ssm整合

ssm整合

项目目录

jar

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"
	xmlns:mybatis-spring="http://mybatis.org/schema/mybatis-spring"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://mybatis.org/schema/mybatis-spring http://mybatis.org/schema/mybatis-spring-1.2.xsd
		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-4.3.xsd">
	<context:component-scan
		base-package="com.yjf.service"></context:component-scan>
	<bean id="propertyConfigurer"
		class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="location" value="classpath:db.properties" />
	</bean>
	<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="root" />
		<property name="password" value="root" />
		<property name="maxPoolSize" value="3"/>
	</bean>
<!-- 	<bean id="dataSource"
		class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<property name="driverClass" value="com.mysql.cj.jdbc.Driver" />
		<property name="jdbcUrl" value="jdbc:mysql://localhost:3306/ssm?autoReconnect=true&amp;failOverReadOnly=false&amp;characterEncoding=utf8&amp;useSSL=false&amp;serverTimezone=UTC&amp;rewriteBatchedStatements=true&amp;allowPublicKeyRetrieval=true" />
		<property name="user" value="root" />
		<property name="password" value="root" />
	</bean> -->

	<!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
	<bean id="sqlSessionFactory"
		class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="dataSource" ref="dataSource" />
		<!-- 自动扫描mapping.xml文件 -->
		<property name="mapperLocations"
			value="classpath:com/yjf/mapping/*.xml"></property>
	</bean>

	<!-- DAO接口所在包名，Spring会自动查找其下的类 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.yjf.dao" />
		<property name="sqlSessionFactoryBeanName"
			value="sqlSessionFactory"></property>
	</bean>

</beans>

SpringMvc-config.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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
		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-4.3.xsd">
	<context:component-scan base-package="com.yjf.controller"></context:component-scan>
	<mvc:annotation-driven></mvc:annotation-driven>
	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/views/"></property>
		<property name="suffix" value=".jsp"></property>
	</bean>
</beans>

db.properties

jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssm?autoReconnect=true&failOverReadOnly=false&characterEncoding=utf8&useSSL=false&serverTimezone=UTC&rewriteBatchedStatements=true&allowPublicKeyRetrieval=true
jdbc.username=root
jdbc.password=root

log4j.properties

log4j.rootLogger = debug,stdout
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = %5p  [%t]  - %m%n

StudentController.java

package com.yjf.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import com.yjf.entity.Student;
import com.yjf.service.StudentService;

@Controller
@RequestMapping("/student")
public class StudentController {
	@Autowired
	private StudentService studentservice;
	@RequestMapping("/all")
	public ModelAndView index() {
		List<Student> res = studentservice.queryAll();
		ModelAndView mv = new ModelAndView("index");
		mv.addObject("res",res);
		return mv;
	}
}

StudentMapper.java

package com.yjf.dao;

import java.util.List;

import org.springframework.stereotype.Repository;

import com.yjf.entity.Student;

@Repository
public interface StudentMapper {
	List<Student> queryAll();
}

Student.java

package com.yjf.entity;

public class Student {
	private int id;
	private String name;
	private int age;
	private String nickname;
	private String password;
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
	public String getNickname() {
		return nickname;
	}
	public void setNickname(String nickname) {
		this.nickname = nickname;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	
}

StudentMapper.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="com.yjf.dao.StudentMapper">
	<select id="queryAll" resultType="com.yjf.entity.Student" >
		select * from student
	</select>
	
	
</mapper>

index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>

<table border="1">
<c:forEach items="${requestScope.res }" var="stu">
	<tr>
		<td>${stu.id }</td>
		<td>${stu.name }</td>
		<td>${stu.age }</td>
		<td>${stu.nickname }</td>
		<td>${stu.password }</td>
	</tr>
	</c:forEach>
</table>


</body>
</html>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>SSMTest</display-name>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
	<servlet>
		<servlet-name>springDispatcherServlet</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:SpringMvc-config.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>springDispatcherServlet</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
  
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:ApplicationContext.xml</param-value>
	</context-param>
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
</web-app>

mysql数据库