SpringMVC入门

新建dynamic web project

导入包：

SpringMVC入门

示例1 ：

web.xml配置：

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>ssm_spring_mvc</display-name>
  
  
  <servlet>
  	<servlet-name>springmvc</servlet-name>
  	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  	
  	<init-param>
<!--   	读取springmvc配置文件 -->
  		<param-name>contextConfigLocation</param-name>
  		<param-value>classpath:springmvc.xml</param-value>
  	</init-param>
  	<load-on-startup>1</load-on-startup>
  </servlet>
  
  <servlet-mapping>
  	<servlet-name>springmvc</servlet-name>
<!--   	拦截规则 -->
<!-- 		1.*.htm,*.do,*.action以扩展名方式拦截，什么情况下都可以使用。但是不拦截静态资源如:.jpg,.css,.js,.png	。 -->
<!-- 		2./ 不拦截静态资源如:.jpg,.css,.js,.png -->
<!-- 		  /*全部拦截 包括jsp和所有静态资源。不推荐使用 -->
<!--   	<url-pattern>*.sikiedu</url-pattern> -->
       <url-pattern>/</url-pattern>
  </servlet-mapping>
  
  
  <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>
</web-app>

servlet-class标签的内容是DispatcherServlet的全包名，如下：

SpringMVC入门

新建“springmvc.xml”,并导入约束：

SpringMVC入门

springmvc.xml:

<?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:aop="http://www.springframework.org/schema/aop"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
		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
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd">
		
<!-- 		开启注解扫描 -->
		<context:component-scan base-package="com.sikiedu.controller"></context:component-scan>
		
		<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
			<property name="prefix" value="/Views/"></property>
			<property name="suffix" value=".jsp"></property>
		</bean>
</beans>

ItemController.java:

/**
 * 
 */
package com.sikiedu.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

/**
 *
 *
 * @author Lijiang
 *2019年5月3日
 */

@Controller
public class ItemController {

	
	@RequestMapping(value="welcome")
	public String Test(){
			
		return "helloworld";
	}

}

helloworld.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>
helloWorld
</body>
</html>

index.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>
	<a href="welcome">welcome to springmvc</a>
</body>
</html>

运行结果：

SpringMVC入门

示例2：

web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>ssm_spring_mvc</display-name>
  
  
  <servlet>
  	<servlet-name>springmvc</servlet-name>
  	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  	
  	<init-param>
<!--   	读取springmvc配置文件 -->
  		<param-name>contextConfigLocation</param-name>
  		<param-value>classpath:springmvc.xml</param-value>
  	</init-param>
  	<load-on-startup>1</load-on-startup>
  </servlet>
  
  <servlet-mapping>
  	<servlet-name>springmvc</servlet-name>
<!--   	拦截规则 -->
<!-- 		1.*.htm,*.do,*.action以扩展名方式拦截，什么情况下都可以使用。但是不拦截静态资源如:.jpg,.css,.js,.png	。 -->
<!-- 		2./ 不拦截静态资源如:.jpg,.css,.js,.png -->
<!-- 		  /*全部拦截 包括jsp和所有静态资源。不推荐使用 -->
<!--   	<url-pattern>*.sikiedu</url-pattern> -->
       <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  
  
  <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>
</web-app>

springmvc.xml:

<?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:aop="http://www.springframework.org/schema/aop"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
		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
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd">
		
<!-- 		开启注解扫描 -->
		<context:component-scan base-package="com.sikiedu.controller"></context:component-scan>
		
		<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
			<property name="prefix" value="/WEB-INF/jsp/"></property>
			<property name="suffix" value=".jsp"></property>
		</bean>
</beans>

ItemController.java：

/**
 * 
 */
package com.sikiedu.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

/**
 *
 *
 * @author Lijiang
 *2019年5月3日
 */

@Controller
public class ItemController {


	@RequestMapping(value="list.do")
	public ModelAndView Test(){
		ModelAndView mav=new ModelAndView();
		mav.setViewName("item_list");
		return mav;
	}

}

index.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>
	<a href="list.do">welcome to springmvc</a>
</body>
</html>

运行结果：

SpringMVC入门

示例3：

SpringMVC入门

web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>ssm_spring_mvc</display-name>
  
  
  <servlet>
  	<servlet-name>springmvc</servlet-name>
  	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  	
  	<init-param>
<!--   	读取springmvc配置文件 -->
  		<param-name>contextConfigLocation</param-name>
  		<param-value>classpath:springmvc.xml</param-value>
  	</init-param>
  	<load-on-startup>1</load-on-startup>
  </servlet>
  
  <servlet-mapping>
  	<servlet-name>springmvc</servlet-name>
<!--   	拦截规则 -->
<!-- 		1.*.htm,*.do,*.action以扩展名方式拦截，什么情况下都可以使用。但是不拦截静态资源如:.jpg,.css,.js,.png	。 -->
<!-- 		2./ 不拦截静态资源如:.jpg,.css,.js,.png -->
<!-- 		  /*全部拦截 包括jsp和所有静态资源。不推荐使用 -->
<!--   	<url-pattern>*.sikiedu</url-pattern> -->
       <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  
  
