- HOME 控制器
package ghy.webapp.myapp; import java.text.DateFormat; import java.util.Date; import java.util.Locale; import org.slf4j.Logger; import org.slf4j.LoggerFactory; 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.bind.annotation.RequestParam; /** * Handles requests for the application home page. */ @Controller public class HomeController { private static final Logger logger = LoggerFactory.getLogger(HomeController.class); /** * Simply selects the home view to render by returning its name. */ @RequestMapping(value = "/", method = RequestMethod.GET) public String home(Locale locale, Model model) { logger.info("Welcome home! The client locale is {}.", locale); Date date = new Date(); DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, locale); String formattedDate = dateFormat.format(date); model.addAttribute("serverTime", formattedDate ); return "home"; } @RequestMapping(value = "/Two", method = RequestMethod.GET) public String Two( int id,Model model ) { logger.info("two"); System.out.println("hello2 action:"+id); model.addAttribute("name", "huangjie"); //这个只有值没有键的情况下,使用Object的类型作为key,String-->string model.addAttribute("ok"); return "Two"; } } - Two.jsp 视图
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>欢迎</title> </head> <body> <h2>Hello World!</h2> <form action="login"> 用户名：<input id="username" name="username" type="text" value='${name}'></input><br> 密 码：<input id="username" name="password" type="password"></input><br> <input type="submit"> </form> <span>当前IP：<%=request.getRemoteAddr() %></span> </body> </html> - Two控制器
环境：sts +tomcat
package ghy.webapp.myapp; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; @Controller public class TwoController { @RequestMapping("login") //用来处理前台的login请求 private @ResponseBody String hello( @RequestParam(value = "username", required = false)String username, @RequestParam(value = "password", required = false)String password ){ return "Hello "+username+",Your password is: "+password; } } - 运行 http://localhost:8080/myapp 执行home控制器 ，http://localhost:8080/myapp/Two?id=3525是调用 Two控制器传参id
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