc.pwd=root
5.加入日志配置文件
<?xml version="1.0" encoding="UTF-8"?>
<configuration debug="true">
<!-- 指定日志输出的位置 -->
<appender name="STDOUT"
class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<!-- 日志输出的格式 -->
<!-- 按照顺序分别是:时间、日志级别、线程名称、打印日志的类、日志主体内容、换行 -->
<pattern>[%d{HH:mm:ss.SSS}] [%-5level] [%thread] [%logger] [%msg]%n</pattern>
</encoder>
</appender>
<!-- 设置全局日志级别。日志级别按顺序分别是:DEBUG、INFO、WARN、ERROR -->
<!-- 指定任何一个日志级别都只打印当前级别和后面级别的日志。 -->
<root level="WARN">
<!-- 指定打印日志的appender,这里通过“STDOUT”引用了前面配置的appender -->
<appender-ref ref="STDOUT" />
</root>
</configuration>
6.加入spring-mybatis配置文件
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
https://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- 扫描service层方法一 -->
<context:component-scan base-package="com.atguigu.service"/>
<!-- 扫描service层方法二 -->
<!--
<context:component-scan base-package="com.atguigu" use-default-filters="false">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Service"/>
</context:component-scan>
-->
<!-- 加载外部属性文件 -->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 配置数据源 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.pwd}"/>
<property name="driverClassName" value="${jdbc.driver}"/>
<property name="url" value="${jdbc.url}"/>
</bean>
<!-- 配置 SqlSessionFactoryBean -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 装配数据源 -->
<property name="dataSource" ref="dataSource"/>
<!-- 在 plugins 属性中配置 Mybatis 分页插件 -->
<property name="plugins">
<array>
<bean class="com.github.pagehelper.PageInterceptor">
<property name="properties">
<props>
<!-- 设置 reasonable 为 true 表示将页码进行合理化修正。页码的有效范围:1~总页数 -->
<prop key="reasonable">true</prop>
<!-- 数据库方言:同样都是 SQL 语句,拿到不同数据库中,在语法上会有差异 -->
<prop key="helperDialect">mysql</prop>
</props>
</property>
</bean>
</array>
</property>
<!-- 指定 Mybatis 全局配置文件位置 -->
<!--<property name="configLocation" value="classpath:/mybatis-config.xml"/> -->
<!-- 使用 typeAliasesPackage 属性配置实体类所在包的别名 -->
<!-- <property name="typeAliasesPackage" value="com.atguigu.pojo"/> -->
<!-- 指定 Mapper 配置文件位置 -->
<!-- <property name="mapperLocations" value="classpath:mapper/*Mapper.xml"/> -->
</bean>
<!-- 扫描dao层方式一:配置 Mapper 接口类型的bean的扫描器 -->
<bean id="mapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.atguigu.dao"/>
</bean>
<!--扫描dao层方式二:使用 mybatis-spring 名称空间扫描dao层(可能会出异常)-->
<!--<mybatis-spring:scan base-package="com.atguigu.dao"/>-->
<!-- 配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- 开启基于注解的声明式事务(也就是在service层上面使用@Transactional) -->
<tx:annotation-driven transaction-manager="transactionManager"/>
</beans>
7.编写dao层接口
//将dao层加入到IOC容器管理
@Repository
public interface BookMapper {
// 使用@Insert等注解代替mapper.xml的映射文件
// 新增一个对象
@Insert("insert into books(bookName,bookCounts,detail) values (#{bookName},#{bookCounts},#{detail})")
int addBook(Books book) ;
// 根据id删除一个对象
@Delete("delete from books where bookID=#{bookID}")
int deleteBookById(int id);
// 修改对象信息
@Update("update books set bookName = #{bookName},bookCounts=#{bookCounts},detail=#{detail} where bookID=#{bookID}")
int updateBook(Books book);
// 根据id查询一个对象
@Select("select * from books where bookID=#{bookID}")
Books queryBookById(int id);
// 查询所有对象
@Select("select * from books")
List<Books> queryAll();
}
8.编写service层接口和实现类
8.1service层接口
public interface BookService {
int addBook(Books book);
