服务器启动则自动装载这个servlet，实例化servlet，调用init方法，读取spring配置文件 <?xml version="1.0" encoding="UTF-8"?>
< web-appxmlns = " http://xmlns.jcp.org/xml/ns/javaee" xmlns: xsi= " http://www.w3.org/2001/XMLSchema-instance" xsi: schemaLocation= " http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" version = " 4.0" > < servlet> < servlet-name> </ servlet-name> < servlet-class> </ servlet-class> < init-param> < param-name> </ param-name> < param-value> </ param-value> </ init-param> < load-on-startup> </ load-on-startup> </ servlet> < servlet-mapping> < servlet-name> </ servlet-name> < url-pattern> </ url-pattern> </ servlet-mapping> </ web-app>
<%--Date: 2024/2/23Time: 20:44User: 孙显圣Version:1.0
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head><title>Title</title>
</head>
<body>
<form action="">username:<input name="username" type="text">password:<input name="password" type="password"><input type="submit" value="登录">
</form>
</body>
</html>package com. sun. web ; import org. springframework. stereotype. Controller ;
import org. springframework. web. bind. annotation. RequestMapping ;
@Controller
public class UserServlet { @RequestMapping ( value = "/login" ) public String login ( ) { System . out. println ( "login ok..." ) ; return "login_ok" ; }
} <%--Date: 2024/2/23Time: 20:54User: 孙显圣Version:1.0
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head><title>Title</title>
</head>
<body>
<h1>ok!</h1>
</body>
</html><?xml version="1.0" encoding="UTF-8"?>
< beansxmlns = " 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.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd" > < context: component-scanbase-package = " com.sun.web" /> < beanclass = " org.springframework.web.servlet.view.InternalResourceViewResolver" id = " internalResourceViewResolver" > < propertyname = " prefix" value = " /WEB-INF/pages/" /> < propertyname = " suffix" value = " .jsp" /> </ bean> </ beans>
package com. sun. web ; import org. springframework. stereotype. Controller ;
import org. springframework. web. bind. annotation. RequestMapping ;
import org. springframework. web. bind. annotation. RequestMethod ;
@Controller
@RequestMapping ( value = "/user" )
public class UserHandler { @RequestMapping ( value = "/buy" , method = RequestMethod . POST ) public String buy ( ) { System . out. println ( "buy方法被调用" ) ; return "success" ; } } < % -- Date : 2024 / 2 / 24 Time : 12 : 40 User : 孙显圣Version : 1.0
-- % >
< % @ page contentType= "text/html;charset=UTF-8" language= "java" % >
< html> < head> < title> Title < / title>
< / head>
< body> < h1> < / h1>
< / body>
< / html> < % -- Date : 2024 / 2 / 24 Time : 12 : 43 User : 孙显圣Version : 1.0
-- % >
< % @ page contentType= "text/html;charset=UTF-8" language= "java" % >
< html> < head> < title> Title < / title>
< / head>
< body> < form action= "user/buy" method= "post" > < input type= "submit" value= "提交" >
< / form>
< / body>
< / html>
@RequestMapping ( value = "/find" , method = RequestMethod . POST , params = "bookid" ) public String search ( String bookid) { System . out. println ( "bookid=" + bookid) ; return "success" ; }
<%--Date: 2024/2/24Time: 12:43User: 孙显圣Version:1.0
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head><title>Title</title>
</head>
<body>
<form action="user/find" method="post">输入bookid:<input name="bookid" type="text"><input type="submit" value="提交">
</form></body>
</html>
@RequestMapping ( value = "/message/aa/**" ) public String im ( ) { System . out. println ( "匹配成功" ) ; return "success" ; }
@RequestMapping ( value = "/reg/{username}/{password}" ) public String register ( @PathVariable ( "username" ) String name, @PathVariable ( "password" ) String password) { System . out. println ( "username = " + name + " password = " + password) ; return "success" ; }
@RequestMapping ( "/l1" ) public String h1 ( ) { return "success" ; } @RequestMapping ( "/l1" ) public String h2 ( ) { return "success" ; }
@GetMapping ( "/buy1" ) public String buy_ ( ) { return "success" ; }
@GetMapping ( "/hello" ) public String hello ( String email) { System . out. println ( email) ; return "success" ; }
@PostMapping ( "/computer" ) public String computer ( String brand, String price, String num) { System . out. println ( "brand=" + brand + " price=" + price + " num=" + num) ; return "success" ; }
<%--Date: 2024/2/24Time: 15:21User: 孙显圣Version:1.0
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head><title>Title</title>
</head>
<body>
<form action="user/computer" method="post">品牌：<input name="brand" type="text"><br>价格：<input name="price" type="text"><br>数量：<input name="num" type="text"><br><input type="submit" value="提交">
</form>
</body>
</html>
