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Spring-SpringMVC-Mybatis整合的步骤

1.导入jar包

  1.1  spring面向切面jar包

    com.springsource.net.sf.cglib-2.2.0.jar
    com.springsource.org.aopalliance-1.0.0.jar
    com.springsource.org.aspectj.weaver-1.6.8.RELEASE.jar
  1.2 springJDBCjar包
    c3p0-0.9.2.1.jar
    mchange-commons-java-0.2.3.4.jar

    spring-jdbc-4.2.2.RELEASE.jar

  1.3  mybatis与spring整合jar包
    mybatis-3.2.2.jar
    mybatis-spring-1.2.1.jar

  1.4  mysql数据库jar包
    mysql-connector-java-5.0.8-bin.jar

  1.5 springAOP及springMVCjar包

    commons-logging-1.1.3.jar
    spring-aop-4.2.2.RELEASE.jar
    spring-beans-4.2.2.RELEASE.jar
    spring-context-4.2.2.RELEASE.jar
    spring-core-4.2.2.RELEASE.jar
    spring-expression-4.2.2.RELEASE.jar
    spring-tx-4.2.2.RELEASE.jar
    spring-web-4.2.2.RELEASE.jar
    spring-webmvc-4.2.2.RELEASE.jar

  1.6 js标签库jar包

    jstl.jar
    standard.jar

  1.7 文件上传jar包

    commons-fileupload-1.3.1.jar

    commons-io-2.2.jar

  1.8 springMVC与ajax交互jar包

    jackson-annotations-2.2.1.jar

    jackson-core-2.2.1.jar

    jackson-databind-2.2.1.jar

2.配置spring的xml文件

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xmlns:context="http://www.springframework.org/schema/context"
 5     xmlns:aop="http://www.springframework.org/schema/aop"
 6     xmlns:tx="http://www.springframework.org/schema/tx"
 7     xsi:schemaLocation="http://www.springframework.org/schema/beans
 8         http://www.springframework.org/schema/beans/spring-beans.xsd
 9         http://www.springframework.org/schema/context
10         http://www.springframework.org/schema/context/spring-context.xsd
11         http://www.springframework.org/schema/tx
12         http://www.springframework.org/schema/tx/spring-tx.xsd
13         http://www.springframework.org/schema/aop
14         http://www.springframework.org/schema/aop/spring-aop.xsd">
15     
16     <!-- 包扫描 *业务层 -->
17     <context:component-scan base-package="com.eduask.liusheng.service"/>
18     
19     <!-- 引入属性文件  *数据源属性及连接池属性 -->
20     <context:property-placeholder location="classpath:db.properties"/>
21        
22     <!-- 配置数据源  -->
23     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
24         <property name="driverClass" value="http://www.mamicode.com/${jdbc.driver}"></property>
25         <property name="jdbcUrl" value="http://www.mamicode.com/${jdbc.url}"></property>
26         <property name="user" value="http://www.mamicode.com/${jdbc.username}"></property>
27         <property name="password" value="http://www.mamicode.com/${jdbc.password}"></property>
28     </bean>   
29     
30     <!-- 配置SQLSessionFactory -->
31     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
32         <!-- 注入数据库连接池 -->
33         <property name="dataSource" ref="dataSource"/>
34         <!-- 扫描实体类包,使用别名 -->
35         <property name="typeAliasesPackage" value="http://www.mamicode.com/com.eduask.liusheng.bean"/>
36         <!-- 扫描映射文件 -->
37         <property name="mapperLocations" value="http://www.mamicode.com/classpath:com/eduask/liusheng/mapper/*.xml"/>
38     </bean>
39     
40     <!-- 配置扫描Dao接口包,动态实现Dao接口,注入到spring容器中 -->
41     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
42         <!-- 注入sqlSessionFactory -->
43         <property name="sqlSessionFactoryBeanName" value="http://www.mamicode.com/sqlSessionFactory"/>
44         <!-- 给出需要扫描Dao接口包,自动生成对应实体,不用手动实现 -->
45         <property name="basePackage" value="http://www.mamicode.com/com.eduask.liusheng.dao"/>
46     </bean>
47     
48     <!-- 配置事务管理器 -->
49     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
50         <property name="dataSource" ref="dataSource"></property>
51     </bean>
52     
53     <!-- 配置事务通知 *如果是注解方式,需要配置事务管理注解驱动-->
54     <tx:advice id="advice" transaction-manager="transactionManager">
55         <tx:attributes>
56             <tx:method name="insert*" propagation="REQUIRED" isolation="DEFAULT" read-only="false"/>
57             <tx:method name="update*" propagation="REQUIRED" isolation="DEFAULT" read-only="false"/>
58             <tx:method name="delete*" propagation="REQUIRED" isolation="DEFAULT" read-only="false"/>
59             <tx:method name="select*" read-only="true"/>
60             <tx:method name="*" read-only="true"/>
61         </tx:attributes>
62     </tx:advice>
63     
64     <!-- 配置切点 -->
65     <aop:config>
66         <!-- 配置切点 -->
67         <aop:pointcut expression="execution(* com.eduask.liusheng.service.*.*(..))" id="pointcut"/>
68         <!-- 关联切点与通知 -->
69         <aop:advisor advice-ref="advice" pointcut-ref="pointcut"/>
70     </aop:config>
71     
72 </beans>
技术分享
1 jdbc.driver=com.mysql.jdbc.Driver
2 jdbc.url=jdbc:mysql://localhost:3306/employeemanager
3 jdbc.username=root
4 jdbc.password=root
5 #连接池属性在这里配置
属性文件

