UploadTask.offHeadersReceived

    示例

    • SWAN
    • JS
    2.     offHeadersReceived() {      
    3.         swan.chooseImage({
    4.             success: res => {
    5.                 let uploadTask = swan.uploadFile({
    6.                     //开发者服务器 url
    7.                     url: 'https://smartprogram.baidu.com/xxx',
    9.                     // 要上传文件资源的路径
    11.                     name: 'myfile',
    12.                     header: {
    14.                     },
    15.                     formData: {
    16.                         'user': 'swan'
    17.                     },
    18.                     success: () =>{
    19.                         console.log('uploadFile success');
    20.                     },
    21.                     fail: err => {
    22.                         console.log('uploadFile fail');
    23.                     }
    26.                     swan.showModal({
    27.                         title: 'onHeadersReceived',
    28.                         content: JSON.stringify(res)
    29.                     });
    31.                     // 不传递 cb 将删除此对象上所有 HTTP Response Header 事件的回调函数
    32.                     uploadTask.offHeadersReceived();
    33.                 };
    34.                 uploadTask.onHeadersReceived(cb);
    35.             }
    36.         })
    37.     }