  <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>
</web-app>

springmvc.xml:

<?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:aop="http://www.springframework.org/schema/aop"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
		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
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd">
		
<!-- 		开启注解扫描 -->
		<context:component-scan base-package="com.sikiedu.controller"></context:component-scan>
		
		<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
			<property name="prefix" value="/WEB-INF/jsp/"></property>
			<property name="suffix" value=".jsp"></property>
		</bean>
</beans>

ItemController.java:

/**
 * 
 */
package com.sikiedu.controller;

import java.util.ArrayList;
import java.util.List;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

import com.sikiedu.bean.ItemInfo;

import jdk.nashorn.internal.ir.RuntimeNode.Request;

/**
 *
 *
 * @author Lijiang
 *2019年5月3日
 */

@Controller
public class ItemController {


	@RequestMapping(value={"list.do","mylist.do"},method={RequestMethod.GET,RequestMethod.POST })
	public ModelAndView Test(){
		ModelAndView mav=new ModelAndView();
		
		ItemInfo info1=new ItemInfo("1", "王者荣耀", "moba", "0");
		ItemInfo info2=new ItemInfo("2", "王者荣耀", "moba", "0");
		ItemInfo info3=new ItemInfo("3", "王者荣耀", "moba", "0");
		ItemInfo info4=new ItemInfo("4", "王者荣耀", "moba", "0");
		
		List<ItemInfo> itemList=new ArrayList<ItemInfo>();
		itemList.add(info1);
		itemList.add(info2);
		itemList.add(info3);
		itemList.add(info4);
		
		mav.addObject("itemList", itemList);
		
		mav.setViewName("item_list");
		return mav;
	}

//	转发
	@RequestMapping("forwardString.do")
	public String forwardString(){
		return "forward:list.do";
	}
	
//	重定向
	@RequestMapping("redirectString.do")
	public String redirectString(){
		return "redirect:/index.jsp";
	}
	
	@RequestMapping(value="testList.do")
	public String Test1(Model model){
	
		ItemInfo info1=new ItemInfo("1", "王者荣耀", "moba", "0");
		ItemInfo info2=new ItemInfo("2", "王者荣耀", "moba", "0");
		ItemInfo info3=new ItemInfo("3", "王者荣耀", "moba", "0");
		ItemInfo info4=new ItemInfo("4", "王者荣耀", "moba", "0");
		
		List<ItemInfo> itemList=new ArrayList<ItemInfo>();
		itemList.add(info1);
		itemList.add(info2);
		itemList.add(info3);
		itemList.add(info4);

		model.addAttribute("itemList", itemList);

		return "item_list";

	}
}

ItemInfo.java：

/**
 * 
 */
package com.sikiedu.bean;

/**
 *
 *
 * @author Lijiang
 *2019年5月3日
 */

public class ItemInfo {

	private String item_id;
	private String item_name;
	private String item_type;
	private String item_price;
	

	public ItemInfo(String item_id, String item_name, String item_type, String item_price) {
		super();
		this.item_id = item_id;
		this.item_name = item_name;
		this.item_type = item_type;
		this.item_price = item_price;
	}
	public String getItem_id() {
		return item_id;
	}
	public void setItem_id(String item_id) {
		this.item_id = item_id;
	}
	public String getItem_name() {
		return item_name;
	}
	public void setItem_name(String item_name) {
		this.item_name = item_name;
	}
	public String getItem_type() {
		return item_type;
	}
	public void setItem_type(String item_type) {
		this.item_type = item_type;
	}
	public String getItem_price() {
		return item_price;
	}
	public void setItem_price(String item_price) {
		this.item_price = item_price;
	}
	@Override
	public String toString() {
		return "ItemInfo [item_id=" + item_id + ", item_name=" + item_name + ", item_type=" + item_type
				+ ", item_price=" + item_price + "]";
	}
	
	
}

index.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>
	<a href="list.do">welcome to springmvc</a>
	<form action="${pageContext.request.contextPath}/list.do" method="get">
		<input type="submit" value="提交:list.do">
	</form><br>
	<form action="${pageContext.request.contextPath}/mylist.do" method="post">
		<input type="submit" value="提交:mylist.do">
	</form><br>
	<form action="${pageContext.request.contextPath}/forwardString.do">
		<input type="submit" value="提交:forwardString.do">
	</form><br>
	
	<form>
		<input type="text" value="url末尾输入:redirectString.do">
	</form><br>
	
	<form action="${pageContext.request.contextPath}/testList.do">
		<input type="submit" value="提交:testList.do">
	</form><br>
</body>
</html>

item_list.jsp:

SpringMVC入门

运行结果：

SpringMVC入门

SpringMVC入门

示例1 ：

示例2：

示例3：

相关推荐