SSM整合
作者：互联网
SSM整合-mybatis
新建maven 项目
导入依赖、解决静态资源导出问题
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.lee</groupId>
<artifactId>ssmbuild</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
</properties>
<!--导入依赖-->
<!--数据库驱动 连接池 servlet jsp mybatis mybatis-spring spring Junit-->
<dependencies>
<!-- mysql 驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.28</version>
</dependency>
<!-- 数据库连接池 c3p0 -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.5</version>
</dependency>
<!-- servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<!-- jsp -->
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2</version>
</dependency>
<!-- jstl -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.7</version>
</dependency>
<!-- mybatis-spring -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.6</version>
</dependency>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.3.13</version>
</dependency>
<!-- spring-jdbc -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.3.18</version>
</dependency>
<!-- junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!-- lombok -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.22</version>
</dependency>
</dependencies>
<!-- 静态资源导出问题 -->
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>true</filtering>
</resource>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>true</filtering>
</resource>
</resources>
</build>
</project>
连接数据库
create database ssmbuild;
use ssmbuild;
create table books (
bookID int(50) 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');
...
新建配置文件 (spring/mybatis/db)
applicationContext.xml（Spring）
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
<!--总的 spring 配置包 -->
<import resource="classpath:spring-dao.xml"/>
<import resource="classpath:spring-service.xml"/>
<import resource="classpath:springmvc-servlet.xml"/>
</beans>
mybatis-config.xml（mybatis）
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<!-- 核心配置文件 -->
<configuration>
<!-- 配置数据源，交给 Spring 去做 -->
<typeAliases>
<package name="com.lee.pojo"/>
</typeAliases>
</configuration>
database.properties (连接数据库信息)
jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&serverTimezone=Asia/Shanghai&characterEncoding=utf8
jdbc.username=root
jdbc.password=ll546546
pojo
新建实体类 Book
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Book {
private int bookID;
private String bookName;
private int bookCounts;
private String detail;
}
dao (mapper)
BookMapper.java
import com.lee.pojo.Book;
import org.apache.ibatis.annotations.Param;
import java.util.List;
public interface BookMapper {
// 增加一本书
int addBook(Book book);
// 删除一本书
int deleteBook(@Param("bookId") int id);
// 更新一本书
int updateBook(Book book);
// 查询一本书
Book getBookById(@Param("bookId") int id);
// 查询全部的书
List<Book> getAllBooks();
}
BookMapper.xml
<?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">
<!-- namespace 绑定一个对应的 Dao / Mapper 接口-->
<mapper namespace="com.lee.dao.BookMapper">
<!-- 增加一本书 -->
<insert id="addBook" parameterType="Book">
insert into ssmbuild.books (bookName, bookCounts, detail)
VALUES (#{bookName}, #{bookCounts}, #{detail});
</insert>
<!-- 删除一本书 -->
<delete id="deleteBook" parameterType="int">
delete from ssmbuild.books where bookID = #{bookId};
</delete>
<!-- 更新一本书 -->
<update id="updateBook" parameterType="Book">
update ssmbuild.books set bookName = #{bookName}, bookCounts = #{bookCounts}, detail = #{detail}
where bookID = #{bookId};
</update>
<!-- 查询一本书 -->
<select id="getBookById" resultType="Book">
select * from ssmbuild.books where bookID = #{bookId};
</select>
<!-- 查询全部的书 -->
<select id="getAllBooks" resultType="Book">
select * from ssmbuild.books;
</select>
</mapper>
mybatis-config.xml 新增mapper映射
<mappers>
<mapper class="com.lee.dao.BookMapper"/>
</mappers>
增加后：
