文章目录
- 一、整体架构
- 二、具体步骤
- 1.创建数据库
- 2.导入依赖pox.xml
- 3.1 pojo
- 3.2 dao
- 3.3 service
- 3.4 controller
- 4.1 data.properties
- 4.2 applicationContext.xml
- 4.3 mybatis-config.xml
- 4.4 spring-dao.xml
- 4.5 spring-service.xml
- 4.6 spring-mvc.xml
- 5.1 WEB-INF/jsp/allbook.jsp
- 5.2 web.xml
- 6 书籍增删改查(目录结构)
- 6.1 查询书籍
- 6.2 增加书籍
- 6.3 修改书籍
- 6.4 删除书籍
- 6.5 搜索书籍
- 总结
一、整体架构
二、具体步骤
1.创建数据库
代码如下(示例):
CREATE DATABASE `ssmbuild`;
USE `ssmbuild`;
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.导入依赖pox.xml
需要注意的是:mysql的版本最好与本机的版本一致,不然可能会无法查询数据库
<dependencies>
<!--Junit-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<!--数据库驱动-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.47</version>
</dependency>
<!-- 数据库连接池 -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.2</version>
</dependency>
<!--Servlet - JSP -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!--Mybatis-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.2</version>
</dependency>
<!--Spring-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.1.9.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.1.9.RELEASE</version>
</dependency>
</dependencies>
Maven资源过滤设置:避免src/main/java和src/main/resources无法打包到/target/classes中
<build>
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
</resources>
</build>
3.1 pojo
Books实体类
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Books {
private int bookID;
private String bookName;
private int bookCounts;
private String detail;
}
3.2 dao
BookMapper接口
public interface BookMapper {
//增加一个Book
int addBook(Books book);
//根据id删除一个Book
int deleteBookById(@Param("bookID") int id);
//更新Book
int updateBook(Books books);
//根据id查询,返回一个Book
Books queryBookById(@Param("bookID") int id);
//查询全部Book,返回list集合
List<Books> queryAllBook();
}
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">
<mapper namespace="net.cszxx.www.dao.BookMapper">
<!--增加一个Book-->
<insert id="addBook" parameterType="Books">
insert into ssmbuild.books(bookName,bookCounts,detail)
values (#{bookName}, #{bookCounts}, #{detail})
</insert>
<!--根据id删除一个Book-->
<delete id="deleteBookById" parameterType="int">
delete from ssmbuild.books where bookID=#{bookID}
</delete>
<!--更新Book-->
<update id="updateBook" parameterType="Books">
update ssmbuild.books
set bookName = #{bookName},bookCounts = #{bookCounts},detail = #{detail}
where bookID = #{bookID}
</update>
<!--根据id查询,返回一个Book-->
<select id="queryBookById" resultType="Books">
select * from ssmbuild.books
where bookID = #{bookID}
</select>
<!--查询全部Book-->
<select id="queryAllBook" resultType="Books">
SELECT * from ssmbuild.books
</select>
</mapper>
3.3 service
Service接口
public interface BookService {
//增加一个Book
int addBook(Books book);
//根据id删除一个Book
int deleteBookById(int id);
//更新Book
int updateBook(Books books);
//根据id查询,返回一个Book
Books queryBookById(int id);
//查询全部Book,返回list集合
List<Books> queryAllBook();
}
ServiceImpl实现类
public class BookServiceImpl implements BookService{
//调用dao层的操作,设置一个set接口,方便Spring管理
private BookMapper bookMapper;
public void setBookMapper(BookMapper bookMapper) {
this.bookMapper = bookMapper;
}
public int addBook(Books book) {
return bookMapper.addBook(book);
}
public int deleteBookById(int id) {
return bookMapper.deleteBookById(id);
}
public int updateBook(Books books) {
return bookMapper.updateBook(books);
}
public Books queryBookById(int id) {
return bookMapper.queryBookById(id);
}
public List<Books> queryAllBook() {
return bookMapper.queryAllBook();
}
}
3.4 controller
代码如下(示例):
@Controller
@RequestMapping("/book")
public class BookController {
@Autowired
@Qualifier("BookServiceImpl")
private BookService bookService;
@RequestMapping("/allBook")
public String list(Model model) {
// List<Books> list = bookService.queryAllBook();
Books book = bookService.queryBookById(2);
model.addAttribute("list", book);
return "allbooks";
}
}
4.1 data.properties
数据库
jdbc.driver=com.mysql.jdbc.Driver
