Spring MVC(九)常用注解及例子

/**
* yw
* 2016-11-10
*/
package com.wb.test01.controller;

import java.io.File;
import java.io.IOException;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.fileupload.FileItem;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.commons.CommonsMultipartFile;
import org.springframework.web.servlet.ModelAndView;

import com.wb.test03.service.UserService;

/**
* @author yw
* 2016-11-10 上午11:09:20
*/
@Controller
/*@RequestMapping("/test01")*/
/*@RequestMapping(value="/test01",method=RequestMethod.GET)*/
public class MyController
{
@Autowired
private UserService userService;

//	/**
//	 * @return the userService
//	 */
//	public UserService getUserService()
//	{
//		return userService;
//	}
//	/**
//	 * @param userService the userService to set
//	 */
//	public void setUserService(UserService userService)
//	{
//		this.userService = userService;
//	}

/*@RequestMapping("/test01")*/
@RequestMapping(value="/test01",method=RequestMethod.POST)
public String test01()
{
return "test01";
}
@RequestMapping(value="/a/{path}")
public String test02(@PathVariable String path)
{
System.out.println("test02=====path="+path);
return "test02";
}
@RequestMapping(value="/b/{path}")
public String test03(@PathVariable String path,Model model,
@RequestParam(value="username") String name,@RequestParam(value="age") int age)
{
System.out.println("test03=====path="+path);
System.out.println("name="+name);
System.out.println("age="+age);
model.addAttribute("username",name);
model.addAttribute("age",age);
return "test03";
}

@RequestMapping(value="/c/{path}")
public String test04(@PathVariable String path,Model model,@RequestParam(value="username") String name,
@RequestParam(value="age",required=false) String age)
{
System.out.println("test04=====path="+path);
System.out.println("name="+name);
System.out.println("age="+age);
model.addAttribute("username",name);
//		model.addAttribute("age",age);
return "test04";
}
@RequestMapping(value="/test05.do")
public String test05()
{
System.out.println("userService="+userService);
return "test01";
}

@RequestMapping(value="/upload.do",method=RequestMethod.GET)
public ModelAndView  test06()
{
return new ModelAndView("upload");
}

@RequestMapping(value="/upload.do",method=RequestMethod.POST)
public ModelAndView  test07(@RequestParam("file") CommonsMultipartFile file,HttpServletRequest request)
{

System.out.println("request="+request);

String path=request.getSession().getServletContext().getRealPath("/");

System.out.println("path="+path);
System.out.println("file="+file);
FileItem fileItem=file.getFileItem();
System.out.println("fileItem="+fileItem);
//		File dest=new File("d:/upload/"+file.getFileItem().getName());
File dest=new File(path+"/upload/"+file.getFileItem().getName());
try
{
file.transferTo(dest);
} catch (IllegalStateException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}

return new ModelAndView("success");
}

}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> 
<mvc:annotation-driven />
<context:component-scan base-package="com.wb.test01.controller" />
<!-- 数据源配置 -->

<bean id="dataSource" destroy-method="close"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="${driverClassName}" />
<property name="url" value="${url}" />
<property name="username" value="${username}" />
<property name="password" value="${password}" />
</bean>

<bean id="config"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location">
<value>classpath:jdbc.properties</value>
</property>
</bean>

<!-- mybatis和spring的整合配置 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
</bean>

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.wb.test03.mapper" />
</bean>

<!-- spring的声明式事务配置 -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager"
autowire="byName">
</bean>

<tx:advice id="txAdvice">
<tx:attributes>
<tx:method name="*" rollback-for="Exception" />
</tx:attributes>
</tx:advice>

<aop:config>
<aop:pointcut expression="execution(* com.wb.test03.service.*.*(..))"
id="point1" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="point1" />
</aop:config>

<!-- 配置Dao和Service -->
<bean id="userDao" class="com.wb.test03.dao.impl.UserDaoImpl"
autowire="byType"></bean>
<bean id="userService" class="com.wb.test03.service.impl.UserServiceImpl"
autowire="byType"></bean>
</beans>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd"> 
<context:component-scan base-package="com.wb.test01.controller" />

<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

<property name="maxUploadSize" value="100000" />
</bean>

<bean id="jspViewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>

</beans>

<?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_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>ssmday09</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param>

<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

<servlet>
<servlet-name>first</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>first</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>

</web-app>