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<!-- 核心配置文件 -->
<configuration>
<!-- 配置数据源，交给 Spring 去做 -->
<typeAliases>
<package name="com.lee.pojo"/>
</typeAliases>
<mappers>
<mapper class="com.lee.dao.BookMapper"/> <!-- 可以被 spring-dao 中的配置所取代 -->
</mappers>
</configuration>
service
BookService.java
package com.lee.service;
import com.lee.pojo.Book;
import java.util.List;
public interface BookService {
// 增加一本书
int addBook(Book book);
// 删除一本书
int deleteBook(int id);
// 更新一本书
int updateBook(Book book);
// 查询一本书
Book getBookById(int id);
// 查询全部的书
List<Book> getAllBooks();
}
BookServiceImpl.java
package com.lee.service;
import com.lee.dao.BookMapper;
import com.lee.pojo.Book;
import java.util.List;
// BookServiceImpl 添加 @Service 就可以被 spring-service 扫描到
public class BookServiceImpl implements BookService{
// service 调用 dao
private BookMapper bookMapper;
public void setBookMapper(BookMapper bookMapper) {
this.bookMapper = bookMapper;
}
@Override
public int addBook(Book book) {
return bookMapper.addBook(book);
}
@Override
public int deleteBook(int id) {
return bookMapper.deleteBook(id);
}
@Override
public int updateBook(Book book) {
return bookMapper.updateBook(book);
}
@Override
public Book getBookById(int id) {
return bookMapper.getBookById(id);
}
@Override
public List<Book> getAllBooks() {
return bookMapper.getAllBooks();
}
}
SSM整合-Spring
新建 spring-dao.xml
<?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"
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">
<!-- spring数据库 配置 -->
<!-- <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">-->
<!-- <property name="driverClassName" value="com.mysql.cj.jdbc.Driver"/>-->
<!-- <property name="url" value="jdbc:mysql://localhost:3306/ssmbuild?useSSL=false&-->
<!-- useUnicode=true&serverTimezone=Asia/Shanghai&characterEncoding=utf8"/>-->
<!-- <property name="username" value="root"/>-->
<!-- <property name="password" value="ll546546"/>-->
<!-- </bean>-->
<!-- 1. 关联数据库配置文件 -->
<context:property-placeholder location="classpath:database.properties"/>
<!-- 2. 连接池 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driver}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<!-- c3p0 连接池的私有属性 -->
<property name="maxPoolSize" value="30"/>
<property name="minPoolSize" value="10"/>
<!-- 关闭连接后不自动commit -->
<property name="autoCommitOnClose" value="false"/>
<!-- 获取连接超时时间 -->
<property name="checkoutTimeout" value="10000"/>
<!-- 当获取连接失败重试次数 -->
<property name="acquireRetryAttempts" value="2"/>
</bean>
<!-- 3. SqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!-- 绑定 mybatis配置文件 -->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
</bean>
<!-- 4. 配置 dao接口扫描包，动态的实现了 dao 接口可以注入到 Spring 容器中 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 注入 SQLSessionFactory -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!-- 要扫描的包 -->
<property name="basePackage" value="com.lee.dao"/> <!-- 替代 mapper 映射 -->
</bean>
</beans>
spring-service.xml
<?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"
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">
<!-- 1. 扫描 service 下的包 -->
<context:component-scan base-package="com.lee.service"/> <!-- BookServiceImpl 添加 @Service 就可以扫描到 -->
<!-- 2. 将所有的业务类注入到 Spring , 可以通过配置 或者注解实现 -->
<bean id="bookServiceImpl" class="com.lee.service.BookServiceImpl">
<property name="bookMapper" ref="bookMapper"/>
</bean>
<!-- 3. 声明式事务配置 -->
<bean id="tr" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!-- 注入数据源 -->
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- 4. aop 事务支持 -->
</beans>
SSM整合-SpringMVC
添加 web 支持
配置web.xml
<?xml version="1.0" encoding="UTF-8"?>
<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">
<!-- DispatcherServlet -->
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc-servlet.xml</param-value>