<!-- mysql8.0以上,需要加上时区:&serverTimezone=Asia/Shanghai-->
jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai
jdbc.username=root
jdbc.password=12345678
4.2 applicationContext.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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd">
<import resource="spring-dao.xml"/>
<import resource="spring-service.xml"/>
<import resource="spring-mvc.xml"/>
</beans>
4.3 mybatis-config.xml
<?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">
<configuration>
<typeAliases>
<package name="net.cszxx.www.pojo"/>
</typeAliases>
<!--这个mapper也可以在spring-dao中被托管-->
<mappers>
<mapper resource="net/cszxx/www/dao/BookMapper.xml"/>
</mappers>
</configuration>
4.4 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">
<!-- 配置整合mybatis -->
<!-- 1.关联数据库文件 -->
<context:property-placeholder location="classpath:datasource.properties"/>
<!-- 2.数据库连接池 -->
<!--数据库连接池
dbcp 半自动化操作 不能自动连接
c3p0 自动化操作(自动的加载配置文件 并且设置到对象里面)
-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<!-- 配置连接池属性 -->
<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.配置SqlSessionFactory对象 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 注入数据库连接池 -->
<property name="dataSource" ref="dataSource"/>
<!-- 绑定MyBaties全局配置文件:mybatis-config.xml -->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
<!--可以直接托管mybatisCnfig.xml中的注册的<mapper>-->
<!--<property name="mapperLocations" value="classpath:net/cszxx/www/dao/*.xml"/>-->
</bean>
<!-- 4.配置扫描Dao接口包,动态实现Dao接口注入到spring容器中 -->
<!--解释 :;
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 注入sqlSessionFactory -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!-- 给出需要扫描Dao接口包 -->
<property name="basePackage" value="net.cszxx.www.dao"/>
</bean>
</beans>
4.5 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
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 1.扫描service相关的bean,开启注解 -->
<context:component-scan base-package="net.cszxx.www.service" />
<!--2.BookServiceImpl注入到IOC容器中-->
<bean id="BookServiceImpl" class="net.cszxx.www.service.BookServiceImpl">
<property name="bookMapper" ref="bookMapper"/>
</bean>
<!-- 3.开启并配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!-- 注入数据库连接池 -->
<property name="dataSource" ref="dataSource" />
</bean>
</beans>
4.6 spring-mvc.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"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 配置SpringMVC -->
<!-- 1.开启注解:扫描web相关的bean -->
<context:component-scan base-package="net.cszxx.www.controller" />
<!-- 2.开启SpringMVC注解驱动 -->
<mvc:annotation-driven />
<!-- 3.静态资源默认servlet配置-->
<mvc:default-servlet-handler/>
<!-- 4.配置jsp 显示ViewResolver视图解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
</beans>
5.1 WEB-INF/jsp/allbook.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h1>测试</h1>
${list}
</body>
</html>
5.2 web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<!--1.DispatcherServlet-->
<servlet>
<servlet-name>DispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<!--一定要注意:我们这里加载的是总的配置文件,之前被这里坑了!-->
<param-value>classpath:applicationContext.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>DispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!--2.encodingFilter解决乱码问题-->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>
org.springframework.web.filter.CharacterEncodingFilter
</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>utf-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--3.Session过期时间-->
<session-config>
<session-timeout>15</session-timeout>
</session-config>
</web-app>
6 书籍增删改查(目录结构)
6.1 查询书籍
index.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>$Title$</title>
<style>
h1{
width: 350px;
height: 38px;
margin: 200px auto;
text-align: center;
line-height: 40px;
background-color:deepskyblue;
border-radius: 5px;
}
a{
text-decoration: none;
color: blue;
font-size: 30px;
}
</style>
</head>
<body>
<h1>
<a href="${pageContext.request.contextPath}/book/allbooks">图书管理系统</a>
