maven+springMVC+mybatis+junit详细搭建过程（三）

于 2014-03-22 13:25:29 发布
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分类专栏： 架构设计 文章标签： maven mybatis spring
本文介绍如何将MyBatis与SpringMVC框架集成，实现用户数据的持久化操作。首先配置MyBatis的基本文件，定义类型别名和映射文件，接着通过JUnit进行插入功能的测试。最后，搭建SpringMVC模块，配置核心文件，并设置字符集过滤器等。

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6.  mybatis配置


   conf/mybatis-config.xml(mybatis配置的基本文件)


01 <?xml version="1.0" encoding="UTF-8" ?>
02 <!DOCTYPE configuration
03 PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
04 "http://mybatis.org/dtd/mybatis-3-config.dtd">
05 <configuration>
06         <!-- 命名空间 -->
07     <typeAliases>
08          <typeAlias alias="User"type="cn.springmvc.model.User"/>
09     </typeAliases>
10  
11     <!-- 映射map -->
12     <mappers>
13     </mappers>
14 </configuration>



mapper/UserMapper.xml(mybatis的实现)



01 <?xml version="1.0" encoding="UTF-8" ?>
02 <!DOCTYPE mapper
03  PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
04 "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
05 <mapper namespace="cn.springmvc.dao.UserDAO">
06             
07          <insert id="insertUser" parameterType="User" keyProperty="id">
08              insert into days_user( 
09          state,
10          nickname)
11          values
12          (       
13          #{state},
14          #{nickname})
15          </insert>
16           
17 </mapper>



这样就完成了基本插入用户的功能！


7.  junit测试插入功能


cn.springmvc.test/UserTest.java(用户测试模块)

01 package cn.springmvc.test;
02  
03 import org.junit.Before;
04 import org.junit.Test;
05 import org.springframework.context.ApplicationContext;
06 import org.springframework.context.support.ClassPathXmlApplicationContext;
07  
08 import cn.springmvc.model.User;
09 import cn.springmvc.service.UserService;
10  
11  
12  
13 public class UserTest {
14  
15 private UserService userService;
16      
17     @Before
18     public voidbefore(){                                                                   
19         @SuppressWarnings("resource")
20         ApplicationContext context = new ClassPathXmlApplicationContext(newString[]{"classpath:conf/spring.xml"
21                 ,"classpath:conf/spring-mybatis.xml"});
22         userService = (UserService) context.getBean("userServiceImpl");
23     }
24      
25     @Test
26     public void addUser(){
27         User user = new User();
28         user.setNickname("你好");
29         user.setState(2);
30         System.out.println(userService.insertUser(user));
31     }
32 }



测试结果如图：


maven+springMVC+mybatis+junit详细搭建过程

即完成插入功能！

8.  springMVC模块搭建 

    web.xml（web功能配置）

01 <?xml version="1.0" encoding="UTF-8"?>
02 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
03     xmlns="http://java.sun.com/xml/ns/javaee"xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
04     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
05     id="WebApp_ID" version="2.5">
06     <display-name>Archetype Created Web Application</display-name>
07  
08     <!-- 读取spring配置文件 -->
09     <context-param>
10         <param-name>contextConfigLocation</param-name>
11         <param-value>classpath:conf/spring.xml;
12             classpath:conf/spring-mybatis.xml
13         </param-value>
14     </context-param>
15     <!-- 设计路径变量值 -->
16     <context-param>
17         <param-name>webAppRootKey</param-name>
18         <param-value>springmvc.root</param-value>
19     </context-param>
20  
21  
22     <!-- Spring字符集过滤器 -->
23     <filter>
24         <filter-name>SpringEncodingFilter</filter-name>
25         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
26         <init-param>
27             <param-name>encoding</param-name>
28             <param-value>UTF-8</param-value>
29         </init-param>
30         <init-param>
31             <param-name>forceEncoding</param-name>
32             <param-value>true</param-value>
33         </init-param>
34     </filter>
35     <filter-mapping>
36         <filter-name>SpringEncodingFilter</filter-name>
37         <url-pattern>/*</url-pattern>
38     </filter-mapping>
39  
40     <!-- 日志记录 -->
41     <context-param>
42         <!-- 日志配置文件路径 -->
43         <param-name>log4jConfigLocation</param-name>
44         <param-value>classpath:conf/log4j.properties</param-value>
45     </context-param>
46     <context-param>
47         <!-- 日志页面的刷新间隔 -->
48         <param-name>log4jRefreshInterval</param-name>
49         <param-value>6000</param-value>
50     </context-param>
51     <listener>
52         <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
53     </listener>
54  
55     <listener>
56         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
57     </listener>
58  
59     <!-- springMVC核心配置 -->
60     <servlet>
61         <servlet-name>spring</servlet-name>
62         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
63         <init-param>
64             <param-name>contextConfigLocation</param-name>
65             <param-value>classpath:conf/spring-mvc.xml</param-value>
66         </init-param>
67         <load-on-startup>2</load-on-startup>
68     </servlet>
69     <servlet-mapping>
70         <servlet-name>spring</servlet-name>
71         <url-pattern>*.do</url-pattern>
72     </servlet-mapping>
73  
74     <welcome-file-list>
75         <welcome-file>index.jsp</welcome-file>
76     </welcome-file-list>
77  
78     <!-- 错误跳转页面 -->
79     <error-page>
80         <!-- 路径不正确 -->
81         <error-code>404</error-code>
82         <location>/WEB-INF/errorpage/404.jsp</location>
83     </error-page>
84     <error-page>
85         <!-- 没有访问权限，访问被禁止 -->
86         <error-code>405</error-code>
87         <location>/WEB-INF/errorpage/405.jsp</location>
88     </error-page>
89     <error-page>
90         <!-- 内部错误 -->
91         <error-code>500</error-code>
92         <location>/WEB-INF/errorpage/500.jsp</location>
93     </error-page>
94 </web-app>



conf/spring-mvc.xml(mvc配置文件)
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01 <?xml version="1.0" encoding="UTF-8"?>
02 <beans xmlns="http://www.springframework.org/schema/beans"
03   xmlns:p="http://www.springframework.org/schema/p"
04   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
05   xmlns:context="http://www.springframework.org/schema/context"
06   xmlns:mvc="http://www.springframework.org/schema/mvc"
07   xsi:schemaLocation="
08     http://www.springframework.org/schema/beans
09     http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
10     http://www.springframework.org/schema/context
11     http://www.springframework.org/schema/context/spring-context-3.2.xsd
12     http://www.springframework.org/schema/mvc
13     http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
14      
15     <!-- 扫描controller（controller层注入） -->
16    <context:component-scan base-package="cn.springmvc.controller"/>
17     
18    <!-- 避免IE在ajax请求时，返回json出现下载 -->
19    <bean id="jacksonMessageConverter"class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">    
20         <property name="supportedMediaTypes">
21             <list>
22                 <value>text/html;charset=UTF-8</value>
23             </list>
24         </property>
25     </bean>
26      
27    <!-- 对模型视图添加前后缀 -->
28      <bean id="viewResolver"class="org.springframework.web.servlet.view.InternalResourceViewResolver"
29       p:prefix="/WEB-INF/jsp/" p:suffix=".jsp"/>
30 </beans>

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