用struts2 + spring3 + mybatis3做项目
2015-06-04 11:41
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公司要用struts2 + spring3 + mybatis3做项目，尝试着在家鼓捣了一下。
1. 框架下载
struts2: http://struts.apache.org/ 下载 struts-2.3.14-all.zip
spring3: http://www.springsource.org/spring-framework 下载 spring-framework-3.2.2-dist.zip
mybatis3: http://code.google.com/p/mybatis/ 下载 mybatis-3.2.2.zip 和 mybatis-spring-1.2.0-bundle.zip
2. 建示例工程
在Eclipse中新建示例工程，步骤就不详述了，我把工程取名为ssm_example。
3. struts2配置
3.1 src下创建struts.xml配置文件
[html] view
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.devMode" value="true" />
<package name="basic" extends="struts-default">
<action name="index" class="cn.ssm.sample.action.IndexAction" method="execute">
<result name="success">/WEB-INF/jsp/Index.jsp</result>
</action>
</package>
</struts>
3.2 修改web.xml
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<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
3.3 从解压的struts-2.3.14-all的lib文件夹下，挑选了必须的和比较常用的jar包，放入WEB-INF/lib的文件夹下
[html] view
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commons-fileupload-1.2.2.jar
commons-io-2.0.1.jar
commons-lang-2.4.jar
commons-lang3-3.1.jar
commons-logging-1.1.1.jar
commons-logging-api-1.1.jar
freemarker-2.3.19.jar
javassist-3.11.0.GA.jar
ognl-3.0.6.jar
struts2-core-2.3.14.jar
xwork-core-2.3.14.jar
3.4 建个测试用的IndexAction.java和Index.jsp
[java] view
plaincopy
package cn.ssm.sample.action;
import com.opensymphony.xwork2.ActionSupport;
public class IndexAction extends ActionSupport{
@Override
public String execute() throws Exception {
// TODO Auto-generated method stub
return super.execute();
}
}
[html] view
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
Hello world!
</body>
</html>
3.5 测试struts2
运行服务，在浏览器输入http://localhost:8080/ssm_example/index，如果配置没有错误，那么会出现Hello world！
4. spring3配置
4.1 config/spring下创建applicationContext.xml配置文件
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<?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:jdbc="http://www.springframework.org/schema/jdbc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
<!-- enable component scanning (beware that this does not enable mapper
scanning!) -->
<context:component-scan
base-package="cn.ssm.sample.action,cn.ssm.sample.service" />
<!-- enable autowire -->
<context:annotation-config />
<!-- enable transaction demarcation with annotations -->
<tx:annotation-driven />
</beans>
4.2 修改web.xml
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<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/classes/applicationContext.xml
</param-value>
</context-param>
4.3 添加相关jar包
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aopalliance-1.0.jar
spring-aop-3.2.2.RELEASE.jar
spring-beans-3.2.2.RELEASE.jar
spring-context-3.2.2.RELEASE.jar
spring-core-3.2.2.RELEASE.jar
spring-expression-3.2.2.RELEASE.jar
spring-jdbc-3.2.2.RELEASE.jar
spring-tx-3.2.2.RELEASE.jar
spring-web-3.2.2.RELEASE.jar
struts2-spring-plugin-2.3.14.jar
4.4 修改struts.xml文件
添加：<constant name="struts.objectFactory" value="spring"></constant>
并且把class="cn.ssm.sample.action.IndexAction"改成class="indexAction"
4.5 修改Action
在IndexAction的类上，加上@Controller，这样Spring就能自动实例化成indexAction对象了。
4.6 测试spring
运行服务，在浏览器输入http://localhost:8080/ssm_example/index，如果配置没有错误，那么依然会出现Hello
world！
5. mybatis3配置
5.1 数据库准备
这里采用mysql，下面的sql文来运行。
[sql] view
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CREATE SCHEMA `ssmsample` DEFAULT CHARACTER SET utf8 ;
CREATE TABLE `ssmsample`.`user` (`id` INT NOT NULL AUTO_INCREMENT, `name` VARCHAR(45) NULL, PRIMARY KEY('id') );
INSERT INTO `ssmsample`.`user` (`id`,`name`) VALUES (1,'Ethan');
5.2 修改applicationContext.xml
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<!-- 数据源配置 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
<property name="url"
value="jdbc:mysql://localhost:3306/ssmsample?useUnicode=true&characterEncoding=utf8"></property>
<property name="username" value="root"></property>
