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flask中使用ajax 处理前端请求，每隔一段时间请求不通的接口，结果展示同一页面

需求：

用到 setTimeout方法，setTimeout(function(){},1000)；setTimeout 中的 function 为第二次请求就可以了

效果如图：请求了二个接口，间隔5秒，展示在同一页面

html：test.html

  1 <html>
  2 <head></head>
  3 <body>
  4 
  5 <div class="header">
  6     <h4>标题XXX</h4>
  7 </div>
  8 <div class="body">
  9     <form class="form" method="post">
 10         <br class="form-a"/>
 11         <div class="form-b">
 12             <label for="aaa">&nbsp;&nbsp;&nbsp;&nbsp;XXX:&nbsp;&nbsp; <input class="form-control1" type="a" id="a"
 13                                                                              name="a" maxlength="11"
 14                                                                              placeholder="请输入XXX"/> </label>
 15         </div>
 16         <div class="box">
 17             <label>&nbsp;XXXX:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</label>
 18             <label class="radio"> <input type="radio" id="b" name="b" value="0" checked=""/><span>b1</span> </label>
 19             <label class="radio"> <input type="radio" id="b" name="b" value="1"/><span>b2</span> </label>
 20         </div>
 21         <br/>
 22         <div class="form">
 23             &nbsp;&nbsp;&nbsp;&nbsp;
 24             <button class="btn btn-primary" type="button" id="notify">查询</button>
 25         </div>
 26     </form>
 27 </div>
 28 
 29 <div class="c" id="show2" style="display:none">
 30     <div class="header">
 31         <h4>结果：</h4>
 32     </div>
 33     <div class="body" id="show3">
 34     </div>
 35     </div>
 36     <div class="body" id="show4">
 37     </div>
 38 </div>
 39 </body>
 40 // static 根据自己实际路径填写
 41 <script type="text/javascript" src="static/js/main.min.js"></script>
 42 <script type="text/javascript" src="static/js/jquery.min.js"></script>
 43 
 44 <script type="text/javascript">
 45 
 46     // 消息提示
 47     $('#notify').on('click', function () {
 48         // ajax
 49         var b = $("input[name='b']:checked").val();
 50         var a = $("input[name='a']").val();
 51         var data = {
 52             data: JSON.stringify({
 53                 'b': b,
 54                 'a': a
 55             }),
 56         }
 57 
 58         if (a.length = 0) {
 59             alert('XXXXX不能为空');
 60             return;
 61         }
 62         $.ajax({
 63             type: "POST",
 64             dataType: "json",
 65             url: "/test1",//调用后台test1方法
 66             data: data,
 67             success: function (result) {
 68                 console.log(result);
 69                 {
 70                     $('#show2').show() //此处展示
 71                     $("#show3").html(result)
 72 
 73                     setTimeout(function () {
 74                         $.ajax({
 75                         type: "POST",
 76                         dataType: "json",
 77                         url: "/test2",//调用后台test2方法
 78                         data: data,
 79                         success: function (result) {
 80 {#                            console.log('11111')#}
 81                             console.log(result);
 82                             {
 83                                 $("#show4").html(result)
 84 
 85                             }
 86                         },
 87                         error: function (result) {
 88 {#                            console.log(result);//#}
 89                             {
 90                                 alert(result);
 91                             }
 92                         }
 93                     });
 94                     },5000) // 间隔5秒
 95 
 96                 }
 97             },
 98             error: function (result) {
 99 {#                console.log(result);//#}
100                 {
101                     alert(result);
102                 }
103             }
104         });
105 
106     })
107 
108 
109 </script>
110 </html>

View Code

flask：

 1 # 页面
 2 @app.route('/test',methods=['GET','POST'])
 3 def test():
 4     return render_template("test/test.html")
 5 
 6 
 7 # test1
 8 @app.route('/test112',methods=['GET','POST'])
 9 def test112():
10     data = json.loads(request.form.get('data'))
11     b = data['b']
12     a = data['a']
13     res = b,a
14     return jsonify(res)
15 
16 # test2
17 @app.route('/test2',methods=['GET','POST'])
18 def test113():
19     data = json.loads(request.form.get('data'))
20     b = data['b']
21     a = data['a']
22     res = a
23     return jsonify(res)

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原文地址：https://www.cnblogs.com/whycai/p/11266034.html