36 lines
888 B
Dart
36 lines
888 B
Dart
import 'package:dio/dio.dart';
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import 'package:flutter/cupertino.dart';
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class loadFileCancelRequest{
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late Function progressCallback;
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late Function successCallback;
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CancelToken token = CancelToken();
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load(String url, String path) async {
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Dio dio = Dio();
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await dio.download(url, path, cancelToken: token, onReceiveProgress: (received, total) {
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if (total != -1) {
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// 下载进度
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progressCallback((received / total));
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debugPrint("检查更新-下载进度：${(received / total)}");
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}
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}).then((onValue){
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// 下载成功
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successCallback();
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});
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}
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cancel() {
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token.cancel('取消请求');
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}
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setProgressCallbackListener(Function progressCallback){
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this.progressCallback = progressCallback;
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}
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setSuccessCallbackListener(Function successCallback){
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this.successCallback = successCallback;
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}
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} |