srping mvc学习_html/css_WEB-ITnose
- WBOY原创
- 2016-06-24 11:27:29951浏览
- 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. */@Controllerpublic 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
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; } }环境：sts +tomcat - 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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