Spring MVC 学习 之 - URL参数传递

@Controller
public class UserAction 
{
    @RequestMapping(value = "/get_alluser.html")
   public ModelAndView GetAllUser(String Id)
   {
   }
}

     /*
      *   直接输出 HTML，或JSON 字符串
      *   请求路径:
      *       /web1/urlinfo/getcontent.html?key=rhythmk
      *      /web1/urlinfo/getcontent.json?key=rhythmk
      * */
    @ResponseBody
    @RequestMapping(value = "/getcontent.**")
    public String GetContent(
            @RequestParam("key") String key,
            @RequestParam(value = "key2", required = false, defaultValue = "defaultValue") String key2) {
        System.out.println("getcontent 被调用");
        String result = "直接返回内容  - key:" + key + ",key2:" + key2;
        System.out.println(result);
        return result;
    }

    /*
     * RequestMapping 支持 Ant 风格的URL配置 ：
     *  请求路径：
     *     /urlinfo/geturlant/config.html?key=adddd
     */
    @ResponseBody
    @RequestMapping(value = "/geturlant/**.html")
    public String getUrlAnt(HttpServletRequest request) {
        String result = "?后面的参数为：" + request.getQueryString();
        return result;
    }

    /*
     * 配置指定格式的URL，映射到对应的参数
     *   请求路径：/web1/urlinfo/geturlparam/12_123.html
     *     
     * */
    
    @RequestMapping(value = "/geturlparam/{id}_{menuId}.html")
    public ModelAndView getUrlParam(@PathVariable("id") String id,
            @PathVariable("menuId") String menuId) {
        ModelAndView mode = new ModelAndView(ShowMsg);
        mode.addObject("msg", "获取到的Id:" + id + ",menuId:" + menuId);
        return mode;
    }

    /*
     * 只接收Post 请求
     */
    @ResponseBody
    @RequestMapping(value = "/posturl.html", method = RequestMethod.POST)
    public String UrlMethod(@RequestParam String id) {
        return "只能是Post请求,获取到的Id:" + id;
    }

    /*
     *   写入 cookie
     * */ 
    @RequestMapping("/writecookies.html")
    public ModelAndView writeCookies(@RequestParam String value,
            HttpServletResponse response) {

        response.addCookie(new Cookie("key", value));
        ModelAndView mode = new ModelAndView(ShowMsg);
        mode.addObject("msg", "cookies 写入成功");
        return  mode ;
    }

      /*
       *  通过 @CookieValue 获取对应的key的值
       * */
    @RequestMapping("/getcookies.html")
    public ModelAndView getCookie(@CookieValue("key") String cookvalue) {
        ModelAndView mode = new ModelAndView(ShowMsg);
        mode.addObject("msg", "cookies=" + cookvalue);
        return mode;
    }

    /* 
     * 将 Servlet Api 作为参数传入 
     *   可以在action中直接使用  HttpServletResponse，HttpServletRequest
     * */
    @RequestMapping("/servlet.html")
    public String Servlet1(HttpServletResponse response,
            HttpServletRequest request) {

        Boolean result = (request != null && response != null);
        ModelAndView mode = new ModelAndView();
        mode.addObject("msg", "result=" + result.toString());
        return ShowMsg;

    }

    /*
     *   根据URL传入的参数实例化对象
     *   
     *   如： http://127.0.0.1:8080/web1/urlinfo/getobject.html?UserId=1&UserName=ad
     * */
    @RequestMapping("getobject.html")
    public ModelAndView getObject(UserInfo user) {
        String result = "用户ID：" + user.getUserId().toString() + ",用户名:"
                + user.getUserName().toString();
        ModelAndView mode = new ModelAndView(ShowMsg);
        mode.addObject("msg", "result=" + result.toString());
        return mode;
    }

    /* 
     * 实现页面跳转
     * /web1/urlinfo/redirectpage.html
     * */
    @RequestMapping("/redirectpage.html")
    public String RedirectPage()
    {
        return  "redirect:getcookies.html?r=10"; 
                
    }