springMVC的@RequestMapping的參數和用法

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RequestMapping註解裡麵包含的參數

 

value: 控制器名字也是url的映射

params：url中的參數，可以是多個

method: http請求的動作. get  post  put delete...

headers : 要求標頭參數

@PathVariable ：映射 URL 綁定佔位  ( 映射URL路徑裡面的變數)

 

@Controller//映射 控制器類@RequestMapping("/hellotest")public class Hello2 {    public final static String DISPATCHER  ="show";        @RequestMapping("/test")    public String testUrl(){                System.out.println("testUrl=http://localhost:8080/springMVC/hellotest/test");        return DISPATCHER;    }     /**      * get動作請求的測試      * @return      */    @RequestMapping(method=RequestMethod.GET,value="/testMethodGet")    public String testMethodGet(){        System.out.println("get..............");        return DISPATCHER;    }      /**     * post動作請求的測試     * @return     */    @RequestMapping(method=RequestMethod.POST,value="/testMethodPost")    public String testMethodPost(){        System.out.println("post..............");        return DISPATCHER;    }    /**     * 測試url中帶參數(未測試要求標頭資訊)     * @return     */    @RequestMapping(value="/testHeadersAndParams",            params={"username","sex!=1","password=123"},            method=RequestMethod.GET)    public String testHeadersAndParams(){        //url http://localhost:8080/springMVC/hellotest/testHeadersAndParams?username=10&password=123&sex=2        System.out.println("testHeadersAndParams");        return DISPATCHER;    }    //PathVariable 映射 URL 綁定佔位  ( 映射URL路徑裡面的變數)    @RequestMapping(value="/testPathVariable/{id}",method=RequestMethod.GET)    public String testPathVariable(@PathVariable("id") Integer id){        System.out.println("testPathVariable  id:"+id);        //http://localhost:8080/springMVC/hellotest/testPathVariable/5        return DISPATCHER;    }    @RequestMapping(value="/testPathVariable2/{name}",method=RequestMethod.GET)    public String testPathVariable2(@PathVariable("name") String name){        System.out.println("testPathVariable  name :"+name);        // http://localhost:8080/springMVC/hellotest/testPathVariable2/str      return DISPATCHER;    }    @RequestMapping()    public String test(){         return DISPATCHER;    }}

 

springMVC的@RequestMapping的參數和用法