</h1>
</body>
</html>
controller
package net.cszxx.www.controller;
import net.cszxx.www.pojo.Books;
import net.cszxx.www.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 {
@Autowired
@Qualifier("BookServiceImpl")
//Controller层调service层
private BookService bookService;
@RequestMapping("/allBooksQuery")
public String list(Model model) {
List<Books> list = bookService.queryAllBook();
model.addAttribute("list", list);
return "allbooks";
}
}
allbooks.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
<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>图书列表——展示页面</small>
</h1>
</div>
</div>
</div>
<div class="col-md-12 column">
<table class="table table-hover table table-striped">
<thead>
<tr>
<th>书籍编号</th>
<th>书籍名称</th>
<th>书籍数量</th>
<th>书籍描述</th>
</tr>
</thead>
<tbody>
<c:forEach var="book" items="${list}">
<tr>
<td>${book.bookID}</td>
<td>${book.bookName}</td>
<td>${book.bookCounts}</td>
<td>${book.detail}</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
</div>
</div>
</body>
</html>
6.2 增加书籍
allbooks.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
<link href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container">
<div class="row clearfix">
<div class="col-md-12 column">
<div class="page-header">
<h1>
<small>图书列表——展示页面</small>
</h1>
</div>
</div>
<div class="col-md-4">
<!--这里增加一个新增书籍的跳转链接-->
<a href="${pageContext.request.contextPath}/book/addBookPaper">新增书籍</a>
</div>
</div>
<div class="col-md-12 column">
<table class="table table-hover table table-striped">
<thead>
<tr>
<th>书籍编号</th>
<th>书籍名称</th>
<th>书籍数量</th>
<th>书籍描述</th>
</tr>
</thead>
<tbody>
<c:forEach var="book" items="${list}">
<tr>
<td>${book.bookID}</td>
<td>${book.bookName}</td>
<td>${book.bookCounts}</td>
<td>${book.detail}</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
</div>
</div>
</body>
</html>
controller
package net.cszxx.www.controller;
import net.cszxx.www.pojo.Books;
import net.cszxx.www.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import java.util.List;
@Controller
@RequestMapping("/book")
public class BookController {
@Autowired
@Qualifier("BookServiceImpl")
//Controller层调service层
private BookService bookService;
@RequestMapping("/allBooksQuery")
public String list(Model model) {
List<Books> list = bookService.queryAllBook();
model.addAttribute("list", list);
return "allbooks";
}
//allbooks.jsp中的链接通过这个方法跳转到WEB-INF下的展示页面addBooks.jsp
@RequestMapping("/addBookPaper")
public String toAddBooks(){
return "addBooks";
}
}
addBooks.jsp
<%--
Created by IntelliJ IDEA.
User: Administrator
Date: 2021-12-02
Time: 下午 12:44
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>添加书籍</title>
<link href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container">
<div class="row clearfix">
<div class="col-md-12 column">
<div class="page-header">
<h1>
<small>图书添加页面</small>
</h1>
</div>
</div>
</div>
<div class="col-md-4 column">
<!--利用表单将数据提交给虚拟路径为/book/addBook的controller中处理-->
<form action="${pageContext.request.contextPath}/book/addBook" method="post">
<div class="form-group">
<label>书籍名称:</label>
<input type="text" class="form-control" name="bookName">
</div>
<div class="form-group">
<label>书籍数量:</label>
<input type="text" class="form-control" name="bookCounts">
</div>
<div class="form-group">
<label>书籍信息:</label>
<input type="text" class="form-control" name="detail">
</div>
<button type="submit" class="btn btn-default">增加书籍</button>
</form>
</div>
</div>
</div>
</body>
</html>
controller
package net.cszxx.www.controller;
import net.cszxx.www.pojo.Books;
import net.cszxx.www.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 {
@Autowired
@Qualifier("BookServiceImpl")
//Controller层调service层
private BookService bookService;
@RequestMapping("/allBooksQuery")
public String list(Model model) {
List<Books> list = bookService.queryAllBook();
model.addAttribute("list", list);
return "allbooks";
}
@RequestMapping("/addBookPaper")
