@RequestMapping("/testSpringMvcNoRequestParam")
public String testSpringMvcNoRequestParam( String userId,String userName){

    System.out.println(String.format("------ 請(qǐng)求參數(shù):uid :%s ,uname:%s------",userId,userName));

    return "success";
}

@RequestMapping("/testSpringMvcRequestParam")
public String testSpringMvcRequestParam(@RequestParam("uid") String userId,
                                        @RequestParam(value = "uname",required = false,defaultValue = "KH96-mvc") String userName,
                                        @RequestParam String userPwd){

    System.out.println(String.format("------ 請(qǐng)求參數(shù):uid :%s ,uname:%s,uPwd:%s------",userId,userName,userPwd));

    return "success";
}

@RequestMapping("/testSpringMvcNoRequestHeader")
public String testSpringMvcNoRequestHeader(@RequestHeader(value = "token",required = false,defaultValue = "KH96_mvc") String token){

    System.out.println(String.format("------ 請(qǐng)求頭參數(shù):token :%s ------",token));

    return "success";
}

@RequestMapping("/testSpringMvcCookieValue")
public String testSpringMvcCookieValue(@CookieValue("JSESSIONID") String sessionId){

    System.out.println(String.format("------ 請(qǐng)求cookie參數(shù):JSESSIONID :%s ------",sessionId));

    return "success";
}

@RequestMapping("/testSpringMvcBeanParam")
public String testSpringMvcBeanParam(UserVO userVO){

    System.out.println(String.format("------ 請(qǐng)求實(shí)體參數(shù):userVO :%s ------",userVO));

    return "success";
}

@RequestMapping("testSpringMvcServletAPI")
public  void testSpringMvcServletAIP(HttpServletRequest request, HttpServletResponse response,HttpSession session) throws IOException, ServletException {
    //獲取請(qǐng)求方式
    System.out.println(String.format("------ 請(qǐng)求方式：%s ------",request.getMethod()));

    //獲取請(qǐng)求參數(shù)
    System.out.println(String.format("------ 請(qǐng)求參數(shù)：%s ------",request.getParameter("userTel")));

    //手動(dòng)轉(zhuǎn)發(fā)
    // request.getRequestDispatcher("/WEB-INF/views/success.jsp").forward(request,response);

    //獲取session對(duì)象
    //手動(dòng)添加參數(shù)
    HttpSession sessionHad = request.getSession();

    //sessionHad.setAttribute("userTel",request.getParameter("userTel"));

    //方式2；直接將HttpSession對(duì)象聲明在請(qǐng)求處理方法的形參中，可以自動(dòng)獲取 session

    //重定向到
    //        response.sendRedirect("http://www.baidu.com");

}

@RequestMapping("/testSpringMvcModelAndView")
public ModelAndView testSpringMvcModelAndView(String userEmail){

    //創(chuàng)建一個(gè) ModelAndView 對(duì)象
    ModelAndView mav = new ModelAndView();

    //添加模型數(shù)據(jù)
    mav.addObject("uemail",userEmail);
    //可以添加多個(gè)模型數(shù)據(jù)，內(nèi)部使用ModelMap集合存放的
    mav.addObject("uage",18);

    //設(shè)置目標(biāo)視圖
    mav.setViewName("ok");

    //返回  ModelAndView 對(duì)象
    return  mav;

}

@RequestMapping("/testSpringMvcMap")
public  String testSpringMvcMap(String userEmail, Map<String,Object> map){

    //輸出map的目標(biāo)類型
    System.out.println(map.getClass().getName());
    //org.springframework.validation.support.BindingAwareModelMap

    //添加模型數(shù)據(jù)
    map.put("uemail",userEmail);

    //返回目標(biāo)視圖名稱
    return "ok";

}

@RequestMapping("/testSpringMvcModel")
public  String testSpringMvcModel(String userEmail, Model model){

    //添加模型數(shù)據(jù)
    model.addAttribute("uemail",userEmail);

    //返回目標(biāo)視圖名稱
    return "ok";

}

@RequestMapping("/testSpringMvcForward")
public String testSpringMvcForward(Map<String,Object> map){

    //轉(zhuǎn)發(fā)頁(yè)面跳轉(zhuǎn)
    //return "forward:/forward.jsp";

    //轉(zhuǎn)發(fā)到其他請(qǐng)求中
    //return "forward:/testSpringMvcModel?userEmail=123@qq.com";

    //自定義轉(zhuǎn)發(fā)，攜帶模型數(shù)據(jù)
    map.put("uaddr","nj_wd_kh96");

    return "forward:/testSpringMvcModel?userEmail=123@qq.com";
}

@RequestMapping("/testSpringMvcRedirect")
public String testSpringMvcRedirect(){

    //重定向頁(yè)面跳轉(zhuǎn)
    //return "redirect:/redirect.jsp";

    //重定向 可以重定向到 其他請(qǐng)求中
    return "redirect:/testSpringMvcModel?userEmail=123@qq.com";

}

<!-- JSON begin -->
<!--jackson-->
<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-core</artifactId>
    <version>2.8.4</version>
</dependency>
<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-databind</artifactId>
    <version>2.8.4</version>
</dependency>
<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-annotations</artifactId>
    <version>2.8.4</version>
</dependency>
<!--jackson-->
<!-- JSON end -->

<beans xmlns=
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
">
    <!-- 開(kāi)啟MVC 的注解掃描 -->
    <mvc:annotation-driven></mvc:annotation-driven>

</beans>

@RequestMapping("/testSpringMvcJson")
@ResponseBody
public UserVO testSpringMvcJson(){

    //模擬獲取去用戶詳情對(duì)象
    UserVO userVO = new UserVO();

    userVO.setUserId("KH96_01");
    userVO.setUserName("GKC");
    userVO.setUserPwd("123");

    return userVO;

}