SpringMVC(一)HelloWorld

最新推荐文章于 2022-01-23 23:48:05 发布

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最新推荐文章于 2022-01-23 23:48:05 发布

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分类专栏： spring-mvc 文章标签： spring mvc

本文链接：https://blog.youkuaiyun.com/cheney917/article/details/77536805

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本文详细介绍了一个使用Spring MVC框架搭建Web应用程序的过程，包括项目创建、jar包配置、视图解析及控制器编写等步骤。

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准备jar包

这里写图片描述

1.新建dynamic web project，勾选生成web.xml选项

这里写图片描述

2.把准备好的jar包放入WebContent →WEB-INF →lib 文件夹

3.在WebContent目录下新建JSP文件index.jsp

<a href="hello">click! click!</a>

4.在WebContent →WEB-INF文件夹下新建views文件夹，并在views目录下新建JSP文件hello.jsp

<h1>my name is spring MVC</h1>

这里写图片描述

5.配置web.xml文件

<?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" 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>springmvc</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>

    <!-- The front controller of this Spring Web application, responsible for handling all application requests -->
    <servlet>
        <servlet-name>springDispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <!-- Map all requests to the DispatcherServlet for handling -->
    <servlet-mapping>
        <servlet-name>springDispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

</web-app>

6.在src目录下新建springmvc.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:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
    <!-- 配置自动扫描的包 -->
    <context:component-scan base-package="com.test"></context:component-scan>

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/views/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>
</beans>

7.在src下新建包com.test 在该包下新建TestMvc类

package com.test;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class TestMvc {
    @RequestMapping("/hello")
    public String testSpring() {
        return "hello";
    }
}