SAF实现修改

pubspec.lock

@@ -57,6 +57,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.19.1"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      sha256: "92c9c43c383bfa1c32079d3bc492d55d6d4318044b7b47edaff8971cbb555c51"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.3.5+4"
   crypto:
     dependency: transitive
     description:
@@ -113,14 +121,70 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "7.0.1"
-  file_picker:
+  file_selector:
     dependency: "direct main"
     description:
-      name: file_picker
-      sha256: "1bbf65dd997458a08b531042ec3794112a6c39c07c37ff22113d2e7e4f81d4e4"
+      name: file_selector
+      sha256: bd15e43e9268db636b53eeaca9f56324d1622af30e5c34d6e267649758c84d9a
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "6.2.1"
+    version: "1.1.0"
+  file_selector_android:
+    dependency: transitive
+    description:
+      name: file_selector_android
+      sha256: "6a26687fa65cbc28a5345c7ae6f227e89f0b47740978a4c475b1a625da7a331b"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.5.2+8"
+  file_selector_ios:
+    dependency: transitive
+    description:
+      name: file_selector_ios
+      sha256: e2ecf2885c121691ce13b60db3508f53c01f869fb6e8dc5c1cfa771e4c46aeca
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.5.3+5"
+  file_selector_linux:
+    dependency: transitive
+    description:
+      name: file_selector_linux
+      sha256: "2567f398e06ac72dcf2e98a0c95df2a9edd03c2c2e0cacd4780f20cdf56263a0"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.9.4"
+  file_selector_macos:
+    dependency: transitive
+    description:
+      name: file_selector_macos
+      sha256: "5e0bbe9c312416f1787a68259ea1505b52f258c587f12920422671807c4d618a"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.9.5"
+  file_selector_platform_interface:
+    dependency: transitive
+    description:
+      name: file_selector_platform_interface
+      sha256: "35e0bd61ebcdb91a3505813b055b09b79dfdc7d0aee9c09a7ba59ae4bb13dc85"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.7.0"
+  file_selector_web:
+    dependency: transitive
+    description:
+      name: file_selector_web
+      sha256: "73181fbc5257776d8ecaa6a94ab3c8e920ad143b9132a6d984a9271dfc6928d3"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.9.5"
+  file_selector_windows:
+    dependency: transitive
+    description:
+      name: file_selector_windows
+      sha256: "62197474ae75893a62df75939c777763d39c2bc5f73ce5b88497208bc269abfd"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.9.3+5"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -134,14 +198,6 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "5.0.0"
-  flutter_plugin_android_lifecycle:
-    dependency: transitive
-    description:
-      name: flutter_plugin_android_lifecycle
-      sha256: "3854fe5e3bff0b113c658f260b90c95dea17c92db0f2addeac2e343dd9969785"
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.0.35"
   flutter_svg:
     dependency: "direct main"
     description: