引荐课程:Java教程,
体式格局1:当然是手敲一切代码,来举行json数据的返回。
须要 HttpHttpServletRequest request HttpServletResponse response
背景:
@RequestMapping(value="/haha") public void xxx (HttpHttpServletRequest request,HttpServletResponse response) { JSONObject json =new JSONObject(); json.put("result"," success") response.setCharacterEncoding("utf-8"); response.setContentType("application/json;charset=utf-8"); PrintWriter out = null; out = response.getWriter(); out.write(json.toString()); }
前端:
$.ajax({ data : { // userNameOrTel: $("#user").val(), // password: $("#pwd").val() }, type : "post", url : "admin/login/", dataType : "json", contentType : "application/json;charset=utf-8", async : false, //同步 异步 success : function(data) { debugger; } } });
体式格局 2: @ResponseBody 注解
背景:
@ResponseBody @RequestMapping(value="/haha") public Msg xxx (){ return msg }
前端:
$.ajax({ data : { // userNameOrTel: $("#user").val(), // password: $("#pwd").val() }, type : "post", url : "admin/login/", dataType : "json", contentType : "application/json;charset=utf-8", async : false, //同步 异步 success : function(data) { debugger; } } });
体式格局 3 : @RestController 注解 (此类里的所以要领返回值都是 Json)
前端 :
data:JSON.stringify({'channelId':channelId}), success:function(data){ alert(data.channelId); }, contentType:'application/json;charset=utf-8'
背景:
@RequestMapping(value="/login",produces="application/json;charset=UTF-8") @ResponseBody public String test2() { }
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