文章目录
1. ssm整合
1.1 ssm整合思路
两两整合 spring整合springmvc 无缝对接 spring整合mybatis 让spring去管理mybatis中的对象
1.2 pom文件项目结构:
1.3 配置文件
1.3.1 pom文件
<?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.fightting</groupId>
<artifactId>ssm</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<dependencies>
<!--spring相关-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.7</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<!--servlet和jsp-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.0</version>
<scope>provided</scope>
</dependency>
<!--mybatis相关-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.5</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.9.0</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.0</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.9.0</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.10</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<!--maven插件-->
<plugins>
<!--jdk编译插件-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>utf-8</encoding>
</configuration>
</plugin>
<!--tomcat插件-->
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<!-- tomcat7的插件, 不同tomcat版本这个也不一样 -->
<artifactId>tomcat7-maven-plugin</artifactId>
<configuration>
<!-- 通过maven tomcat7:run运行项目时,访问项目的端口号 -->
<port>8080</port>
<!-- 项目访问路径 本例:localhost:9090, 如果配置的aa, 则访问路径为localhost:9090/aa-->
<path>/</path>
</configuration>
</plugin>
<!-- java编译插件 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
</plugins>
</build>
</project>
1.3.2 spring的配置文件: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"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!--扫描包-->
<context:component-scan base-package="com.fightting.service,com.fightting.dao"></context:component-scan>
<!--加载properties配置文件-->
<context:property-placeholder location="classpath:jdbc.properties"></context:property-placeholder>
<!--数据库数据源-->
<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}"/>
</bean>
<!--整合mybatis-->
<bean class="org.mybatis.spring.SqlSessionFactoryBean">
<!--数据源-->
<property name="dataSource" ref="dataSource"></property>
<!--加载配置文件-->
<property name="mapperLocations" value="classpath:com/fightting/dao/*.xml"></property>
<!--设置别名-->
<property name="typeAliasesPackage" value="com.fightting.pojo"></property>
</bean>
<!--扫描mapper所在的包,为mapper创建实现类-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.fightting.dao"></property>
</bean>
<!--事务的配置-->
<!--事务管理器-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!--配置事务增强-->
<tx:advice id="txadvice">
<tx:attributes>
<tx:method name="list*" propagation="REQUIRED" isolation="DEFAULT" timeout="-1" read-only="true"/>
<tx:method name="save*" propagation="REQUIRED" isolation="DEFAULT" timeout="-1" />
<tx:method name="update*" propagation="REQUIRED" isolation="DEFAULT" timeout="-1" />
<tx:method name="delete*" propagation="REQUIRED" isolation="DEFAULT" timeout="-1" />
</tx:attributes>
</tx:advice>
<!--切面-->
<aop:config>
<aop:advisor advice-ref="txadvice" pointcut="execution(* com.fightting.service..*.*(..))"></aop:advisor>
</aop:config>
</beans>
1.3.3 jdbc.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssmZH
jdbc.username=root
jdbc.password=root
数据库语句
CREATE TABLE `tb_user` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`user_name` varchar(20) NOT NULL,
`password` varchar(20) NOT NULL,
`name` varchar(30) DEFAULT NULL,
`age` int(11) DEFAULT NULL,
`email` varchar(50) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8
数据库表结构示例:
1.3.4 springmvc.xml
<?xml version="1.0" encoding="UTF-8" ?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
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
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!--扫描-->
<context:component-scan base-package="com.fightting.controller"></context:component-scan>
<!--mvc注解驱动-->
<mvc:annotation-driven/>
<!--视图解析器 这个主要看需求,可以不设置-->
<bean id="resourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/pages/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
</beans>
1.3.5 web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<!--spring容器加载-->
<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>
<!--springmvc前端控制器-->
<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.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!--post乱码请求设置-->
<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>
</filter>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
1.3.6 mybatis映射文件
UserMapper.xml.位置在resources下路径和dao的路径保持一致,注意在表示包结构时用/来区分.
<?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.fightting.dao.UserMapper">
<select id="findAll" resultType="user">
select id ,user_name userName ,name,age,password,email from tb_user
</select>
</mapper>
1.3.7 list.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<c:forEach var="user" items="${list}">
${user.id},${user.name}<br>
</c:forEach>
</body>
</html>
2. 项目的java文件
2.1 UserController
package com.fightting.controller;
import com.fightting.pojo.User;
import com.fightting.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;
import java.util.List;
@Controller
public class UserController {
@Autowired
private UserService userService;
@RequestMapping("/list")
public ModelAndView list(){
List<User> list = userService.list();
ModelAndView mv = new ModelAndView();
mv.addObject("list",list);
mv.setViewName("list");//WEB-INF/pages/list.jsp
return mv;
}
@RequestMapping("/list2")
@ResponseBody
public List<User> list2(){
List<User> list = userService.list();
return list;
}
}
2.2 dao的UserMapper
package com.fightting.dao;
import com.fightting.pojo.User;
import java.util.List;
public interface UserMapper {
public List<User> findAll();
}
2.3 实体类的pojo
package com.fightting.pojo;
public class User {
private Long id;
private String userName;
private String password;
private String name;
private int age;
private String email;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
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 getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
}
2.4 UserService接口:
package com.fightting.service;
import com.fightting.pojo.User;
import java.util.List;
public interface UserService {
public List<User> list();
}
2.5 UserServiceImpl
package com.fightting.service.impl;
import com.fightting.dao.UserMapper;
import com.fightting.pojo.User;
import com.fightting.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class UserServiceImpl implements UserService {
@Autowired
private UserMapper userMapper;
public List<User> list() {
return userMapper.findAll();
}
}
3.启动项目:
添加本地项目到tomcat
<<tomcat配置>>的2.1 IDEA关联Tomcat与2.2 手动添加Tomcat到当前项目.
访问路径1:http://localhost:8080/list2 :返回jason格式数据;
访问路径2:http://localhost:8080/list :返回ModelAndView视图;