3.配置springMVC的xml文件

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xmlns:context="http://www.springframework.org/schema/context"
 5     xmlns:mvc="http://www.springframework.org/schema/mvc"
 6     xsi:schemaLocation="http://www.springframework.org/schema/beans
 7         http://www.springframework.org/schema/beans/spring-beans.xsd
 8         http://www.springframework.org/schema/context
 9         http://www.springframework.org/schema/context/spring-context.xsd
10         http://www.springframework.org/schema/mvc
11         http://www.springframework.org/schema/mvc/spring-mvc.xsd">
12 
13     <!-- 配置包扫描 *控制器层 -->
14     <context:component-scan base-package="com.eduask.liusheng.controller"/>
15     
16     <!-- 配置视图解析器 *受保护的网页放在/WEB-INF下,不能被直接访问,只能请求转发到该页面 -->
17     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
18         <property name="prefix" value="http://www.mamicode.com/WEB-INF/view/"></property>
19         <property name="suffix" value="http://www.mamicode.com/.jsp"></property>
20     </bean>
21 
22   <!--  访问静态资源 js jpg html css 等静态资源 -->
23   <mvc:default-servlet-handler/>
24 
25   <!-- 配置登陆拦截器  -->
26   <mvc:interceptors>
27       <mvc:interceptor>
28           <mvc:mapping path="/**"/>
29           <bean class="com.eduask.liusheng.inerceptor.LoginInterceptor"></bean>
30       </mvc:interceptor>
31   </mvc:interceptors>
32     
33     <!--  配置全局时间转化类 没有时间转化可省略以下 -->
34     <!-- 第一步:  创建自定义日期转换规则  class:为时间转化类的全类名 -->   
35     <bean id="dateConvert" class="com.eduask.liusheng.util.DateConvert"/>
36     <!-- 第二步: 创建convertion-Service ,并注入dateConvert-->
37     <bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
38         <property name="converters">
39             <set>
40                 <ref bean="dateConvert"/>
41             </set>
42         </property>
43     </bean>
44     <!-- 第三步:注册处理器映射器/处理器适配器 ,添加conversion-service属性-->
45     <mvc:annotation-driven conversion-service="conversionService"/>
46     
47    <!-- 配置文件上传的映射 *id必须为multipartResolver -->
48      <bean id="multipartResolver"
49          class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
50           <!-- 配置上传的大小 -->
51           <property name="maxUploadSize" value="http://www.mamicode.com/104857600"></property>
52           <!-- 配置缓存 -->
53           <property name="maxInMemorySize" value="http://www.mamicode.com/4096" />
54           <!-- 配置上传的编码 -->
55           <property name="defaultEncoding" value="http://www.mamicode.com/utf-8"></property>
56     </bean>
57     
58 </beans>
技术分享
 1 import java.text.ParseException;
 2 import java.text.SimpleDateFormat;
 3 import java.util.Date;
 4 
 5 import org.springframework.core.convert.converter.Converter;
 6 
 7 public class DateConvert implements Converter<String, Date> {
 8 
 9     @Override
10     public Date convert(String stringDate){
11         //时间转化类(时间格式)
12         SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
13         try {
14             return simpleDateFormat.parse(stringDate);
15         } catch (ParseException e) {
16             e.printStackTrace();
17         }
18         return null;
19     }
20 
21 }
DateConvert.java
技术分享
 1 import java.io.File;
 2 import java.io.FileOutputStream;
 3 
 4 import javax.servlet.http.HttpServletRequest;
 5 
 6 import org.springframework.stereotype.Controller;
 7 import org.springframework.web.bind.annotation.RequestMapping;
 8 import org.springframework.web.bind.annotation.RequestParam;
 9 import org.springframework.web.multipart.MultipartFile;
10 import org.springframework.web.multipart.MultipartHttpServletRequest;
11 import org.springframework.web.multipart.commons.CommonsMultipartFile;
12 
13 @Controller
14 public class UploadController {
15     @RequestMapping("/upload1.do")
16     public String upload(HttpServletRequest req) throws Exception{
17         long  startTime=System.currentTimeMillis();
18         MultipartHttpServletRequest multiRequest=(MultipartHttpServletRequest)req;
19         MultipartFile multiFile=multiRequest.getFile("myfile1");
20         String path=req.getSession().getServletContext().getRealPath("/upload");
21         File file=new File(path+"\\"+multiFile.getOriginalFilename());
22         FileOutputStream fos=new FileOutputStream(file);
23         fos.write(multiFile.getBytes());
24         fos.flush();
25         fos.close();
26         long  endTime=System.currentTimeMillis();
27         System.out.println("upload1运行时间:"+String.valueOf(endTime-startTime)+"ms");
28         return "a";
29     }
30     
31     @RequestMapping("/upload2.do")
