最近没事搭建了一下springmvc+Spring+mybatis的框架
1.首先使用eclipse创建maven项目
pom.xml
<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.share</groupId>
<artifactId>ssm_me</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<!-- spring的版本号 -->
<org.springframework.version>4.1.6.RELEASE</org.springframework.version>
<!-- mybatis版本号 -->
<mybatis.version>3.3.0</mybatis.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-oxm</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- mybatis核心包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- mybatis/spring包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.2</version>
</dependency>
<!-- 导入java ee jar 包 -->
<!-- 导入Mysql数据库链接jar包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.35</version>
</dependency>
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5-pre10</version>
</dependency>
<!-- JSTL标签类 -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- 日志文件管理包 -->
<!-- log start -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<!-- 格式化对象，方便输出日志 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.1.41</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.12</version>
</dependency>
<!-- log end -->
<!-- 映入JSON -->
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<!-- 上传组件包 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.9</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-servlet-api</artifactId>
<version>8.0.23</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-support</artifactId>
<version>2.0.8</version>
</dependency>
</dependencies>
</project>
2.创建配置文件
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" version="3.1">
<!-- spring配置文件加载 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:beans.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- springmvc配置文件加载 -->
<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>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- spring内置编码解决 -->
<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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
jdbc.properties
jdbc.driverClassName=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/learn?autoReconnect=true&useUnicode=true&characterEncoding=UTF-8 jdbc.username=root jdbc.password=root
beans.xml(Spring配置文件)
<?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"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
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
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 ">
<!-- 支持注解 -->
<context:annotation-config/>
<!-- 组件扫描 -->
<context:component-scan base-package="com.share.*"/>
<!--数据库配置:配置jdbc.properties -->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 3、配置dataSource数据源c3p0 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driverClassName}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<!-- <property name="maxPoolSize" value="${c3p0.pool.maxPoolSize}"/>
<property name="minPoolSize" value="${c3p0.pool.minPoolSize}"/>
<property name="initialPoolSize" value="${c3p0.pool.initialPoolSize}"/>
<property name="acquireIncrement" value="${c3p0.pool.acquireIncrement}"/> -->
</bean>
<!-- mybatis配置文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<!-- 自动扫描mapping.xml文件 -->
<property name="mapperLocations" value="classpath:com/share/mapping/*.xml"></property>
<!-- <property name="configLocations" value="classpath:mybatis.xml"/> -->
<!-- 定义包的别名 -->
<property name="typeAliasesPackage" value="com.share.domain"></property>
</bean>
<!-- DAO接口所在包名，Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.share.dao" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
</beans>
log4j.properties
log4j.rootLogger=INFO,stdout,file
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout.ConversionPattern=%-d{yyyy-MM-dd HH\:mm\:ss,SSS} [%c]-[%p] %m%n
log4j.appender.file=org.apache.log4j.DailyRollingFileAppender
log4j.appender.file.File=${spring_springmvc_jpa.root}/shirodemo.log
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} [%t] [%c] [%p] - %m%n
log4j.logger.org.hibernate.tool.hbm2ddl=info
3.代码：
实体类User.java
package com.share.domain;
/**
* @author caifan
*
* 2015年5月28日
*/
public class User implements Serializable {
private static final long serialVersionUID = 1L;
private long id;//用户id
private String username;//用户名
private int age;//用户年龄
private Date birthday;//用户生日
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public User() {
super();
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public Date getBirthday() {
return birthday;
}
public void setBirthday(Date birthday) {
this.birthday = birthday;
}
public User(String username, int age, Date birthday) {
super();
this.username = username;
this.age = age;
this.birthday = birthday;
}
@Override
public String toString() {
return "User [username=" + username + ", age=" + age + ", birthday="
+ birthday + "]";
}
}
mybatis的映射文件：
<?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.share.dao.UserMapper">
<resultMap type="User" id="userResultMap">
<id property="id" column="id"/>
<result property="username" column="username"/>
<result property="age" column="age"/>
<result property="birthday" column="birthday"/>
</resultMap>
<select id="findById" parameterType="int" resultType="User" resultMap="userResultMap">
select * from user where id=#{id}
</select>
</mapper>
此处只写了一个映射方法，简单的通用的方法可以直接使用注解方式
UserMapper.java
注意：此处的方法名需与映射文件中的id对应
public interface UserMapper {
/**
* 根据用户id查询用户
*/
public User findById(Integer id);
/**
* 查询所有的用户
*/
@Select("select * from user")
public List<User> findAllUser();
}
UserService.java
@Service
public class UserService implements IUserService {
@Autowired
UserMapper userMapper;
/**
* 通过用户id查询用户信息
*/
@Override
public User findById(Integer id) {
return userMapper.findById(id);
}
/**
* 查询所有的用户
*/
@Override
public List<User> findAllUser() {
return userMapper.findAllUser();
}
}
Controller层
@Controller
public class UserController {
@Autowired
IUserService userService;
@RequestMapping(value="/index")
public String init(HttpServletRequest request) {
String parameter = request.getParameter("id");
User user = null;
//if(parameter != null && parameter.trim().length() > 0) {
//user = userService.findById(Integer.valueOf(parameter));
user = userService.findById(1);
//}
request.setAttribute("user", user);
return "/test";
}
/**
* 查询所有用户信息
*/
@RequestMapping(value="/allUser")
public String getAllUser(HttpServletRequest request) {
List<User> allUser = userService.findAllUser();
if(allUser != null && allUser.size() > 0) {
request.setAttribute("userList", allUser);
}
return "/users";
}
}
页面见附件，没什么大用处，只是作为测试demo
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