public String toAddBooks(){
return "addBooks";
}
//接收前端form表单发送过来的数据,添加图书,然后重定向到allbooks页面,等于重新查询刷新了一遍,展示的是最新数据。
@RequestMapping("/addBook")
public String addBooks(Books books){
bookService.addBook(books);
return "redirect:/book/allBooksQuery";
}
}
6.3 修改书籍
添加修改链接
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
<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>图书列表——展示页面</small>
</h1>
</div>
</div>
<div class="col-md-4">
<a href="${pageContext.request.contextPath}/book/addBookPaper">新增书籍</a>
</div>
<div class="row clearfix">
<div class="col-md-12 column">
<table class="table table-hover table table-striped">
<thead>
<tr>
<th>书籍编号</th>
<th>书籍名称</th>
<th>书籍数量</th>
<th>书籍描述</th>
<!--增加操作-->
<th>操作</th>
</tr>
</thead>
<tbody>
<c:forEach var="book" items="${list}">
<tr>
<td>${book.bookID}</td>
<td>${book.bookName}</td>
<td>${book.bookCounts}</td>
<td>${book.detail}</td>
<td>
<!--增加修改链接,携带选中的id参数,跳转到controller中虚拟路径为toUpdateBooks的方法-->
<a href="${pageContext.request.contextPath}/book/toUpdateBooks?id=${book.bookID}">修改</a> |
<a href="${pageContext.request.contextPath}/book/toDeleteBooks?id=${book.bookID}">删除</a>
</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
</div>
</div>
</div>
</body>
</html>
接收前端id参数,并查询,再将查询到数据使用model传递给前端updatebooks.jsp页面
package net.cszxx.www.controller;
import net.cszxx.www.pojo.Books;
import net.cszxx.www.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 {
@Autowired
@Qualifier("BookServiceImpl")
//Controller层调service层
private BookService bookService;
@RequestMapping("/allBooksQuery")
public String list(Model model) {
List<Books> list = bookService.queryAllBook();
model.addAttribute("list", list);
return "allbooks";
}
@RequestMapping("/addBookPaper")
public String toAddBooks(){
return "addBooks";
}
@RequestMapping("/addBook")
public String addBooks(Books books){
bookService.addBook(books);
return "redirect:/book/allBooksQuery";
}
//接收前端id参数,并查询,再将查询到数据使用model传递给前端updatebooks.jsp页面
@RequestMapping("/toUpdateBooks")
public String UpdateBooks(int id,Model model){
Books books = bookService.queryBookById(id);
model.addAttribute("books01",books);
return "updatebooks";
}
@RequestMapping("/toUpdateBooksSucess")
public String UpdateBooksSucess(Books books){
bookService.updateBook(books);
return "redirect:/book/allBooksQuery";
}
@RequestMapping("/toDeleteBooks")
public String DeleteBooks(int id){
bookService.deleteBookById(id);
return "redirect:/book/allBooksQuery";
}
}
接收前端查询到的对象books01,将bookID bookName bookCounts留在前端页面
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>添加书籍</title>
<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>图书修改页面</small>
</h1>
</div>
</div>
<div class="col-md-4 column">
<form action="${pageContext.request.contextPath}/book/toUpdateBooksSucess" method="post">
<!-- 这个隐藏域要放在form表单内部-->
<!--接收前端查询到的对象books01,将bookID bookName bookCounts留在前端页面-->
<input type="hidden" name="bookID" value="${books01.bookID}">
<div class="form-group">
<label>书籍名称:</label>
<input type="text" class="form-control" name="bookName" value="${books01.bookName}">
</div>
<div class="form-group">
<label>书籍数量:</label>
<input type="text" class="form-control" name="bookCounts" value="${books01.bookCounts}"
</div>
<div class="form-group">
<label>书籍信息:</label>
<input type="text" class="form-control" name="detail" value="${books01.detail}">
</div>
<button type="submit" class="btn btn-default">修改书籍</button>
</form>
</div>
</div>
</div>
</div>
</body>
</html>
接收前端填写的Books对象的参数,进行修改,再转向到allBooksQuery详细页
package net.cszxx.www.controller;
import net.cszxx.www.pojo.Books;
import net.cszxx.www.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 {
@Autowired
@Qualifier("BookServiceImpl")
//Controller层调service层
private BookService bookService;
@RequestMapping("/allBooksQuery")
public String list(Model model) {
List<Books> list = bookService.queryAllBook();
model.addAttribute("list", list);
return "allbooks";
}
