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infinite scroll

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This commit is contained in:
quantulr
2023-05-14 19:59:43 +08:00
parent e06dd8d9dd
commit c430ef1621
14 changed files with 404 additions and 304 deletions
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139
lib/material/home.dart
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@ -1,5 +1,6 @@
import 'package:dio/dio.dart';
import 'package:file_picker/file_picker.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
@ -47,82 +48,84 @@ class _HomePageState extends ConsumerState<HomePage> {
),
elevation: 10,
),
floatingActionButton:
selectedIndex == 0 && GoRouterState.of(context).fullpath == "/"
? (!uploading
? FloatingActionButton(
onPressed: () async {
FilePickerResult? result = await FilePicker.platform
.pickFiles(type: FileType.image);
floatingActionButton: selectedIndex == 0 &&
GoRouterState.of(context).fullpath == "/"
? (!uploading
? FloatingActionButton(
onPressed: () async {
FilePickerResult? result = await FilePicker.platform
.pickFiles(type: FileType.image);
if (result != null) {
String? filePath = result.files.first.path;
if (filePath == null) {
return;
}
String? mimeType = lookupMimeType(filePath);
FormData data = FormData.fromMap({
"pic": await MultipartFile.fromFile(filePath,
filename: result.files.first.name,
contentType: MediaType(
mimeType!.split("/").first,
mimeType.split("/").last))
});
setState(() {
uploading = true;
});
await dio.post("/image/upload", data: data,
onSendProgress: (sended, total) {
print("$sended / $total");
setState(() {
uploadProgress = sended / total;
});
}).then((value) {
setState(() {
uploading = false;
});
ref.read(uniqueIdProvider.notifier).updateId();
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: const [
Icon(
Icons.check_circle,
color: Colors.white,
),
SizedBox(
width: 10,
),
Text("上传成功")
],
if (result != null) {
String fileName = result.files.first.name;
String? mimeType = lookupMimeType(fileName);
MultipartFile file;
if (kIsWeb) {
final fileBytes = result.files.first.bytes;
file = MultipartFile.fromBytes(fileBytes as List<int>,
filename: result.files.first.name,
contentType: MediaType(mimeType!.split("/").first,
mimeType.split("/").last));
} else {
String? filePath = result.files.first.path;
if (filePath == null) {
return;
}
file = await MultipartFile.fromFile(filePath,
filename: result.files.first.name,
contentType: MediaType(mimeType!.split("/").first,
mimeType.split("/").last));
}
FormData data = FormData.fromMap({"pic": file});
setState(() {
uploading = true;
});
await dio.post("/image/upload", data: data,
onSendProgress: (sended, total) {
print("$sended / $total");
setState(() {
uploadProgress = sended / total;
});
}).then((value) {
setState(() {
uploading = false;
});
ref.read(uniqueIdProvider.notifier).updateId();
ScaffoldMessenger.of(context)
.showSnackBar(const SnackBar(
content: Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Icon(
Icons.check_circle,
color: Colors.white,
),
backgroundColor: Colors.lightGreen,
));
});
} else {}
},
child: const Icon(Icons.add),
)
: FloatingActionButton(
onPressed: null,
child: CircularProgressIndicator(
value: uploadProgress,
),
))
: null,
SizedBox(
width: 10,
),
Text("上传成功")
],
),
backgroundColor: Colors.lightGreen,
));
});
} else {}
},
child: const Icon(Icons.add),
)
: FloatingActionButton(
onPressed: null,
child: CircularProgressIndicator(
value: uploadProgress,
),
))
: null,
body: Row(
children: [
MediaQuery.of(context).size.width > 640
? NavigationRail(
elevation: 10,
backgroundColor: const Color(0xffebf6f5),
leading: MediaQuery.of(context).size.width >= 1008
? const Text(
"Side Header",
style: TextStyle(
fontWeight: FontWeight.bold, fontSize: 36),
)
: null,
onDestinationSelected: (idx) {
setState(() {
selectedIndex = idx;