32     public String upload1(@RequestParam("myfile2") CommonsMultipartFile file,HttpServletRequest req) throws Exception{
33         long  startTime=System.currentTimeMillis();
34         String path=req.getSession().getServletContext().getRealPath("/upload");
35         File uploadfile=new File(path+"\\"+file.getOriginalFilename());
36         file.transferTo(uploadfile);
37         long  endTime=System.currentTimeMillis();
38         System.out.println("upload2运行时间:"+String.valueOf(endTime-startTime)+"ms");
39         return "a";
40     }
41     
42     @RequestMapping("/upload3.do")
43     public String upload3(HttpServletRequest req) throws Exception{
44         long  startTime=System.currentTimeMillis();
45         MultipartHttpServletRequest multiRequest=(MultipartHttpServletRequest)req;
46         MultipartFile multiFile=multiRequest.getFile("myfile3");
47         String path=req.getSession().getServletContext().getRealPath("/upload");
48         File file=new File(path+"\\"+multiFile.getOriginalFilename());
49         multiFile.transferTo(file);
50         long  endTime=System.currentTimeMillis();
51         System.out.println("upload3运行时间:"+String.valueOf(endTime-startTime)+"ms");
52         return "a";
53     }
54     
55 }
文件上传三种方法
技术分享
 1 import java.io.PrintWriter;
 2 
 3 import org.springframework.stereotype.Controller;
 4 import org.springframework.web.bind.annotation.RequestMapping;
 5 import org.springframework.web.bind.annotation.ResponseBody;
 6 
 7 @Controller
 8 public class AjaxController {
 9     
10     @RequestMapping("/fun1.do")
11     public void fun1(PrintWriter out,User user){
12         System.out.println(user);
13         out.print("你好");
14     }
15     
16     @RequestMapping("/fun2.do")
17     @ResponseBody
18     public User fun2(User user){
19         return user;
20     }
21     
22 }
spring与ajax交互,spring的自动封装
技术分享
 1 import javax.servlet.http.HttpServletRequest;
 2 import javax.servlet.http.HttpServletResponse;
 3 
 4 import org.springframework.web.servlet.HandlerInterceptor;
 5 import org.springframework.web.servlet.ModelAndView;
 6 
 7 
 8 public class LoginInterceptor implements HandlerInterceptor {
 9 
10     /** 
11      * preHandle方法是进行处理器拦截用的,顾名思义,该方法将在Controller处理之前进行调用,
12      * SpringMVC中的Interceptor拦截器是链式的,可以同时存在多个Interceptor,
13      * 然后SpringMVC会根据声明的前后顺序一个接一个的执行,
14      * 而且所有的Interceptor中的preHandle方法都会在Controller方法调用之前调用。
15      * SpringMVC的这种Interceptor链式结构也是可以进行中断的,
16      * 这种中断方式是令preHandle的返回值为false,当preHandle的返回值为false的时候整个请求就结束了。 
17      */  
18     public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
19             Object o) throws Exception {
20         System.out.println("----------preHandle------------");
21         String path=request.getServletPath();
22         System.out.println("path:"+path);
23         if("/login.do".equals(path)){
24             return true;
25         }
26         if("/logout.do".equals(path)){
27             request.getSession().removeAttribute("user");
28         }
29         String str=(String) request.getSession().getAttribute("user");
30         if (str!=null) {
31             return true;
32         }else{
33             response.sendRedirect("login.jsp");
34             return false;
35         }
36     }
37     
38      /** 
39      * 这个方法只会在当前这个Interceptor的preHandle方法返回值为true的时候才会执行。
40      * postHandle是进行处理器拦截用的,它的执行时间是在处理器进行处理之后,
41      * 也就是在Controller的方法调用之后执行,但是它会在DispatcherServlet进行视图的渲染之前执行,
42      * 也就是说在这个方法中你可以对ModelAndView进行操作。
43      * 这个方法的链式结构跟正常访问的方向是相反的,也就是说先声明的Interceptor拦截器该方法反而会后调用,
44      * 这跟Struts2里面的拦截器的执行过程有点像,
45      * 只是Struts2里面的intercept方法中要手动的调用ActionInvocation的invoke方法,
46      * Struts2中调用ActionInvocation的invoke方法就是调用下一个Interceptor 
47      * 或者是调用action,然后要在Interceptor之前调用的内容都写在调用invoke之前,
48      * 要在Interceptor之后调用的内容都写在调用invoke方法之后。 
49      */
50     public void postHandle(HttpServletRequest request, HttpServletResponse response,
51             Object o, ModelAndView ex) throws Exception {
52         System.out.println("----------postHandle------------");
53     }
54     
55     /** 
56      * 该方法也是需要当前对应的Interceptor的preHandle方法的返回值为true时才会执行。
57      * 该方法将在整个请求完成之后,也就是DispatcherServlet渲染了视图执行, 
58      * 这个方法的主要作用是用于清理资源的,当然这个方法也只能在当前这个Interceptor的preHandle方法的返回值为true时才会执行。 
59      */  
60     public void afterCompletion(HttpServletRequest request,
61             HttpServletResponse response, Object o, Exception ex)
62             throws Exception {
63         System.out.println("----------afterCompletion------------");
64     }
65 
66 }
LoginInterceptor.java