<!--
后续修改为：
<param-value>classpath:applicationContext.xml</param-value>
-->
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 乱码过滤 -->
<filter>
<filter-name>encoding</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>
</filter>
<filter-mapping>
<filter-name>encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- session -->
<session-config>
<session-timeout>15</session-timeout>
</session-config>
</web-app>
新建 springmvc-servlet.xml
<?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">
<!-- 1. 注解驱动 -->
<mvc:annotation-driven/>
<!-- 2. 静态资源过滤 -->
<mvc:default-servlet-handler/>
<!-- 3. 扫描包 controller -->
<context:component-scan base-package="com.lee.controller"/>
<!-- 4. 视图解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="internalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"/>
<property name="suffix" value=".jsp"/>
</bean>
</beans>
在WEB-INF目录下新建文件夹 jsp
controller
新建 BookController.java
package com.lee.controller;
import com.lee.pojo.Book;
import com.lee.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import java.util.List;
@Controller
@RequestMapping("/book")
public class BookController {
// controller 调用 service
@Autowired
@Qualifier("bookServiceImpl")
private BookService bookService;
// 查询全部的书 并返回到一个数据展示页面
@RequestMapping("/allBooks")
public String listBook(Model model) {
List<Book> bookList = bookService.getAllBooks();
model.addAttribute("list", bookList);
return "allBooks";
}
}
WEB/jsp/ 下新建 allBooks.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>书籍展示</title>
</head>
<body>
<h1>书籍展示</h1>
</body>
</html>
修改欢迎页 index.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>首页</title>
</head>
<body>
<a href="${pageContext.request.contextPath}/book/allBooks">进入书籍页面</a>
</body>
</html>
Test
package com.lee;
import com.lee.pojo.Book;
import com.lee.service.BookService;
import org.junit.Test;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import java.util.List;
public class MyTest {
@Test
public void test01() {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");
BookService service = context.getBean("bookServiceImpl",BookService.class);
List<Book> bookList = service.getAllBooks();
for (Book book : bookList) {
System.out.println(book);
}
}
}
修改 web.xml classpath:applicationContext.xml
<!-- DispatcherServlet -->
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
至此配置基本完成
美化
美化 index.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>首页</title>
<style>
a {
text-decoration: none;
color: black;
font-size: 18px;
}
h3 {
width: 180px;
height: 38px;
margin: 100px auto;
text-align: center;
line-height: 38px;
background: cornflowerblue;
border-radius: 5px;
}
</style>
</head>
<body>
<h3>
<a href="${pageContext.request.contextPath}/book/allBooks">进入书籍页面</a>
</h3>
</body>
</html>
美化 allBooks.jsp 并添加 新增书籍 请求
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>书籍展示</title>
<%-- BootStrap 美化界面 --%>
<link href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container">
<div class="row clearfix">
<div class="col-md-12 column">
<div class="page-header">
<h1>
<small>书籍列表--显示所有书籍</small>
</h1>
</div>
</div>
<div class="row">
<div class="col-md-4 column">
<a class="btn btn-primary" href="${pageContext.request.contextPath}/book/toAddBook">新增书籍</a>
</div>
</div>
</div>
<div class="row clearfix">
<div class="col-md-12 column">
<table class="table table-hover table-striped">
<thead>
<tr>
<th>书籍编号</th>
<th>书籍名称</th>
<th>书籍数量</th>
<th>书籍详情</th>
</tr>
</thead>
<tbody>
<c:forEach var="book" items="${list}">
<tr>
<td>${book.bookID}</td>
<td>${book.bookName}</td>
<td>${book.bookCounts}</td>
<td>${book.detail}</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
</div>
</div>
</body>
</html>
插入功能
在 WEB-INF/jsp下新建 addBook.jsp
<%--
Created by IntelliJ IDEA.