<property name="password" value="admin"></property>
</bean>
<!-- transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- define the SqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="typeAliasesPackage" value="cn.ssm.sample.dto" />
</bean>
<!-- scan for mappers and let them be autowired -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="cn.ssm.sample.dao" />
</bean>
5.3 创建和修改相关类
UserMapper.java
[java] view
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package cn.ssm.sample.dao;
import cn.ssm.sample.dto.User;
public interface UserMapper {
User getUser(int id);
}
UserMapper.xml（和UserMapper.java同目录）
[html] view
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<?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="cn.ssm.sample.dao.UserMapper">
<select id="getUser" parameterType="int" resultType="User">
SELECT *
From user where id = #{id}
</select>
</mapper>
User.java
[java] view
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package cn.ssm.sample.dto;
public class User {
int id;
String name;
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;
}
}
IndexSvr.java
[java] view
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package cn.ssm.sample.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import cn.ssm.sample.dao.UserMapper;
import cn.ssm.sample.dto.User;
@Service
public class IndexSvr {
@Autowired
UserMapper userMapper;
public User getUser(int id) {
return userMapper.getUser(id);
}
}
IndexAction.java
[java] view
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package cn.ssm.sample.action;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import cn.ssm.sample.dto.User;
import cn.ssm.sample.service.IndexSvr;
import com.opensymphony.xwork2.ActionSupport;
@Controller
public class IndexAction extends ActionSupport{
private User user;
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
@Autowired
IndexSvr indexSvr;
@Override
public String execute() throws Exception {
user = indexSvr.getUser(1);
return super.execute();
}
}
index.jsp
[html] view
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
Hello world! ${user.name }
</body>
</html>
5.4 添加jar包
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commons-dbcp-1.4.jar
commons-pool-1.6.jar
mybatis-3.2.2.jar
mybatis-spring-1.2.0.jar
mysql-connector-java-5.1.13-bin.jar
5.5 测试ssm
运行服务，在浏览器输入http://localhost:8080/ssm_example/index，如果配置没有错误，那么依然会出现Hello
world！Ethan
1. 框架下载
struts2: http://struts.apache.org/ 下载 struts-2.3.14-all.zip
spring3: http://www.springsource.org/spring-framework 下载 spring-framework-3.2.2-dist.zip
mybatis3: http://code.google.com/p/mybatis/ 下载 mybatis-3.2.2.zip 和 mybatis-spring-1.2.0-bundle.zip
2. 建示例工程
在Eclipse中新建示例工程，步骤就不详述了，我把工程取名为ssm_example。
3. struts2配置
3.1 src下创建struts.xml配置文件
[html] view
plaincopy
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.devMode" value="true" />
<package name="basic" extends="struts-default">
<action name="index" class="cn.ssm.sample.action.IndexAction" method="execute">
<result name="success">/WEB-INF/jsp/Index.jsp</result>
</action>
</package>
</struts>
3.2 修改web.xml
[html] view
plaincopy
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
3.3 从解压的struts-2.3.14-all的lib文件夹下，挑选了必须的和比较常用的jar包，放入WEB-INF/lib的文件夹下
[html] view
plaincopy
commons-fileupload-1.2.2.jar
commons-io-2.0.1.jar
commons-lang-2.4.jar
commons-lang3-3.1.jar
commons-logging-1.1.1.jar
commons-logging-api-1.1.jar
freemarker-2.3.19.jar
javassist-3.11.0.GA.jar
ognl-3.0.6.jar
struts2-core-2.3.14.jar
xwork-core-2.3.14.jar
3.4 建个测试用的IndexAction.java和Index.jsp
[java] view
plaincopy
package cn.ssm.sample.action;
import com.opensymphony.xwork2.ActionSupport;
public class IndexAction extends ActionSupport{
@Override
public String execute() throws Exception {
// TODO Auto-generated method stub
return super.execute();
}
}
[html] view
plaincopy
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
Hello world!
