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+# sy_flutter_qiniu_storage
+
+七牛云对象存储SDK，兼容iOS和Android
+- 上传大文件
+- 进度监听
+- 取消上传
+
+### 官方文档
+- [iOS](https://developer.qiniu.com/kodo/sdk/1240/objc)
+- [Android](https://developer.qiniu.com/kodo/sdk/1236/android)
+
+### 使用方法
+
+#### iOS集成
+无需任何操作
+
+#### Android集成
+无需任何操作
+
+```dart
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:image_picker/image_picker.dart';
+import 'package:sy_flutter_qiniu_storage/sy_flutter_qiniu_storage.dart';
+
+void main() => runApp(new MyApp());
+
+class MyApp extends StatefulWidget {
+  @override
+  _MyAppState createState() => new _MyAppState();
+}
+
+class _MyAppState extends State<MyApp> {
+  double _process = 0.0;
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  _onUpload() async {
+    String token = '从服务端获取的token';
+    File file = await ImagePicker.pickVideo(source: ImageSource.camera);
+    if (file == null) {
+      return;
+    }
+    final syStorage = new SyFlutterQiniuStorage();
+    //监听上传进度
+    syStorage.onChanged().listen((dynamic percent) {
+      double p = percent;
+      setState(() {
+        _process = p;
+      });
+      print(percent);
+    });
+
+    String key = DateTime.now().millisecondsSinceEpoch.toString() +
+        '.' +
+        file.path.split('.').last;
+    //上传文件
+    var result = await syStorage.upload(file.path, token, key);
+    print(result);
+  }
+
+  //取消上传
+  _onCancel() {
+    SyFlutterQiniuStorage.cancelUpload();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return new MaterialApp(
+      home: new Scaffold(
+        appBar: new AppBar(
+          title: const Text('七牛云存储SDK demo'),
+        ),
+        body: Padding(
+          padding: const EdgeInsets.all(8.0),
+          child: new Column(
+            mainAxisAlignment: MainAxisAlignment.spaceAround,
+            children: <Widget>[
+              LinearProgressIndicator(
+                value: _process,
+              ),
+              RaisedButton(
+                child: Text('上传'),
+                onPressed: _onUpload,
+              ),
+              RaisedButton(
+                child: Text('取消上传'),
+                onPressed: _onCancel,
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}
+```
+
+##
+其它Flutter Plugin
+- [sy_flutter_widgets](https://github.com/lishuhao/sy_flutter_widgets)
+- [支付宝](https://github.com/lishuhao/sy_flutter_alipay)
+- [微信支付](https://github.com/lishuhao/sy_flutter_wechat)