@RequestMapping("/addBookPaper")
public String toAddBooks(){
return "addBooks";
}
@RequestMapping("/addBook")
public String addBooks(Books books){
bookService.addBook(books);
return "redirect:/book/allBooksQuery";
}
@RequestMapping("/toUpdateBooks")
public String UpdateBooks(int id,Model model){
Books books = bookService.queryBookById(id);
model.addAttribute("books01",books);
return "updatebooks";
}
//接收前端填写的Books对象的参数,进行修改,再转向到allBooksQuery详细页
@RequestMapping("/toUpdateBooksSucess")
public String UpdateBooksSucess(Books books){
bookService.updateBook(books);
return "redirect:/book/allBooksQuery";
}
@RequestMapping("/toDeleteBooks")
public String DeleteBooks(int id){
bookService.deleteBookById(id);
return "redirect:/book/allBooksQuery";
}
}
6.4 删除书籍
增加删除链接,携带选中的id参数,跳转到controller中虚拟路径为toDeleteBooks的方法
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
<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>图书列表——展示页面</small>
</h1>
</div>
</div>
<div class="col-md-4">
<a href="${pageContext.request.contextPath}/book/addBookPaper">新增书籍</a>
</div>
<div class="row clearfix">
<div class="col-md-12 column">
<table class="table table-hover table table-striped">
<thead>
<tr>
<th>书籍编号</th>
<th>书籍名称</th>
<th>书籍数量</th>
<th>书籍描述</th>
<!--增加操作-->
<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/toUpdateBooks?id=${book.bookID}">修改</a> |
<!--增加删除链接,携带选中的id参数,跳转到controller中虚拟路径为toDeleteBooks的方法-->
<a href="${pageContext.request.contextPath}/book/toDeleteBooks?id=${book.bookID}">删除</a>
</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
</div>
</div>
</div>
</body>
</html>
package net.cszxx.www.controller;
import net.cszxx.www.pojo.Books;
import net.cszxx.www.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 {
@Autowired
@Qualifier("BookServiceImpl")
//Controller层调service层
private BookService bookService;
@RequestMapping("/allBooksQuery")
public String list(Model model) {
List<Books> list = bookService.queryAllBook();
model.addAttribute("list", list);
return "allbooks";
}
@RequestMapping("/addBookPaper")
public String toAddBooks(){
return "addBooks";
}
@RequestMapping("/addBook")
public String addBooks(Books books){
bookService.addBook(books);
return "redirect:/book/allBooksQuery";
}
@RequestMapping("/toUpdateBooks")
public String UpdateBooks(int id,Model model){
Books books = bookService.queryBookById(id);
model.addAttribute("books01",books);
return "updatebooks";
}
@RequestMapping("/toUpdateBooksSucess")
public String UpdateBooksSucess(Books books){
bookService.updateBook(books);
return "redirect:/book/allBooksQuery";
}
//接收前端携带过来的id参数,根据id删除信息,返回详细页allBooksQuery
@RequestMapping("/toDeleteBooks")
public String DeleteBooks(int id){
bookService.deleteBookById(id);
return "redirect:/book/allBooksQuery";
}
}
6.5 搜索书籍
1.前端 allbooks.jsp:
使用form表单,写前端“根据书籍名称”搜索页面,将需要查询的书籍名称使用action提交到controller层
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
<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>图书列表——展示页面</small>
</h1>
</div>
</div>
<div class="col-md-4">
<a href="${pageContext.request.contextPath}/book/addBookPaper">新增书籍</a>
</div>
<div class="col-md-4">
</div>
<div class="col-md-4">
<!-- 设计搜索表单向controller传递数据-->
<form action="${pageContext.request.contextPath}/book/toQueryBooksByString" method="post">
<span style="color: crimson;font-weight: bold">${error}</span>
<input type="text" name="bookNameInfo" placeholder="请输入查询的书籍"/>
<input type="submit" value="查询">
</form>
</div>
<div class="row clearfix">
<div class="col-md-12 column">
<table class="table table-hover table table-striped">
<thead>
<tr>
<th>书籍编号</th>
<th>书籍名称</th>
<th>书籍数量</th>
<th>书籍描述</th>
<!--增加操作-->
<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/toUpdateBooks?id=${book.bookID}">修改</a> |
<a href="${pageContext.request.contextPath}/book/toDeleteBooks/${book.bookID}">删除</a>
</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
</div>
</div>
</div>
</body>
