feat:增加对话框工具类

This commit is contained in:
2025-11-23 23:07:36 +08:00
parent 98b389a6ff
commit 1953e43ca4
11 changed files with 669 additions and 93 deletions

View File

@@ -12,6 +12,15 @@ List<T> convertList<T>(
);
}
List<String> convertStringList(dynamic data) {
if (data is List) {
return data.map((item) => item.toString()).toList();
}
throw FormatException(
'Expected a list of items for conversion, but got ${data.runtimeType}',
);
}
PageResult<T> convertPage<T>(
dynamic data,
T Function(Map<String, dynamic>) fromJson,

50
lib/utils/file_utils.dart Normal file
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@@ -0,0 +1,50 @@
import 'dart:io';
import 'package:crypto/crypto.dart';
import 'package:flutter_image_compress/flutter_image_compress.dart';
import 'log_utils.dart';
String getFileExtension(String fileName) {
if (fileName.contains('.')) {
return '.${fileName.split('.').last.toLowerCase()}';
}
return '';
}
Future<String> generateMD5HashName(String filePath) async {
final file = File(filePath);
final bytes = await file.readAsBytes();
final hash = md5.convert(bytes);
return hash.toString();
}
// 图片压缩方法
Future<File> compressImage(File file) async {
try {
// 获取压缩后的文件路径
final result = await FlutterImageCompress.compressAndGetFile(
file.absolute.path,
'${file.parent.path}/compressed_${DateTime.now().millisecondsSinceEpoch}.jpg',
minWidth: 800,
minHeight: 600,
quality: 70,
format: CompressFormat.jpeg,
);
if (result == null) {
throw Exception('图片压缩失败');
}
return File(result.path);
} catch (e) {
logger.e('图片压缩失败,使用原文件: $e');
return file;
}
}
// 检查是否为图片文件
bool isImageFile(String fileName) {
final imageExtensions = ['.jpg', '.jpeg', '.png', '.gif', '.bmp', '.webp'];
final extension = fileName.toLowerCase().substring(fileName.lastIndexOf('.'));
return imageExtensions.contains(extension);
}

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@@ -0,0 +1,58 @@
import 'dart:io';
import 'package:file_picker/file_picker.dart';
import 'package:minio/io.dart';
import 'package:minio/minio.dart';
import 'file_utils.dart';
class MinIOHelper {
static final MinIOHelper _instance = MinIOHelper._internal();
factory MinIOHelper() => _instance;
final String ip = '14.103.235.151';
final String fileUrl = 'http://14.103.235.151:9100';
MinIOHelper._internal() {
_minio = Minio(
endPoint: ip,
port: 9100,
accessKey: "tHSFfcDW8qpCzKa2Xg6Y",
secretKey: "oq79EeYJ4jdczRp2IHUMCnbKtSw58NgDlG3sOkvX",
useSSL: false,
);
}
late Minio _minio;
Future<String> uploadFile({
required PlatformFile file,
required String bucketName,
Function(double)? onProgress,
}) async {
try {
if (isImageFile(file.name)) {
// 压缩图片
final compressedFile = await compressImage(File(file.path!));
String hashName = await generateMD5HashName(compressedFile.path);
String fileName = '$hashName${getFileExtension(file.name)}';
await _minio.fPutObject(bucketName, fileName, compressedFile.path);
await compressedFile.delete();
return fileName;
} else {
String hashName = await generateMD5HashName(file.path!);
String fileName = '$hashName${getFileExtension(file.name)}';
await _minio.fPutObject(bucketName, fileName, file.path!);
return fileName;
}
} catch (e) {
throw Exception('文件上传失败: $e');
}
}
}

48
lib/utils/toast_util.dart Normal file
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@@ -0,0 +1,48 @@
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
class ToastUtil {
static void success(String message) {
Fluttertoast.showToast(
msg: message,
toastLength: Toast.LENGTH_SHORT,
gravity: ToastGravity.TOP,
backgroundColor: Colors.green,
textColor: Colors.white,
fontSize: 16.0,
);
}
static void error(String message) {
Fluttertoast.showToast(
msg: message,
toastLength: Toast.LENGTH_SHORT,
gravity: ToastGravity.TOP,
backgroundColor: Colors.red,
textColor: Colors.white,
fontSize: 16.0,
);
}
static void warning(String message) {
Fluttertoast.showToast(
msg: message,
toastLength: Toast.LENGTH_SHORT,
gravity: ToastGravity.TOP,
backgroundColor: Colors.orange,
textColor: Colors.white,
fontSize: 16.0,
);
}
static void info(String message) {
Fluttertoast.showToast(
msg: message,
toastLength: Toast.LENGTH_SHORT,
gravity: ToastGravity.TOP,
backgroundColor: Colors.blue,
textColor: Colors.white,
fontSize: 16.0,
);
}
}