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30 lines
901 B
30 lines
901 B
3 weeks ago
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import 'dart:io';
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import 'package:get/get.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:path/path.dart';
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import 'package:path_provider/path_provider.dart';
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class ImageController extends GetxController {
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// Rxn 表示 nullable 的响应式类型
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final Rxn<File> selectedImage = Rxn<File>();
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// 从相册选取并复制
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Future<void> pickAndCopyImage() async {
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// 调用 ImagePicker 选取
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final picked = await ImagePicker().pickImage(source: ImageSource.gallery);
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if (picked == null) return;
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final originalFile = File(picked.path);
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// 获取应用文档目录
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final appDir = await getApplicationDocumentsDirectory();
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final fileName = basename(picked.path);
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// 复制到应用目录
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final copiedFile = await originalFile.copy('${appDir.path}/$fileName');
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// 更新响应式状态
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selectedImage.value = copiedFile;
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}
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}
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