package com.day01springmvc.controller; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.*; import org.springframework.web.servlet.ModelAndView; @Controller @RequestMapping("hello") public class HelloController2 { /** * 接收普通请求参数 * http://localhost:8080/hello/show16?name=linuxsir * url参数中的name必须要和@RequestParam("name")一致 * @return */ @RequestMapping("show16") public ModelAndView test16(@RequestParam("name")String name){ ModelAndView mv = new ModelAndView(); mv.setViewName("hello2"); mv.addObject("msg", "接收普通的请求参数:" + name); return mv; } /** * 接收普通请求参数 * http://localhost:8080/hello/show17 * url中没有name参数不会报错、有就显示出来 * @return */ @RequestMapping("show17") public ModelAndView test17(@RequestParam(value="name",required=false)String name){ ModelAndView mv = new ModelAndView(); mv.setViewName("hello2"); mv.addObject("msg", "接收普通请求参数:" + name); return mv; } /** * 接收普通请求参数 * http://localhost:8080/hello/show18?name=998 显示为998 * http://localhost:8080/hello/show18?name 显示为hello * @return */ @RequestMapping("show18") public ModelAndView test18(@RequestParam(value="name",required=true,defaultValue="hello")String name){ ModelAndView mv = new ModelAndView(); mv.setViewName("hello2"); mv.addObject("msg", "接收普通请求参数:" + name); return mv; } }
SpringMVC中@RequestParam 的使用
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转载自www.cnblogs.com/123-shen/p/12114286.html
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