SpringMVC入门二-HelloWorld

2016-10-26 12:20    702人浏览    标签:    

1. 导入需要的架包:

2. 配置web.xml,添加Servlet

    <servlet>

        <servlet-name>springmvc</servlet-name>

        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <init-param>

            <param-name>contextConfigLocation</param-name>

            <param-value>classpath:spring-mvc.xml</param-value>

        </init-param>

    </servlet>

    <servlet-mapping>

        <servlet-name>springmvc</servlet-name>

        <url-pattern>*.do</url-pattern>

    </servlet-mapping>

3. 添加spring-mvc.xml文件

    <?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.xsd

     http://www.springframework.org/schema/context

     http://www.springframework.org/schema/context/spring-context.xsd">

 

    <!-- 使用注解的包,包括子集 -->

     <context:component-scan base-package="com.java1234"/>

 

<!-- 视图解析器 -->

        <bean id="viewResolver"

        class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <property name="prefix" value="/WEB-INF/jsp/" />

        <property name="suffix" value=".jsp"></property>

        </bean>

</beans>

4. 在index.jsp中添加如下代码:

    <body>

<a href="helloWorld.do">Hello World SpringMvc</a>

</body>

5. 在/WEB-INF/下新建一个jsp文件,在jsp文件夹下建立一个helloword.jsp文件

 

    <%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>Insert title here</title>

</head>

<body>

${message }

</body>

</html>

6. 编写Controller类HelloWorldController.java:

    @Controller

public class HelloWorldController {

        @RequestMapping("/helloWorld")

        public String helloWorld(Model model){

            model.addAttribute("message", "StringMvc大爷你好!");

            return "helloWorld";

        }

}

7. 整个项目图:

    

 

 

 

 

 

 

 

 

 

 

 

 

8. 测试:http://localhost:8080/SpringMvc01/

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