安装路径修复

packaging/windows/installer.nsh

@@ -0,0 +1,61 @@
+!include "LogicLib.nsh"
+
+!ifdef BUILD_UNINSTALLER
+  Var /GLOBAL PicHostDeleteData
+!endif
+
+!macro customInstall
+  CreateDirectory "$INSTDIR\data"
+  ${If} $installMode == "all"
+    nsExec::ExecToLog 'icacls "$INSTDIR\data" /grant *S-1-5-32-545:(OI)(CI)M'
+  ${EndIf}
+!macroend
+
+!macro customUnInstall
+  StrCpy $PicHostDeleteData "0"
+  ${IfNot} ${isUpdated}
+    ${IfNot} ${Silent}
+      MessageBox MB_YESNO|MB_DEFBUTTON2 "是否删除 $INSTDIR\data 中的 PicHost 数据？$\r$\n$\r$\n选择“否”将保留数据库、图片、视频和备份。" IDYES PicHostDeleteDataYes
+      Goto PicHostDeleteDataDone
+      PicHostDeleteDataYes:
+        StrCpy $PicHostDeleteData "1"
+      PicHostDeleteDataDone:
+    ${EndIf}
+  ${EndIf}
+!macroend
+
+!macro customRemoveFiles
+  StrCpy $R1 "$INSTDIR\..\PicHost-data-backup"
+
+  ${If} $PicHostDeleteData == "1"
+    RMDir /r "$INSTDIR\data"
+  ${Else}
+    IfFileExists "$INSTDIR\data\*.*" 0 PicHostDataHandled
+    IfFileExists "$R1" 0 PicHostMoveData
+      MessageBox MB_ICONSTOP "无法保护现有的 PicHost 数据，已取消卸载。"
+      Abort
+
+    PicHostMoveData:
+      ClearErrors
+      Rename "$INSTDIR\data" "$R1"
+      IfErrors 0 PicHostDataHandled
+        MessageBox MB_ICONSTOP "无法将 PicHost 数据移动到安全位置，已取消卸载。"
+        Abort
+
+    PicHostDataHandled:
+  ${EndIf}
+
+  SetOutPath "$TEMP"
+  RMDir /r "$INSTDIR"
+
+  ${If} $PicHostDeleteData != "1"
+    IfFileExists "$R1\*.*" 0 PicHostDataRestoreDone
+      CreateDirectory "$INSTDIR"
+      ClearErrors
+      Rename "$R1" "$INSTDIR\data"
+      IfErrors 0 PicHostDataRestoreDone
+        MessageBox MB_ICONEXCLAMATION "PicHost 已卸载，但数据保留在：$\r$\n$R1"
+
+    PicHostDataRestoreDone:
+  ${EndIf}
+!macroend