来自狂神
目录
ssm简易整合
java代码
controller
BookController类
package com.yc.controller;
import com.yc.pojo.Books;
import com.yc.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.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import java.util.ArrayList;
import java.util.List;
/**
* @author yc_ on 2021/11/11.
* @version 1.0
*/
@Controller@RequestMapping("/book")
public class BookController {
//controller层调用service层
@Autowired
@Qualifier("bookServiceImpl")
private BookService bookService;
//查询全部书籍，并且返回到一个书籍展示页面
@RequestMapping("/allBook")
public String list(Model model){
List<Books> list = bookService.queryAllBook();
model.addAttribute("list",list);
return "allBook";
}
//跳转到增加书籍页面
@RequestMapping("/toAddBook")
public String toAddPaper() {
return "addBook";
}
//添加书籍请求
@RequestMapping("/addBook")
public String addPaper(Books books) {
bookService.addBook(books);
return "redirect:/book/allBook";
//重定向
}
//跳转到修改书籍页面
@RequestMapping("/toUpdateBook")
public String toUpdateBook(Model model, int id) {
Books books = bookService.queryBookByID(id);
model.addAttribute("book",books );
return "updateBook";
}
//修改书籍请求
@RequestMapping("/updateBook")
public String updateBook(Model model, Books book) {
bookService.updateBook(book);
Books books = bookService.queryBookByID(book.getBookID());
model.addAttribute("books", books);
return "redirect:/book/allBook";
}
//删除书籍
@RequestMapping("/del/{bookID}")
public String deleteBook(@PathVariable("bookID") int id) {
bookService.deleteBookByID(id);
return "redirect:/book/allBook";
}
//查询书籍
@RequestMapping("/queryBook")
public String queryBook(String queryBookName, Model model){
if ("".equals(queryBookName)){
return "redirect:/book/allBook";
}
Books books = bookService.queryBookByName(queryBookName);
List<Books> list = new ArrayList<>();
list.add(books);
model.addAttribute("list",list);
return "allBook";
}
}
dao
BookMapper类
package com.yc.dao;
import com.yc.pojo.Books;
import org.apache.ibatis.annotations.Param;
import java.util.List;
/**
* @author yc_ on 2021/11/11.
* @version 1.0
*/
public interface BookMapper {
/**
* 增加一本书
* @param book
* @return
*/
int addBook(Books book);
/**
* 删除一本书
* @param id
* @return
*/
int deleteBookByID(@Param("bookID") int id);
/**
* 更新一本书
* @param book
* @return
*/
int updateBook(Books book);
/**
* 查询一本书
* @param id
* @return
*/
Books queryBookByID(@Param("bookID") int id);
/**
* 查询全部书
* @return
*/
List<Books> queryAllBook();
/**
* 通过名字查询书籍
* @param bookName
* @return
*/
Books queryBookByName(@Param("bookName") String bookName);
}
BookMapper.xml bookMapper.对应文件
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.yc.dao.BookMapper">
<insert id="addBook" parameterType="Books">
insert into ssmbuild.books (bookName, bookCounts, detail)
values (#{bookName},#{bookCounts},#{detail});
</insert>
<delete id="deleteBookByID" parameterType="int">
delete from ssmbuild.books where bookID = #{bookID}
</delete>
<update id="updateBook" parameterType="Books">
update ssmbuild.books
set bookName = #{bookName},
bookCounts = #{bookCounts},
detail = #{detail}
where bookID = #{bookID};
</update>
<select id="queryBookByID" resultType="Books">
select *
from ssmbuild.books
where bookID = #{bookID};
</select>
<select id="queryAllBook" resultType="Books">
select *
from ssmbuild.books;
</select>
<select id="queryBookByName" resultType="Books">
select *
from ssmbuild.books
where bookName = #{bookName};
</select>
</mapper>
pojo
Books类
package com.yc.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* @author yc_ on 2021/11/10.
* @version 1.0
*/
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Books {
private int bookID;
private String bookName;
private int bookCounts;
private String detail;
}
service
BookService类
package com.yc.service;
import com.yc.pojo.Books;
import org.apache.ibatis.annotations.Param;
import java.util.List;
/**
* @author yc_ on 2021/11/11.
* @version 1.0
*/
public interface BookService {
/**
* 增加一本书
* @param book
* @return
*/
int addBook(Books book);
/**
* 删除一本书
* @param id
* @return
*/
int deleteBookByID(int id);
/**
* 更新一本书
* @param book
* @return
*/
int updateBook(Books book);
/**
* 查询一本书
* @param id
* @return
*/
Books queryBookByID(int id);
/**
* 查询全部书
* @return
*/
List<Books> queryAllBook();
/**
* 通过名字查询书籍
* @param bookName
* @return
*/
Books queryBookByName(String bookName);
}
BookServiceImpl实现类
package com.yc.service;
import com.yc.dao.BookMapper;
import com.yc.pojo.Books;
import java.util.List;
/**
* @author yc_ on 2021/11/11.
