springmvc 项目完整示例02 项目创建-eclipse创建动态web项目 配置文件 junit单元测试

包结构

所需要的jar包直接拷贝到lib目录下

然后选定 build path

之后开始写项目代码

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:context="http://www.springframework.org/schema/context"

xmlns:p="http://www.springframework.org/schema/p"

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-4.2.xsd

http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.2.xsd

http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.2.xsd

http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd">

<!--扫描类包,标注spring注解的类自动转换成bean,同时完成bean的注入 (这样类中定义的spring注解 比如@repository @autowired等才能起作用) -->

<context:component-scan base-package="com.bbs.dao" />

<!--扫描service包,应用spring注解配置 -->

<context:component-scan base-package="com.bbs.service" />

<!--配置事务管理器 -->

<bean id= "transactionManager"

class="org.springframework.jdbc.datasource.DataSourceTransactionManager"

p:dataSource-ref="dataSource"

/>

<!-- 通过AOP配置提供事务增强,让service包下所有的bean的所有方法拥有事务 -->

<aop:config proxy-target-class="true">

<aop:pointcut id="serviceMethod"

expression="execution(* com.bbs.service..*(..))" />

<aop:advisor pointcut-ref="serviceMethod" advice-ref="txAdvice"/>

</aop:config>

<tx:advice id="txAdvice" transaction-manager="transactionManager">

<tx:attributes>

<tx:method name="*" />

</tx:attributes>

</tx:advice>

<!-- 定义一个使用DBCP实现的数据源 -->

<bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource"

destroy-method="close"

p:driverClassName="com.mysql.jdbc.Driver"

p:url="jdbc:mysql://localhost:3306/sampledb"

p:username="root"

p:password="123456"/>

<!--定义jdbc模板bean -->

<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"

p:dataSource-ref="dataSource"/>

</beans>

两个实体

User.java

package com.bbs.domain;

import java.io.Serializable;

import java.util.Date;

public class User implements Serializable{

/**

*

*/

private static final long serialVersionUID = 1L;

private int userId;

private String userName;

private String password;

private int credits;

private String lastIp;

private Date lastVisit;

public int getUserId() {

return userId;

}

public void setUserId(int userId) {

this.userId = userId;

}

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 int getCredits() {

return credits;

}

public void setCredits(int credits) {

this.credits = credits;

}

public String getLastIp() {

return lastIp;

}

public void setLastIp(String lastIp) {

this.lastIp = lastIp;

}

public Date getLastVisit() {

return lastVisit;

}

public void setLastVisit(Date lastVisit) {

this.lastVisit = lastVisit;

}

}

LoginLog.java

package com.bbs.domain;

import java.io.Serializable;

import java.util.Date;

public class LoginLog implements Serializable{

/**

*

*/

private static final long serialVersionUID = 1L;

private int loginLogId;

private int userId;

private String ip;

private Date loginDate;

public int getLoginLogId() {

return loginLogId;

}

public void setLoginLogId(int loginLogId) {

this.loginLogId = loginLogId;

}

public int getUserId() {

return userId;

}

public void setUserId(int userId) {

this.userId = userId;

}

public String getIp() {

return ip;

}

public void setIp(String ip) {

this.ip = ip;

}

public Date getLoginDate() {

return loginDate;

}

public void setLoginDate(Date loginDate) {

this.loginDate = loginDate;

}

}

两个dao(用的jdbcTemplate)

LoginLogDao.java

package com.bbs.dao;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.jdbc.core.JdbcTemplate;

import org.springframework.stereotype.Repository;

import com.bbs.domain.LoginLog;

@Repository

public class LoginLogDao {

@Autowired

private JdbcTemplate jdbcTemplate;

public void insertLoginLog(LoginLog loginLog){

String sqlString ="INSERT INTO t_login_log(user_id,ip,login_datetime)"

+"VALUE(?,?,?)";

Object[] args={loginLog.getUserId(),loginLog.getIp(),loginLog.getLoginDate()};

jdbcTemplate.update(sqlString, args);

}

}

 

UserDao.java

package com.bbs.dao;

import java.sql.ResultSet;

import java.sql.SQLException;

import org.omg.CORBA.PUBLIC_MEMBER;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.jdbc.core.JdbcTemplate;

import org.springframework.jdbc.core.RowCallbackHandler;

import org.springframework.stereotype.Repository;

import com.bbs.domain.User;

@Repository

public class UserDao {

@Autowired

private JdbcTemplate jdbcTemplate;

public int getMatchCount(String userName,String password){

String sqlString="SELECT count(*) FROM t_user "

+"WHERE user_name=? and password=?";

return jdbcTemplate.queryForObject(sqlString,new Object[]{ userName,password}, java.lang.Integer.class);

}

public User findUserByUserName(final String userName){

String sqlString ="SELECT user_id,user_name,credits "

+"FROM t_user WHERE user_name=?";

final User user = new User();

jdbcTemplate.query(sqlString, new Object[]{userName},

new RowCallbackHandler() {

@Override

public void processRow(ResultSet rs) throws SQLException {

// TODO Auto-generated method stub

user.setUserId(rs.getInt("user_id"));

user.setUserName(userName);

user.setCredits(rs.getInt("credits"));

}

});

return user;

}

public void updateLoginInfo(User user){

String sqlString="UPDATE t_user SET last_visit=?,last_ip=?,credits=?"

+"WHERE user_id=?";

jdbcTemplate.update(sqlString,new Object[]{user.getLastVisit(),user.getLastIp(),user.getCredits(),user.getUserId()});

}

}

还有一个service

UserService.java

 

package com.bbs.service;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import com.bbs.dao.LoginLogDao;

import com.bbs.dao.UserDao;

import com.bbs.domain.LoginLog;

import com.bbs.domain.User;

@Service

public class UserService {

@Autowired

private UserDao userDao;

@Autowired

private LoginLogDao loginLogDao;

public boolean hasMatchUser(String userName,String password){

int matchCount = userDao.getMatchCount(userName, password);

return matchCount > 0 ;

}

public User findUserByUserName(String userName){

return userDao.findUserByUserName(userName);

}

public void loginSucess(User user){

user.setCredits(5+user.getCredits());

LoginLog loginLog = new LoginLog();

loginLog.setUserId(user.getUserId());

loginLog.setIp(user.getLastIp());

loginLog.setLoginDate(user.getLastVisit());

userDao.updateLoginInfo(user);

loginLogDao.insertLoginLog(loginLog);

}

}

至此后台代码完毕

增加一个测试函数

TestUserService.java

 

package test.bbs.service;

import static org.junit.Assert.*;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.test.context.ContextConfiguration;

import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.bbs.domain.User;

import com.bbs.service.UserService;

@RunWith(SpringJUnit4ClassRunner.class)

@ContextConfiguration(locations={"/applicationContext.xml"})

public class TestUserService {

@Autowired

private UserService userService;

@Test

public void hasMAtchUser(){

boolean b1 = userService.hasMatchUser("admin", "123456");

boolean b2 = userService.hasMatchUser("admin", "11111");

assertTrue(b1);

//assertTrue(b2);

}

@Test

public void findUserByUserName(){

User user = userService.findUserByUserName("admin");

assertEquals(user.getUserName(),"admin");

}

}

运行测试,run  as JUnit test

测试成功

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