int deleteBookById(Integer id);
int updateBook(Books book);
Books queryBookById(Integer id);
PageInfo<Books> getPageInfo(Integer pageNo);
}
8.2service层接口的实现类
@Service //将service层加入到IOC容器中管理
@Transactional //开启事务
public class BookServiceImpl implements BookService {
@Autowired //自动注入bookMapper属性
private BookMapper bookMapper;
@Override
public int addBook(Books book) {
return bookMapper.addBook(book);
}
@Override
public int deleteBookById(Integer id) {
return bookMapper.deleteBookById(id);
}
@Override
public int updateBook(Books book) {
return bookMapper.updateBook(book);
}
@Override
@Transactional(readOnly = true) //表示只读
public Books queryBookById(Integer id) {
return bookMapper.queryBookById(id);
}
@Override
@Transactional(readOnly = true) //表示只读
public PageInfo<Books> getPageInfo(Integer pageNo) {
// 1、确定每页显示数据的条数
int pageSize = 4;
// 2、设定分页数据:开启分页功能。开启后,后面执行的 SELECT 语句会自动被附加 LIMIT 子句,
// 而且会自动查询总记录数
PageHelper.startPage(pageNo, pageSize);
// 3、正常执行查询
List<Books> bookList = bookMapper.queryAll();
// 4、封装为 PageInfo 对象返回
return new PageInfo<>(bookList);
}
}
9.编写测试类测试spring-mybatis整合
//通过注解来加载Spring上下文从而能够获取spring容器中的对象(Junit5用法)
@SpringJUnitConfig(locations = {"classpath:spring-mybatis.xml"})
public class SSMTest {
@Autowired
private DataSource dataSource;
@Autowired
private SqlSessionFactory sqlSessionFactory ;
@Autowired
private BookMapper bookMapper ;
@Autowired
private BookService bookService ;
//测试数据库是否正常连接
@Test
public void test01DataSource() throws SQLException {
System.out.println("dataSource = " + dataSource);
System.out.println("dataSource.getConnection = " + dataSource.getConnection());
}
//测试sqlSessionFactory对象是否创建成功
@Test
public void test02SqlSessionFactory(){
System.out.println("sqlSessionFactory = " + sqlSessionFactory);
}
//测试dao层功能是否正常
@Test
public void test03BookMapper(){
List<Books> books = bookMapper.queryAll();
System.out.println("books = " + books);
}
//测试service层功能是否正常
@Test
public void test04BookService(){
PageInfo<Books> pageInfo = bookService.getPageInfo(1);
System.out.println("pageInfo = " + pageInfo);
}
}
10.加入spring-mvc的配置文件
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
https://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
https://www.springframework.org/schema/context/spring-context.xsd">
<!-- 配置thymeleaf视图前缀、后缀 -->
<bean id="thymeleafViewResolver" class="org.thymeleaf.spring5.view.ThymeleafViewResolver">
<property name="order" value="1"/>
<property name="characterEncoding" value="UTF-8"/>
<property name="templateEngine">
<bean class="org.thymeleaf.spring5.SpringTemplateEngine">
<property name="templateResolver">
<bean class="org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver">
<property name="prefix" value="/WEB-INF/templates/"/>
<property name="suffix" value=".html"/>
<property name="characterEncoding" value="UTF-8"/>
<property name="templateMode" value="HTML5"/>
</bean>
</property>
</bean>
</property>
</bean>
<!-- 扫描控制层方法一 -->
<!-- <context:component-scan base-package="com.atguigu.controller"/>-->
<!-- 扫描控制层方法二 -->
<context:component-scan base-package="com.atguigu" use-default-filters="false">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 开启注解驱动 -->
<mvc:annotation-driven/>
<!-- 静态资源放行 -->
<mvc:default-servlet-handler/>
<!-- 跳转首页,不需要经过控制器方法 -->