4.配置web.xml

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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_3_0.xsd" id="WebApp_ID" version="3.0">
 3   <display-name>EmployeeManager</display-name>
 4   <welcome-file-list>
 5     <welcome-file>index.html</welcome-file>
 6     <welcome-file>index.htm</welcome-file>
 7     <welcome-file>index.jsp</welcome-file>
 8     <welcome-file>default.html</welcome-file>
 9     <welcome-file>default.htm</welcome-file>
10     <welcome-file>default.jsp</welcome-file>
11   </welcome-file-list>
12  
13   <!-- 配置前端控制器 和 springMVC-servlet 的配置文件引入-->
14   <servlet>
15       <servlet-name>springMVC</servlet-name>
16       <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
17       <init-param>
18           <param-name>contextConfigLocation</param-name>
19           <param-value>classpath:springMVC-servlet.xml</param-value>
20       </init-param>
21       <load-on-startup>1</load-on-startup>
22   </servlet>
23   <servlet-mapping>
24       <servlet-name>springMVC</servlet-name>
25       <url-pattern>/*</url-pattern>
26   </servlet-mapping>
27   
28   <!-- 设置servlet所有编码的过滤器 -->
29   <filter>  
30         <filter-name>CharacterEncodingFilter</filter-name>  
31         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>  
32         <init-param>  
33             <param-name>encoding</param-name>  
34             <param-value>utf-8</param-value>  
35         </init-param>  
36         <init-param>  
37             <param-name>forceEncoding</param-name>  
38             <param-value>true</param-value>  
39         </init-param>  
40     </filter>  
41     <filter-mapping>  
42         <filter-name>CharacterEncodingFilter</filter-name>  
43         <url-pattern>/*</url-pattern>  
44     </filter-mapping>  
45     
46     <!-- 配置监听器 -->
47     <listener>
48         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
49     </listener>
50     
51     <!-- Spring配置文件的引入 -->
52     <context-param>
53         <param-name>contextConfigLocation</param-name>
54           <param-value>classpath:applicationContext.xml</param-value>
55     </context-param>
56     
57 </web-app>

 

Spring-SpringMVC-Mybatis整合的步骤