SpringMVC基础入门

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1.首先，导入SpringMVC需要的jar包。

2.添加Web.xml配置文件中关于SpringMVC的配置

<!--configure the setting of springmvcDispatcherServlet and configure the mapping-->
<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:springmvc-servlet.xml</param-value>
      </init-param>
      <!-- <load-on-startup>1</load-on-startup> -->
</servlet>
 
<servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>/</url-pattern>
</servlet-mapping>

3.在src下添加springmvc-servlet.xml配置文件

<?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:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    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-4.1.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd">                    
 
    <!-- scan the package and the sub package -->
    <context:component-scan base-package="test.SpringMVC"/>
 
    <!-- don't handle the static resource -->
    <mvc:default-servlet-handler />
 
    <!-- if you use annotation you must configure following setting -->
    <mvc:annotation-driven />
     
    <!-- configure the InternalResourceViewResolver -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"
            id="internalResourceViewResolver">
        <!-- 前缀 -->
        <property name="prefix" value="/WEB-INF/jsp/" />
        <!-- 后缀 -->
        <property name="suffix" value=".jsp" />
    </bean>
</beans>

4.在WEB-INF文件夹下创建名为jsp的文件夹，用来存放jsp视图。创建一个hello.jsp，在body中添加“Hello World”。

5.建立包及Controller，如下所示

6.编写Controller代码

@Controller
@RequestMapping("/mvc")
public class mvcController {
 
    @RequestMapping("/hello")
    public String hello(){        
        return "hello";
    }
}

7.启动服务器，键入 http://localhost:8080/项目名/mvc/hello

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