User: KITE
Date: 22/05/01
Time: 20:51
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>新增书籍</title>
<%-- BootStrap 美化界面 --%>
<link href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container">
<div class="row clearfix">
<div class="col-md-12 column">
<div class="page-header">
<h1>
<small>新增书籍</small>
</h1>
</div>
</div>
</div>
<form action="${pageContext.request.contextPath}/book/addBook" method="post">
<div class="form-group">
<label for="book_name">书籍名称</label>
<input type="text" class="form-control" id="book_name" name="bookName" required>
</div>
<div class="form-group">
<label for="book_counts">书籍数量</label>
<input type="text" class="form-control" id="book_counts" name="bookCounts" required>
</div>
<div class="form-group">
<label for="detail">书籍详情</label>
<input type="text" class="form-control" id="detail" name="detail" required>
</div>
<div class="form-group">
<input type="submit" class="form-control" value="添加">
</div>
</form>
</div>
</body>
</html>
跳转至新增页面、新增书籍 BookController
// 跳转至新增书籍页面
@RequestMapping("/toAddBook")
public String toAddBookPage() {
return "addBook";
}
// 新增书籍
@RequestMapping("/addBook")
public String addBook(Book book, Model model) {
bookService.addBook(book);
return "redirect:/book/allBooks";
}
修改删除功能
allBooks.jsp增加 修改删除 请求
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>书籍展示</title>
<%-- BootStrap 美化界面 --%>
<link href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container">
<div class="row clearfix">
<div class="col-md-12 column">
<div class="page-header">
<h1>
<small>书籍列表--显示所有书籍</small>
</h1>
</div>
</div>
<div class="row">
<div class="col-md-4 column">
<a class="btn btn-primary" href="${pageContext.request.contextPath}/book/toAddBook">新增书籍</a>
</div>
</div>
</div>
<div class="row clearfix">
<div class="col-md-12 column">
<table class="table table-hover table-striped">
<thead>
<tr>
<th>书籍编号</th>
<th>书籍名称</th>
<th>书籍数量</th>
<th>书籍详情</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<c:forEach var="book" items="${list}">
<tr>
<td>${book.bookID}</td>
<td>${book.bookName}</td>
<td>${book.bookCounts}</td>
<td>${book.detail}</td>
<td>
<a href=
"${pageContext.request.contextPath}/book/toUpdateBook?id=${book.bookID}">修改</a>
|
<a href=
"${pageContext.request.contextPath}/book/deleteBook/${book.bookID}">删除</a>
</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
</div>
</div>
</body>
</html>
新建 updateBook.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>修改书籍</title>
<%-- BootStrap 美化界面 --%>
<link href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container">
<div class="row clearfix">
<div class="col-md-12 column">
<div class="page-header">
<h1>
<small>修改书籍</small>
</h1>
</div>
</div>
</div>
<form action="${pageContext.request.contextPath}/book/updateBook" method="post">
<input type="hidden" name="bookID" value="${GotBook.bookID}">
<div class="form-group">
<label>书籍名称</label>
<input type="text" class="form-control" name="bookName" value="${GotBook.bookName}" required>
</div>
<div class="form-group">
<label>书籍数量</label>
<input type="text" class="form-control" name="bookCounts" value="${GotBook.bookCounts}" required>
</div>
<div class="form-group">
<label>书籍详情</label>
<input type="text" class="form-control" name="detail" value="${GotBook.detail}" required>
</div>
<div class="form-group">
<input type="submit" class="form-control" value="确认修改">
</div>
</form>
</div>
</body>
</html>
BookController
// 跳转至修改书籍页面
@RequestMapping("/toUpdateBook")
public String toUpdateBookPage(int id, Model model) {
// System.out.println("toUpdateBook");
