本文介绍了一个基于MyBatis与SpringMVC集成的实战案例，从配置MyBatis到完成JUnit测试，再到SpringMVC的搭建与日志记录的配置，最后通过测试验证整个流程的成功。
摘要
接上一篇！
com.cx.bank.dao/UserDao.java(dao操作接口)
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package
com.cx.bank.dao;
import
org.springframework.stereotype.Component;
import
com.cx.bank.po.User;
@Component
(value=
"userDao"
)
public
interface
UserDao {
/**
*
*@liyixiang
*@2014-10-20
*@param:
*@return:int
*@TODO: 添加新用户
* @param user
* @return
*/
public
int
addUser(User user);
}
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com.cx.bank.service/UserService.java(service层接口)
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package
com.cx.bank.service;
import
com.cx.bank.po.User;
public
interface
UserService {
public
int
register(User user);
}
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com.cx.bank.service.impl/UserServiceImpl.java(service层接口实现)
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package
com.cx.bank.service.impl;
import
javax.annotation.Resource;
import
org.springframework.beans.factory.annotation.Autowired;
import
org.springframework.stereotype.Service;
import
com.cx.bank.dao.UserDao;
import
com.cx.bank.po.User;
import
com.cx.bank.service.UserService;
@Service
(value=
"userServiceImpl"
)
public
class
UserServiceImpl
implements
UserService {
@Resource
(name=
"userDao"
)
private
UserDao userDao;
@Override
public
int
register(User user) {
// TODO Auto-generated method stub
return
userDao.addUser(user);
}
}
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6. mybatis配置
conf/mybatis-config.xml(mybatis配置的基本文件)
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<?xml version=
"1.0"
encoding=
"UTF-8"
?>
<!DOCTYPE configuration
PUBLIC
"-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd"
>
<configuration>
<!-- 命名空间 -->
<typeAliases>
<typeAlias alias=
"User"
type=
"com.cx.bank.po.User"
/>
</typeAliases>
<!-- 映射map -->
<mappers>
</mappers>
</configuration>
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conf/mapper/UserMapper.xml(mybatis的实现)
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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=
"com.cx.bank.dao.UserDao"
>
<insert id=
"addUser"
parameterType=
"User"
keyProperty=
"id"
>
insert into t_user(username,password,money) values
(#{username},#{password},#{money})
</insert>
</mapper>
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7. junit测试插入功能
com.cx.bank.test/UserTests.java(用户测试模块)
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package
com.cx.bank.test;
import
org.junit.Before;
import
org.junit.Test;
import
org.springframework.context.ApplicationContext;
import
org.springframework.context.support.ClassPathXmlApplicationContext;
import
com.cx.bank.po.User;
import
com.cx.bank.service.UserService;
public
class
UserTests{
private
UserService userService;
@Before
public
void
before(){
@SuppressWarnings
(
"resource"
)
ApplicationContext context =
new
ClassPathXmlApplicationContext(
new
String[]{
"classpath:conf/spring.xml"
,
"classpath:conf/spring-mybatis.xml"
});
userService = (UserService) context.getBean(
"userServiceImpl"
);
}
@Test
public
void
addUser(){
User user =
new
User();
user.setUsername(
"lyx"
);
user.setPassword(
"123456"
);
user.setMoney(
10
);
System.out.println(userService.register(user));
}
}
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测试成功！
8. springMVC模块搭建
web.xml（web功能配置）
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<?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"
xmlns:web=
"http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
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"
>
<display-name>Archetype Created Web Application</display-name>
<!-- 读取spring配置文件 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:conf/spring.xml;
classpath:conf/spring-mybatis.xml
</param-value>
</context-param>
<!-- 设计路径变量值 -->
<context-param>
<param-name>webAppRootKey</param-name>
<param-value>springmvc.root</param-value>
</context-param>
<!-- Spring字符集过滤器 -->
<filter>
<filter-name>SpringEncodingFilter</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>SpringEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 日志记录 -->
<context-param>
<!-- 日志配置文件路径 -->
<param-name>log4jConfigLocation</param-name>
<param-value>classpath:conf/log4j.properties</param-value>
</context-param>
<context-param>
<!-- 日志页面的刷新间隔 -->
<param-name>log4jRefreshInterval</param-name>
<param-value>
6000
</param-value>
</context-param>
<listener>
<listener-
class
>org.springframework.web.util.Log4jConfigListener</listener-
class
>
</listener>
<listener>
<listener-
class
>org.springframework.web.context.ContextLoaderListener</listener-
class
>
</listener>
<!-- springMVC核心配置 -->
<servlet>
<servlet-name>spring</servlet-name>
<servlet-
class
>org.springframework.web.servlet.DispatcherServlet</servlet-
class
>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:conf/spring-mvc.xml</param-value>
</init-param>
<load-on-startup>
2
</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>spring</servlet-name>
<url-pattern>*.
