SpringMVC环境搭建

最新推荐文章于 2022-07-17 11:43:26 发布

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最新推荐文章于 2022-07-17 11:43:26 发布

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分类专栏： ssm框架

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本文详细介绍了如何从零开始搭建SpringMVC框架，包括配置web.xml，创建SpringMVC配置文件，编写User类与Controller，以及创建JSP页面。通过具体步骤展示了SpringMVC的工作流程。

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0.目录结构

1.添加所需的jar包

2.配置web.xml

<?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" version="3.0">
<display-name>SpringMVCtest</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>

<servlet>
<servlet-name>SpringMVCServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:Config/SpringMVC-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVCServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

</web-app>

3.创建springMVC配置文件SpringMVC-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns:beans="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" xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
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 ">

<mvc:annotation-driven />

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


<beans:bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">

<beans:property name="prefix" value="/WEB-INF/pages/" />

<beans:property name="suffix" value=".jsp" />
</beans:bean>
</beans:beans>

4.编写一个User类

public class User {
/**
* @author cjh
*/
private String id; // id
private String name; // name
   public String getId() {
       return id;
   }
   public void setId(String id) {
       this.id = id;
   }
   public String getName() {
       return name;
   }
   public void setName(String name) {
       this.name = name;
   }

}

5.编写一个ControllerUser类

/**
* @author cjh
*/
@Controller
public class ControllerUser {

   @RequestMapping("")
   public String begin(Model model) {
       return "begin";
   }

   @RequestMapping("save")
   public String save(@ModelAttribute("from") User user,Model model) {
       model.addAttribute(user);
       return "save";
   }
}
6.begin.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="save" method="get">
<p>First id: <input type="text" name="id" /></p>
<p>Last name: <input type="text" name="name" /></p>
<input type="submit" value="Submit" />
</form>
</body>
</html>

7.save.jsp

<%@ 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>
<div>
<p>id：${user.id}</p>
<p>name：${user.name}</p>
</div>
</body>
</html>