* @version 1.0
*/
public class BookServiceImpl implements BookService{
private BookMapper bookMapper;
public void setBookMapper(BookMapper bookMapper) {
this.bookMapper = bookMapper;
}
@Override
public int addBook(Books book) {
return bookMapper.addBook(book);
}
@Override
public int deleteBookByID(int id) {
return bookMapper.deleteBookByID(id);
}
@Override
public int updateBook(Books book) {
return bookMapper.updateBook(book);
}
@Override
public Books queryBookByID(int id) {
return bookMapper.queryBookByID(id);
}
@Override
public List<Books> queryAllBook() {
return bookMapper.queryAllBook();
}
@Override
public Books queryBookByName(String bookName) {
return bookMapper.queryBookByName(bookName);
}
}
resource文件
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="srping-dao.xml"/>
<import resource="springservice.xml"/>
<import resource="spring-mvc.xml"/>
</beans>
database.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=123456
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>
<!-- 配置数据源 交给spring去做-->
<!-- <settings>-->
<!-- <setting name="logImpl" value="STDOUT_LOGGING"/>-->
<!-- </settings>-->
<typeAliases>
<package name="com.yc.pojo"/>
</typeAliases>
<mappers>
<mapper class="com.yc.dao.BookMapper"/>
</mappers>
</configuration>
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 https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 注解驱动-->
<mvc:annotation-driven/>
<!-- 静态资源过滤-->
<mvc:default-servlet-handler/>
<!-- 扫描包：com.yc.service-->
<context:component-scan base-package="com.yc.controller"/>
<!-- 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>
springservice.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">
<!-- 扫描service下的包-->
<context:component-scan base-package="com.yc.service"/>
<!-- 将所有业务类注入到spring，配置或注解-->
<bean id="bookServiceImpl" class="com.yc.service.BookServiceImpl">
<property name="bookMapper" ref="bookMapper"/>
</bean>
<!-- 声明式事务配置-->
<bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager" id="transactionManager">
<!-- 注入数据源-->
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- aop事务支持-->
</beans>
srping-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">
<!-- 关联数据库文件-->
<context:property-placeholder location="classpath:database.properties"/>
<!-- 连接池
dbcp:半自动化操作，不能自动连接
c3p0:自动化操作，自动化的加载配置文件，并且自动设置到对象中
druid
hikari
-->
<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>
<!-- 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>
<!-- 配置dao接口扫描包，动态实现dao接口注入到spring容器-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 注入SQLSessionFactory-->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!-- 要扫描的dao包-->
<property name="basePackage" value="com.yc.dao"/>
</bean>
</beans>
jsp文件
addBook.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>新增书籍</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- 引入 Bootstrap -->
<link href="https://cdn.bootcss.com/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="${pageContext.request.contextPath}/book/addBook" method="post">
书籍名称：<input type="text" name="bookName" required><br><br><br>
书籍数量：<input type="text" name="bookCounts" required><br><br><br>
书籍详情：<input type="text" name="detail" required><br><br><br>
<input type="submit" value="添加">
</form>
</div>
</body>
</html>
allBook.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<html>
<head>
<title>书籍展示</title>
<link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
<%-- bootstrap美化界面--%>
<style>
a{
text-decoration: none;
color: black;
font-size: 18px;
}
</style>
</head>
<body>
<div class="container">
<div class="row clearfix">
<div class="col-md-12 column">
<div class="page-header">
<h1>
<small>书籍列表 - 显示所有数据</small>
</h1>
</div>
</div>
<div class="row">
<%-- toAddBook--%>
<div class="col-md-4 column">
<a class="btn btn-primary" href="${pageContext.request.contextPath}/book/toAddBook">新增书籍</a>
<a class="btn btn-primary" href="${pageContext.request.contextPath}/book/allBook">显示全部书籍</a>
</div><div class="col-md-4 column"></div>
<div class="col-md-4 column">
<%--查询书籍--%>
<form action="${pageContext.request.contextPath}/book/queryBook" method="post" style="right: auto" class="form-inline">
<input type="text" name="queryBookName" class="form-control" placeholder="请输入要查询书籍的名称" style="width: 200px">
<input type="submit" value="查询" class="btn btn-primary">
</form>
</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>
<%-- 书籍从数据库中查询出来，从这个list中遍历出来 foreach--%>
<tbody>
<c:if test="${not empty list}" >
<c:forEach var="book" items="${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="${pageContext.request.contextPath}/book/del/${book.bookID}">删除</a>
</td>
</tr>
</c:forEach>
</c:if>
</tbody>
</table>
</div>
</div>
</div>
</body>
</html>
updateBook.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>修改信息</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- 引入 Bootstrap -->
<link href="https://cdn.bootcss.com/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>修改信息</small>
</h1>
</div>
</div>
</div>
<form action="${pageContext.request.contextPath}/book/updateBook" method="post">
<input type="hidden" name="bookID" value="${book.bookID}"/>
书籍名称：<input type="text" name="bookName" value="${book.bookName}"/>
书籍数量：<input type="text" name="bookCounts" value="${book.bookCounts}"/>
书籍详情：<input type="text" name="detail" value="${book.detail}"/>
<input type="submit" value="提交"/>
</form>
</div>
</body>
</html>
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: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>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>
<session-config>
<session-timeout>15</session-timeout>
</session-config>
</web-app>
pom.xml
依赖：
<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>8.0.25</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>3.5.7</version>
</dependency>
<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>5.3.12</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.3.12</version>
</dependency>
<!-- lombok-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.12</version>
</dependency>
</dependencies>
静态资源过滤
<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>