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axios -> 取消请求操作

作者:互联网

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
  <title>Document</title>
</head>

<body>
  <div>
    <button>发送</button>
    <button>取消</button>
  </div>
</body>
<script>
  const btn = document.querySelectorAll("button")
  //可以使用变量接受,也可以不用① 与下面的①对应
  // const CancelToken = axios.CancelToken; //如果使用变量定义下面出现①的位置就可以用这个变量代替
  let can = null
  btn[0].onclick = function () {//发送请求
    if (can !== null) {//判断用户是否多次点击请求,如果上一次的请求为完成前can就不会时null
      can("operation canseled by the user");//so 判断can就可以了 调用取消函数
    }
    axios({
      data: {
        name: "lisi",
        age: 17,
        gender: "1"
      },
      url: "https://api.it120.cc/conner/shop/goods/category/all",
      cancelToken: new axios.CancelToken/*CancelToken①*/(function executor(c) {
        can = c;//这里的c意义可能和e差不多
      })
    }).then(response => {
      const res = JSON.parse(response.config.data)
      if (res.gender === "1") {
        res.gender = "男"
      }
      console.log(res,response)
    })
  }

  btn[1].onclick = function () {//取消
    can('Operation canceled by the user.');//取消函数
  }
</script>

</html>

标签:function,axios,const,请求,取消,res,btn,CancelToken
来源: https://blog.csdn.net/Un_YUI/article/details/113620433