Book book = bookService.getBookById(id);
model.addAttribute("GotBook", book);
return "updateBook";
}
// 修改书籍
@RequestMapping("/updateBook")
public String updateBook(Book book) {
bookService.updateBook(book);
return "redirect:/book/allBooks";
}
// 删除书籍
@RequestMapping("/deleteBook/{bookId}")
public String updateBook(@PathVariable("bookId") int id) {
bookService.deleteBook(id);
return "redirect:/book/allBooks";
}
查询功能
BookMapper.java 添加查询方法接口
// 查询
List<Book> getBookByName(String bookName);
BookMapper.xml 编写sql
<!-- 查询 -->
<select id="getBookByName" resultType="Book">
select * from ssmbuild.books where bookName = #{bookName};
</select>
BookService.java 添加查询方法接口
// 根据书名查询
List<Book> getBookByName(String bookName);
BookServiceImpl.java 实现查询方法接口
@Override
public List<Book> getBookByName(String bookName) {
return bookMapper.getBookByName(bookName);
}
BookController 实现页面跳转及结果反馈
// 查询书籍
@RequestMapping("/getBookByName")
public String getBook(String bookName, Model model) {
System.out.println("--------------------" + bookName);
List<Book> bookList = bookService.getBookByName(bookName);
if (bookList.isEmpty()) {
model.addAttribute("error", "true");
} else {
model.addAttribute("list", bookList);
}
return "allBooks";
}
allBooks.jsp 添加 查询请求以及查询为空时的提醒
<%@ page import="java.util.concurrent.TimeUnit" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>书籍展示</title>
<%-- BootStrap 美化界面 --%>
<link href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container">
<div class="row clearfix">
<div class="col-md-12 column">
<div class="page-header">
<h1>
<small>书籍列表--显示所有书籍</small>
</h1>
</div>
</div>
<div class="row">
<div class="col-md-4 column">
<a class="btn btn-primary" href="${pageContext.request.contextPath}/book/toAddBook">新增书籍</a>
<a class="btn btn-primary" href="${pageContext.request.contextPath}/book/allBooks">返回书籍目录</a>
</div>
<div class="col-md-8 column">
<form action="${pageContext.request.contextPath}/book/getBookByName" method="post"
class="form-inline" style="float: right">
<input type="text" name="bookName" class="form-control" placeholder="请输入要查询的书籍名称">
<input type="submit" value="查询" class="btn btn-primary"/>
</form>
</div>
</div>
<div class="row">
<div class="col-md-12 column">
<div>
<%-- 搜索为空时的三种解决方案 --%>
<c:if test="${true eq error}">
<%-- 提示窗口 --%>
<div class="alert alert-success alert-dismissable">
<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>
<h4 style="color: red; text-align: center">
<strong>注意! </strong>查询内容为空！请<a href="${pageContext.request.contextPath}/book/allBooks" >返回书籍目录</a>
</h4>
</div>
<%-- alert 弹窗 --%>
<%out.print("<script>alert('查找内容为空');</script>");%>
<%-- 重定向首页 --%>
<%response.sendRedirect(request.getContextPath()+"/book/allBooks");%>
</c:if>
</div>
</div>
</div>
</div>
<div class="row clearfix">
<div class="col-md-12 column">
<table class="table table-hover table-striped">
<thead>
<tr>
<th>书籍编号</th>
<th>书籍名称</th>
<th>书籍数量</th>
<th>书籍详情</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<c:forEach var="book" items="${list}">
<tr>
<td>${book.bookID}</td>
<td>${book.bookName}</td>
<td>${book.bookCounts}</td>
<td>${book.detail}</td>
<td>
<a href="${pageContext.request.contextPath}/book/toUpdateBook?id=${book.bookID}">修改</a>
|
<a href="${pageContext.request.contextPath}/book/deleteBook/${book.bookID}">删除</a>
</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
</div>
</div>
</body>
</html>
增加日志功能
mybatis-config.xml
<!-- 日志功能 -->
<settings>
<setting name="logImpl" value="STDOUT_LOGGING"/>
</settings>
标签：Book,int,public,SSM,book,整合,import,书籍 来源： https://www.cnblogs.com/kitelee/p/16215323.html