SSM框架之整合(Maven实例)

package cn.mapper;

import cn.entity.User;

public interface UserMapper {

    
    public User selectUserInfo(String userName);
}

<?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.mapper.UserMapper">

select id="selectUserInfo" parameterType="String" resultType="User">
select * from `user` where userName=#{userName}

</selectmapper>

 cn.service;

 UserService {

    
     User selectUserInfo(String userName);
}

 cn.service.impl;

 org.springframework.beans.factory.annotation.Autowired;
 org.springframework.stereotype.Service;

 cn.entity.User;
 cn.mapper.UserMapper;
 cn.service.UserService;

@Service
class UserServiceImpl implements UserService {
    
    @Autowired
    private UserMapper userMapper;
    
    @Override
     User selectUserInfo(String userName) {
        // TODO Auto-generated method stub
        return userMapper.selectUserInfo(userName);
    }

}

 cn.test;

 org.junit.Test;
 org.junit.runner.RunWith;
 org.springframework.test.context.ContextConfiguration;
 org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

 cn.mapper.UserMapper;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:application-config.xml")
 JunitTest {

    
    @Autowired
     UserMapper userMapper;
    
    @Test
    void testName() throws Exception {
        
        User user = userMapper.selectUserInfo("youcong");
        System.out.println(user.getPassWord());
        
    }
}

beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
    xmlns:c="http://www.springframework.org/schema/c" xmlns:util="http://www.springframework.org/schema/util"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:ehcache="http://www.springmodules.org/schema/ehcache"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd  
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.1.xsd  
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd  
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd  
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd  
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd  
        http://www.springmodules.org/schema/ehcache http://www.springmodules.org/schema/cache/springmodules-ehcache.xsd">

    <!-- 自动扫描(自动注入) -->
    context:component-scan base-package="cn.service" />
     配置连接池 bean ="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
        property name="driverClassName" value="com.mysql.jdbc.Driver"></property="url"="jdbc:mysql://localhost:3306/test"="username"="root"="password"="1234">
    bean>


     myBatis文件 ="sqlSessionFactory"="org.mybatis.spring.SqlSessionFactoryBean" ref="dataSource" />
         自动扫描entity目录,省掉Configuration.xml里的手工配置 -->
        ="configLocation"="classpath:mybatis-config.xml" ="org.mybatis.spring.mapper.MapperScannerConfigurer"="basePackage"="cn.mapper" ="sqlSessionFactoryBeanName"="sqlSessionFactory"  配置事务管理器 ="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager" 配置事物的注解方式注入 tx:annotation-driven transaction-manager="transactionManager" />


beans>

 扫描Controller层 ="cn.controller"  存在問題  <mvc:annotation-driven> <mvc:message-converters> <bean class="org.springframework.http.converter.StringHttpMessageConverter"> 
        <property name="supportedMediaTypes"> <list> <value>application/json;charset=UTF-8</value> 
        </list> </property> </bean> </mvc:message-converters> </mvc:annotation-driven> -->

     开启注解 mvc:annotation-driven />


     对模型视图名称的解析，即在模型视图名称添加前后缀 bean
        ="org.springframework.web.servlet.view.InternalResourceViewResolver"="prefix"="/WEB-INF/view/" ="suffix"=".jsp" />可为空,方便实现自已的依据扩展名来选择视图解释类的逻辑 >  

#config root logger
log4j.rootLogger = INFO,system.out
log4j.appender.system.out=org.apache.log4j.ConsoleAppender
log4j.appender.system.out.layout=org.apache.log4j.PatternLayout
log4j.appender.system.out.layout.ConversionPattern=[Log] %5p[%F:%L]:%m%n

#config this Project.file logger
log4j.logger.thisProject.file=INFO,thisProject.file.out
log4j.appender.thisProject.file.out=org.apache.log4j.DailyRollingFileAppender
log4j.appender.thisProject.file.out.File=logContentFile.log
log4j.appender.thisProject.file.out.layout=org.apache.log4j.PatternLayout

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"configurationtypeAliases 给cn.entity包下起别名 package ="cn.entity" />

    >  

web-app xmlns:xsi 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" version="2.5">
  display-name>test001 Spring-mybatis的配置文件 context-paramparam-name>contextConfigLocationparam-value>classpath:application-config.xmllistenerlistener-class>org.springframework.web.context.ContextLoaderListener spring mvc servlet servletdescription>spring mvc servletservlet-name>springMvcservlet-class>org.springframework.web.servlet.DispatcherServletinit-param>
            >classpath:application-mvc.xmlload-on-startup>1servlet-mappingurl-pattern>*.dofilterfilter-name>encodingFilterfilter-class>org.springframework.web.filter.CharacterEncodingFilter>

            >encoding>UTF-8filter-mapping>/*>



     DEFAULT PAGE welcome-file-listwelcome-file>/WEB-INF/view/index.jsp>
  
web-app>