</html>
2.controller层 BookController.java:
将根据“搜索书籍”的参数查询数据,那么就需要业务层处理。
@Controller
@RequestMapping("/book")
public class BookController {
@Autowired
@Qualifier("BookServiceImpl")
//Controller层调service层
private BookService bookService;
@RequestMapping("/allBooksQuery")
public String list(Model model) {
List<Books> list = bookService.queryAllBook();
model.addAttribute("list", list);
return "allbooks";
}
@RequestMapping("/addBookPaper")
public String toAddBooks(){
return "addBooks";
}
@RequestMapping("/addBook")
public String addBooks(Books books){
bookService.addBook(books);
return "redirect:/book/allBooksQuery";
}
@RequestMapping("/toUpdateBooks")
public String UpdateBooks(int id,Model model){
Books books = bookService.queryBookById(id);
model.addAttribute("books01",books);
return "updatebooks";
}
@RequestMapping("/toUpdateBooksSucess")
public String UpdateBooksSucess(Books books){
bookService.updateBook(books);
return "redirect:/book/allBooksQuery";
}
@RequestMapping("/toDeleteBooks/{bookId}")
public String DeleteBooks(@PathVariable("bookId") int id){
bookService.deleteBookById(id);
return "redirect:/book/allBooksQuery";
}
//接收前端传入的“书籍名称”,根据该名称查询后,返回详细页allbooks.jsp
@RequestMapping("/toQueryBooksByString")
public String queryBooksByString(Model model,String bookNameInfo){
List<Books> list = bookService.queryBooks(bookNameInfo);
model.addAttribute("list",list);
if(list.isEmpty()){
model.addAttribute("error","请输入查询信息!");
}
return "allbooks";
}
}
3.service层 BookService.java和BookServiceImpl.java
controller层需要调用业务层,那么先要在业务层接口中写一个搜索接口,在实现类中写一个搜索实现类,参数为前端传过来的书籍名称.
public interface BookService {
int addBook(Books book);
int deleteBookById(int id);
int updateBook(Books books);
Books queryBookById(int id);
List<Books> queryAllBook();
//搜索书籍
List<Books> queryBooks(String bookName);
}
BookServiceImpl.java
public class BookServiceImpl implements BookService{
private BookMapper bookMapper;
public void setBookMapper(BookMapper bookMapper) {
this.bookMapper = bookMapper;
}
public int addBook(Books book) {
return bookMapper.addBook(book);
}
public int deleteBookById(int id) {
return bookMapper.deleteBookById(id);
}
public int updateBook(Books books) {
return bookMapper.updateBook(books);
}
public Books queryBookById(int id) {
return bookMapper.queryBookById(id);
}
public List<Books> queryAllBook() {
return bookMapper.queryAllBook();
}
//根据传进来的搜索名称,返回结果List<Books>
public List<Books> queryBooks(String bookName) {
return bookMapper.queryBooks(bookName);
}
}
4.dao层BookMapper.java和BookMapper.xml
业务层需要调用dao层,那么在dao层接口中再写一个搜索书籍接口,然后在mapper.xml中写搜索书籍sql语句,并将前端传过来的书籍名称作为查询参数。
BookMapper.java
public interface BookMapper {
int addBook(Books book);
int deleteBookById(@Param("bookID") int id);
int updateBook(Books books);
Books queryBookById(@Param("bookID") int id);
List<Books> queryAllBook();
<!-- 搜索功能 这里的Param设置别名,然后传递给BookMapper.xml中的sql语句-->
List<Books> queryBooks(@Param("bookName") String queryBooks);
}
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">
<mapper namespace="net.cszxx.www.dao.BookMapper">
<!--增加一个Book-->
<insert id="addBook" parameterType="Books">
insert into ssmbuild.books(bookName,bookCounts,detail)
values (#{bookName}, #{bookCounts}, #{detail})
</insert>
<!--根据id删除一个Book-->
<delete id="deleteBookById" parameterType="int">
delete from ssmbuild.books where bookID=#{bookID}
</delete>
<!--更新Book-->
<update id="updateBook" parameterType="Books">
update ssmbuild.books
set bookName = #{bookName},bookCounts = #{bookCounts},detail = #{detail}
where bookID = #{bookID}
</update>
<!--根据id查询,返回一个Book-->
<select id="queryBookById" resultType="Books">
select * from ssmbuild.books
where bookID = #{bookID}
</select>
<!--查询全部Book-->
<select id="queryAllBook" resultType="Books">
SELECT * from ssmbuild.books
</select>
<!--搜索功能-->
<select id="queryBooks" resultType="Books">
select * from ssmbuild.books where bookName=#{bookName}
</select>
</mapper>
4.效果展示