</body>
</html>
3.5 测试struts2
运行服务，在浏览器输入http://localhost:8080/ssm_example/index，如果配置没有错误，那么会出现Hello world！
4. spring3配置
4.1 config/spring下创建applicationContext.xml配置文件
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<?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:jdbc="http://www.springframework.org/schema/jdbc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
<!-- enable component scanning (beware that this does not enable mapper
scanning!) -->
<context:component-scan
base-package="cn.ssm.sample.action,cn.ssm.sample.service" />
<!-- enable autowire -->
<context:annotation-config />
<!-- enable transaction demarcation with annotations -->
<tx:annotation-driven />
</beans>
4.2 修改web.xml
[html] view
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<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/classes/applicationContext.xml
</param-value>
</context-param>
4.3 添加相关jar包
[html] view
plaincopy
aopalliance-1.0.jar
spring-aop-3.2.2.RELEASE.jar
spring-beans-3.2.2.RELEASE.jar
spring-context-3.2.2.RELEASE.jar
spring-core-3.2.2.RELEASE.jar
spring-expression-3.2.2.RELEASE.jar
spring-jdbc-3.2.2.RELEASE.jar
spring-tx-3.2.2.RELEASE.jar
spring-web-3.2.2.RELEASE.jar
struts2-spring-plugin-2.3.14.jar
4.4 修改struts.xml文件
添加：<constant name="struts.objectFactory" value="spring"></constant>
并且把class="cn.ssm.sample.action.IndexAction"改成class="indexAction"
4.5 修改Action
在IndexAction的类上，加上@Controller，这样Spring就能自动实例化成indexAction对象了。
4.6 测试spring
运行服务，在浏览器输入http://localhost:8080/ssm_example/index，如果配置没有错误，那么依然会出现Hello
world！
5. mybatis3配置
5.1 数据库准备
这里采用mysql，下面的sql文来运行。
[sql] view
plaincopy
CREATE SCHEMA `ssmsample` DEFAULT CHARACTER SET utf8 ;
CREATE TABLE `ssmsample`.`user` (`id` INT NOT NULL AUTO_INCREMENT, `name` VARCHAR(45) NULL, PRIMARY KEY('id') );
INSERT INTO `ssmsample`.`user` (`id`,`name`) VALUES (1,'Ethan');
5.2 修改applicationContext.xml
[html] view
plaincopy
<!-- 数据源配置 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
<property name="url"
value="jdbc:mysql://localhost:3306/ssmsample?useUnicode=true&characterEncoding=utf8"></property>
<property name="username" value="root"></property>
<property name="password" value="admin"></property>
</bean>
<!-- transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- define the SqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="typeAliasesPackage" value="cn.ssm.sample.dto" />
</bean>
<!-- scan for mappers and let them be autowired -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="cn.ssm.sample.dao" />
</bean>
5.3 创建和修改相关类
UserMapper.java
[java] view
plaincopy
package cn.ssm.sample.dao;
import cn.ssm.sample.dto.User;
public interface UserMapper {
User getUser(int id);
}
UserMapper.xml（和UserMapper.java同目录）
[html] view
plaincopy
<?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="cn.ssm.sample.dao.UserMapper">
<select id="getUser" parameterType="int" resultType="User">
SELECT *
From user where id = #{id}
</select>
</mapper>
User.java
[java] view
plaincopy
package cn.ssm.sample.dto;
public class User {
int id;
String name;
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;
}
}
IndexSvr.java
[java] view
plaincopy
package cn.ssm.sample.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import cn.ssm.sample.dao.UserMapper;
import cn.ssm.sample.dto.User;
@Service
public class IndexSvr {
@Autowired
UserMapper userMapper;
public User getUser(int id) {
return userMapper.getUser(id);
}
}
IndexAction.java
[java] view
plaincopy
package cn.ssm.sample.action;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import cn.ssm.sample.dto.User;
import cn.ssm.sample.service.IndexSvr;
import com.opensymphony.xwork2.ActionSupport;
@Controller
public class IndexAction extends ActionSupport{
private User user;
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
@Autowired
IndexSvr indexSvr;
@Override
public String execute() throws Exception {
user = indexSvr.getUser(1);
return super.execute();
}
}
index.jsp
[html] view
plaincopy
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
Hello world! ${user.name }
</body>
</html>
5.4 添加jar包
[html] view
plaincopy
commons-dbcp-1.4.jar
commons-pool-1.6.jar
mybatis-3.2.2.jar
mybatis-spring-1.2.0.jar
mysql-connector-java-5.1.13-bin.jar
5.5 测试ssm
运行服务，在浏览器输入http://localhost:8080/ssm_example/index，如果配置没有错误，那么依然会出现Hello
world！Ethan
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