Maven+SpringMVC+MyBatis实现系统(二)

来源：互联网发布：京东me软件编辑：程序博客网时间：2024/05/18 02:34

摘要接上一篇！

目录[-]

6. mybatis配置

7. junit测试插入功能

测试成功！

8. springMVC模块搭建

9. log4j日志记录搭建

10. 测试运行

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); 
}

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);
}

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);
    }
 
}

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>

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>

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));
    }
}

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>

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>

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

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>

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";
    }
}

测试成功！

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