SpringMVC 简单搭建

1. 建立项目spring_mvc_test

2. 引入jar文件，如图：


3. 下面编辑web.xml文件，配置spring的拦截器：

Java代码 
1.<?xml version="1.0" encoding="UTF-8"?>  
2.<web-app version="2.4"   
3.    xmlns="http://java.sun.com/xml/ns/j2ee"   
4.    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"   
5.    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee   
6.    http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">  
7.  <welcome-file-list>  
8.    <welcome-file>index.jsp</welcome-file>  
9.  </welcome-file-list>  
10.    
11.    <display-name>Spring3MVC</display-name>  
12.    <welcome-file-list>  
13.        <welcome-file>index.jsp</welcome-file>  
14.    </welcome-file-list>  
15.        <servlet>  
16.        <servlet-name>spring</servlet-name>  
17.        <servlet-class>  
18.            org.springframework.web.servlet.DispatcherServlet  
19.        </servlet-class>  
20.        <load-on-startup>1</load-on-startup>  
21.    </servlet>  
22.    <servlet-mapping>  
23.        <servlet-name>spring</servlet-name>  
24.        <url-pattern>/*</url-pattern>  
25.    </servlet-mapping>  
26.</web-app> 
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
 
    <display-name>Spring3MVC</display-name>
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
        <servlet>
        <servlet-name>spring</servlet-name>
        <servlet-class>
            org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>spring</servlet-name>
        <url-pattern>/*</url-pattern>
    </servlet-mapping>
</web-app>

4. 配置返回结果的视图spring-servlet.xml：


Java代码 
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" xmlns:p="http://www.springframework.org/schema/p" 
4.    xmlns:context="http://www.springframework.org/schema/context" 
5.    xsi:schemaLocation="http://www.springframework.org/schema/beans   
6.http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  
7.http://www.springframework.org/schema/context  
8.        http://www.springframework.org/schema/context/spring-context-3.0.xsd">  
9.    <context:component-scan base-package="net.viralpatel.spring3.controller" />  
10.    <bean id="viewResolver" 
11.        class="org.springframework.web.servlet.view.UrlBasedViewResolver">  
12.        <property name="viewClass" 
13.            value="org.springframework.web.servlet.view.JstlView" />  
14.        <property name="prefix" value="/WEB-INF/jsp/" />  
15.        <property name="suffix" value=".jsp" />  
16.    </bean>  
17.</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:p="http://www.springframework.org/schema/p"
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/context
        http://www.springframework.org/schema/context/spring-context-3.0.xsd">
<context:component-scan base-package="net.viralpatel.spring3.controller" />
<bean id="viewResolver"
class="org.springframework.web.servlet.view.UrlBasedViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
</beans>

5.现在可以编写controler代码了：

Java代码 
1.package net.viralpatel.spring3.controller;   
2. 
3.import org.springframework.stereotype.Controller;  
4.import org.springframework.web.bind.annotation.PathVariable;  
5.import org.springframework.web.bind.annotation.RequestMapping;  
6.import org.springframework.web.bind.annotation.RequestParam;  
7.import org.springframework.web.bind.annotation.ResponseBody;  
8.import org.springframework.web.servlet.ModelAndView;   
9. 
10.@Controller 
11.public class HelloWorldController {   
12.                      
13.    @RequestMapping("simple")  
14.    public @ResponseBody String helloWorld() {   
15. 
16.        String message = "Hello, this is a simple example";  
17.        return message;  
18.    }  
19.} 
package net.viralpatel.spring3.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

@Controller
public class HelloWorldController {

@RequestMapping("simple")
    public @ResponseBody String helloWorld() {

        String message = "Hello, this is a simple example";
        return message;
    }
}

现在在浏览器中输入：http://localhost:8080/spring_mvc_test/simple
然后在浏览器中显示Hello, this is a simple example