<mvc:view-controller path="/" view-name="index"/>
<!-- 跳转添加图书页面,不需要经过控制器方法 -->
<mvc:view-controller path="/add/book/page" view-name="book-add"/>
</beans>
11.编写web.xml文件
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<!-- web应用引入spring的配置文件方法二 -->
<!-- 1.创建监听器读取contextConfigLocation参数的值,这样就能找到spring的配置文件,创建出spring的IOC容器 -->
<!--
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
-->
<!-- 2.配置全局初始化contextConfigLocation参数-->
<!--
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mybatis.xml</param-value>
</context-param>
-->
<!-- 3.在方法一中删除classpath:spring-mybatis.xml路径 -->
<!-- 配置DispatcherServlet前端控制器 -->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<!-- web应用引入spring的配置文件方法一 -->
<param-value>classpath:spring-mvc.xml,classpath:spring-mybatis.xml</param-value>
</init-param>
<!-- 标记容器在web应用启动的时候就加载这个servlet -->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 字符集过滤器 -->
<filter>
<filter-name>characterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceRequestEncoding</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>forceResponseEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- restful风格转换请求方式过滤器 -->
<filter>
<filter-name>HiddenHttpMethodFilter</filter-name>
<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>HiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--Session过期时间-->
<!--
<session-config>
<session-timeout>15</session-timeout>
</session-config>
-->
</web-app>
12.编写静态资源,引入Vue.js
vue.js
13.编写controller层控制器方法
//将控制层加入到IOC容器管理
@Controller
public class BookHandler {
//自动注入bookService属性
@Autowired
private BookService bookService;
//根据id删除一个对象,携带当前页的页码
@DeleteMapping("/remove/book/{bookID}/{pageNo}")
public String removeBook(
@PathVariable("bookID") Integer bookID,
@PathVariable("pageNo") Integer pageNo){
bookService.deleteBookById(bookID);
//重定向到图书列表页面
return "redirect:/get/page/" + pageNo;
}
//新增一个对象
@PostMapping("/save/book")
public String saveBook(Books book){
bookService.addBook(book);
//Integer.MAX_VALUE表示非常大的数据,结合配置PageHelper时指定的reasonable可以直接前往最后一页
return "redirect:/get/page/" + Integer.MAX_VALUE;
}
//根据id获得一个对象,携带当前页的页码
@GetMapping("/edit/book/page/{bookID}/{pageNo}")
public String editBookPage(
@PathVariable("bookID") Integer bookID,
@PathVariable("pageNo") Integer pageNo,
Model model){
Books book = bookService.queryBookById(bookID);
//将获得的对象放入域对象中,用于表单的回显
model.addAttribute("book",book);
//重定向到修改图书页面
return "book-edit";
}
//修改一个用户,提交修改表单
@PutMapping("/update/book")
//表单隐藏域中携带当前页的页码
public String updateBook(@RequestParam("pageNo") Integer pageNo,Books book){
bookService.updateBook(book);
//重定向到图书列表页面
return "redirect:/get/page/" + pageNo;
}
//查询所有图书
@RequestMapping("/get/page/{pageNo}")
public String getPage(@PathVariable("pageNo") Integer pageNo, Model model) {
// PageInfo 对象封装了和分页相关的所有信息
PageInfo<Books> pageInfo = bookService.getPageInfo(pageNo);
// 将 PageInfo 对象存入模型
model.addAttribute("pageInfo", pageInfo);
//跳转图书展示页面
return "book-list-pageable";
}
}
14.编写页面
14.1首页 index.html
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>首页</title>
</head>
<body style="text-align: center">
<a th:href="@{/get/page/1}">显示分页图书列表</a>
</body>
</html>
14.2显示图书列表页面 book-list-pageable.html
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>图书列表页面</title>
<style type="text/css">
table {
border-collapse: collapse;
