springMVC框架入门案例

时间:2019-11-12
本文章向大家介绍springMVC框架入门案例，主要包括springMVC框架入门案例使用实例、应用技巧、基本知识点总结和需要注意事项，具有一定的参考价值，需要的朋友可以参考一下。

控制器：

package cn.mepu.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

/**
 * @User 艾康
 * @create 2019-11-12 10:24
 * 控制器
 */
@Controller
public class HelloController {
    //url请求时执行该方法 method:请求方式  params该配置表示必须传入username参数 headers请求头必须包含的请求头
    @RequestMapping(path = "/hello",method = {RequestMethod.GET},params = {"username"},headers = {})
    public String sayHello(){
        System.out.println("入门案例");
        return "success";
    }
}

index：

<%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2019/11/12
  Time: 9:43
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>入门案例</title>
</head>
<body>
    <h3>入门案例</h3>
    <a href="hello">入门案例</a>

</body>
</html>

成功页面：

<%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2019/11/12
  Time: 9:44
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>入门成功</title>
</head>
<body>
<h3>入门成功</h3>
</body>
</html>

web.xml配置：

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
  <display-name>Archetype Created Web Application</display-name>

<!--  配置前端访问控制器-->
  <servlet>
    <servlet-name>dispatcherServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--    配置读取配置文件-->
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:springMVC.xml</param-value>
    </init-param>
<!--    配置启动时加载对象-->
    <load-on-startup>1</load-on-startup>

  </servlet>
  <servlet-mapping>
    <servlet-name>dispatcherServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>

springMVC的配置：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd">
<!--配置spring启动时扫描的包-->
    <context:component-scan base-package="cn.mepu"></context:component-scan>
<!--配置试图解析器-->
    <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!--        跳转文件路径-->
        <property name="prefix" value="\WEB-INF\pages\"></property>
<!--        跳转文件后缀-->
        <property name="suffix" value=".jsp"></property>
    </bean>
<!--开启注解-->
    <mvc:annotation-driven></mvc:annotation-driven>
</beans>

原文地址：https://www.cnblogs.com/aikang525/p/11840775.html

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