do
</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- 错误跳转页面 -->
<error-page>
<!-- 路径不正确 -->
<error-code>
404
</error-code>
<location>/WEB-INF/errorpage/
404
.jsp</location>
</error-page>
<error-page>
<!-- 没有访问权限，访问被禁止 -->
<error-code>
405
</error-code>
<location>/WEB-INF/errorpage/
405
.jsp</location>
</error-page>
<error-page>
<!-- 内部错误 -->
<error-code>
500
</error-code>
<location>/WEB-INF/errorpage/
500
.jsp</location>
</error-page>
</web-app>
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conf/spring-mvc.xml(mvc配置文件)
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<?xml version=
"1.0"
encoding=
"UTF-8"
?>
<beans xmlns=
"http://www.springframework.org/schema/beans"
xmlns:p=
"http://www.springframework.org/schema/p"
xmlns:xsi=
"http://www.w3.org/2001/XMLSchema-instance"
xmlns:context=
"http://www.springframework.org/schema/context"
xmlns:mvc=
"http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http:
//www.springframework.org/schema/beans
http:
//www.springframework.org/schema/beans/spring-beans-3.2.xsd
http:
//www.springframework.org/schema/context
http:
//www.springframework.org/schema/context/spring-context-3.2.xsd
http:
//www.springframework.org/schema/mvc
http:
//www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
<!-- 扫描controller（controller层注入） -->
<context:component-scan base-
package
=
"com.cx.bank.controller"
/>
<!-- 避免IE在ajax请求时，返回json出现下载
<bean id=
"jacksonMessageConverter"
class
=
"org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"
>
<property name=
"supportedMediaTypes"
>
<list>
<value>text/html;charset=UTF-
8
</value>
</list>
</property>
</bean>
-->
<!-- 对模型视图添加前后缀 -->
<bean id=
"viewResolver"
class
=
"org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix=
"/WEB-INF/jsp/"
p:suffix=
".jsp"
/>
</beans>
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9. log4j日志记录搭建
conf/log4j.properties(日志记录的配置文件)
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### set log levels ###
#log4j.rootLogger = debug , stdout , D , E
log4j.rootLogger = debug , stdout , D
### output to the console ###
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
#log4j.appender.stdout.layout.ConversionPattern = %d{ABSOLUTE} %5p %c{
1
}:%L - %m%n
log4j.appender.stdout.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [%c]-[%p] %m%n
### Output to the log file ###
log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
log4j.appender.D.File = ${springmvc.root}/WEB-INF/logs/error.log
log4j.appender.D.Append =
true
log4j.appender.D.Threshold = ERROR
log4j.appender.D.layout = org.apache.log4j.PatternLayout
log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n
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10. 测试运行
WEB-INF/jsp/index.jsp(测试文件)
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<%@ page language=
"java"
import
=
"java.util.*"
pageEncoding=
"UTF-8"
%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+
"://"
+request.getServerName()+
":"
+request.getServerPort()+path+
"/"
;
%>
<!DOCTYPE HTML PUBLIC
"-//W3C//DTD HTML 4.01 Transitional//EN"
>
<html>
<head>
<base href=
"<%=basePath%>"
>
<title>My JSP
'index.jsp'
starting page</title>
<meta http-equiv=
"pragma"
content=
"no-cache"
>
<meta http-equiv=
"cache-control"
content=
"no-cache"
>
<meta http-equiv=
"expires"
content=
"0"
>
<meta http-equiv=
"keywords"
content=
"keyword1,keyword2,keyword3"
>
<meta http-equiv=
"description"
content=
"This is my page"
>
<!--
<link rel=
"stylesheet"
type=
"text/css"
href=
"styles.css"
>
-->
</head>
<body>
<h1>欢迎你！！！</h1>
</body>
</html>
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com.cx.bank.controller/UserController.java(controller层控制)
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package
com.cx.bank.controller;
import
org.springframework.stereotype.Controller;
import
org.springframework.web.bind.annotation.RequestMapping;
@Controller
@RequestMapping
(
"/"
)
public
class
UserController {
@RequestMapping
(
"index"
)
public
String index(){
return
"index"
;
}
}
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测试成功！
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