margin: 0px auto 0px auto;
}
table th,td {
border: 1px solid black;
text-align: center;
}
</style>
<script type="text/javascript" th:src="@{/script/vue.js}"></script>
</head>
<body>
<table id="dataTable">
<tr>
<th>图书ID</th>
<th>图书名称</th>
<th>图书数量</th>
<th>图书详情</th>
<th>删除</th>
<th>更新</th>
</tr>
<tbody th:if="${#lists.isEmpty(pageInfo)}">
<tr>
<td colspan="6">抱歉!没有查询到数据!</td>
</tr>
<tr>
<td colspan="5">
<a th:href="@{/add/book/page}">添加图书</a>
</td>
</tr>
</tbody>
<tbody th:if="${not #lists.isEmpty(pageInfo)}">
<!-- 迭代循环 -->
<tr th:each="book : ${pageInfo.list}">
<td th:text="${book.bookID}">图书ID</td>
<td th:text="${book.bookName}">图书名称</td>
<td th:text="${book.bookCounts}">图书数量</td>
<td th:text="${book.detail}">图书详情</td>
<td><a th:href="@{/remove/book/}+${book.bookID}+'/'+${pageInfo.pageNum}" @click="doConvert">删除</a></td>
<td><a th:href="@{/edit/book/page/}+${book.bookID}+'/'+${pageInfo.pageNum}">更新</a></td>
</tr>
<tr>
<td colspan="6"><a th:href="@{/add/book/page}">添加图书</a></td>
</tr>
</tbody>
</table>
<div align="center">
<span th:if="${pageInfo.hasPreviousPage}">
<a th:href="@{/get/page/1}">首页</a>
<a th:href="@{/get/page/}+${pageInfo.prePage}">上一页</a>
</span>
<span th:each="navigator : ${pageInfo.navigatepageNums}">
<!-- 不是当前页显示为超链接 -->
<a th:if="${navigator != pageInfo.pageNum}"
th:href="@{/get/page/}+${navigator}"
th:text="'['+${navigator}+']'"></a>
<!-- 是当前页不需要显示为超链接 -->
<span th:if="${navigator == pageInfo.pageNum}" th:text="'['+${navigator}+']'"></span>
</span>
<span th:if="${pageInfo.hasNextPage}">
<a th:href="@{/get/page/}+${pageInfo.nextPage}">下一页</a>
<a th:href="@{/get/page/}+${pageInfo.pages}">最后一页</a>
</span>
<span th:text="${pageInfo.pageNum}+'/'+${pageInfo.pages}"></span>
</div>
<!-- 将删除超链接的get请求方式转换为delete方式(隐藏的通用表单) -->
<form id="convertForm" method="post">
<input type="hidden" name="_method" value="delete"/>
</form>
<script>
new Vue({
el:"#dataTable",
methods:{
doConvert:function (event) {
// 1.根据 id 值查询到通用表单的元素对象
var convertFormEle = document.getElementById("convertForm");
// 2.将当前超链接的 href 属性值赋值给通用表单的元素对象的 action 属性
convertFormEle.action = event.target.href;
// 3.提交通用表单
convertFormEle.submit();
// 4.取消超链接控件的默认行为
event.preventDefault();
}
}
});
</script>
</body>
</html>
14.3添加图书页面 book-add.html
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>添加图书页面</title>
</head>
<body>
<form th:action="@{/save/book}" method="post">
图书名称:<input type="text" name="bookName" /><br/>
图书数量:<input type="text" name="bookCounts" /><br/>
图书详情:<input type="text" name="detail" /><br/>
<button type="submit">保存</button>
</form>
</body>
</html>
14.4修改图书页面 book-edit.html
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>修改图书页面</title>
</head>
<body>
<form th:action="@{/update/book}" method="post">
<!-- 附带表单隐藏域:将 POST 请求转换为 PUT 请求 -->
<input type="hidden" name="_method" value="PUT" />
<!-- 附带表单隐藏域:实体类的 id -->
<input type="hidden" name="bookID" th:value="${book.bookID}" />
<!-- 附带表单隐藏域:来源页的页码 -->
<input type="hidden" name="pageNo" th:value="${pageNo}" />
图书名称:<input type="text" name="bookName" th:value="${book.bookName}"/><br/>
图书数量:<input type="text" name="bookCounts" th:value="${book.bookCounts}"/><br/>
图书详情:<input type="text" name="detail" th:value="${book.detail}"/><br/>
<button type="submit">保存</button>
</form>
</body>
</html>