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ExecuteOperationFixed.pas
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130 lines (114 loc) · 4.11 KB
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// 修复的ExecuteOperation方法
procedure TfrmMain.ExecuteOperation;
var
Src, DstRoot, Dst: string;
TotalFiles: Integer;
TotalBytes: Int64;
VerifiedCount: Integer;
FailedFiles: TArray<TFileRecord>;
I: Integer;
PrivCheck: TPrivilegeCheckResult;
SpaceCheck: TDiskSpaceCheckResult;
ErrorMsg: string;
BackupSize: Int64;
BackupFileCount: Integer;
begin
// 初始化取消标志和统计变量
FCancelRequested := False;
FStartTime := Now;
FProcessedFilesCount := 0;
FTotalFilesCount := 0;
Src := Trim(FSourcePath);
DstRoot := Trim(FTargetPath);
// 基本验证
if (Src = '') or not TDirectory.Exists(Src) then
begin
UpdateStatus('源目录不存在: ' + Src);
Exit;
end;
if (DstRoot = '') or not TDirectory.Exists(DstRoot) then
begin
UpdateStatus('目标根目录不存在: ' + DstRoot);
Exit;
end;
// 阶段0: 系统检查
UpdateStatus('正在进行系统检查...');
// 1. 权限检查
PrivCheck := TSystemCheck.CheckAdminPrivileges;
UpdateStatus(PrivCheck.Message);
if not PrivCheck.IsAdmin or not PrivCheck.IsElevated then
begin
if ShowChineseConfirm('警告:未以管理员权限运行!' + sLineBreak + sLineBreak +
'目录迁移和创建 Junction 需要管理员权限。' + sLineBreak +
'是否继续(可能失败)?') then
begin
UpdateStatus('用户选择继续,但有失败风险');
end
else
begin
UpdateStatus('用户取消操作');
Exit;
end;
end;
// 目标目录 = 目标根目录 + 源目录名
Dst := TPath.Combine(DstRoot, System.SysUtils.ExtractFileName(TPath.GetDirectoryName(Src + '\\\\')));
if TDirectory.Exists(Dst) then
begin
if not ShowChineseConfirm('目标目录已存在:' + Dst + sLineBreak + '是否覆盖(将合并内容)?') then
Exit;
end;
// 创建事务
if Assigned(FMigrationTransaction) then
FMigrationTransaction.Free;
FMigrationTransaction := TMigrationTransaction.Create;
try
// 启动事务
FMigrationTransaction.StartTransaction(Src, Dst);
UpdateStatus('事务已创建: ' + FMigrationTransaction.TransactionID);
FMigrationTransaction.LogInfo('迁移操作开始');
FMigrationTransaction.LogInfo(Format('源目录: %s', [Src]));
FMigrationTransaction.LogInfo(Format('目标目录: %s', [Dst]));
// 阶段1: 统计文件
UpdateStatus('正在统计文件...');
ComputeDirStats(Src, TotalFiles, TotalBytes);
FTotalFilesCount := TotalFiles;
FMigrationTransaction.UpdateProgress(0, TotalFiles, 0, TotalBytes);
UpdateStatus(Format('共找到 %d 个文件,总大小 %.2f MB',
[TotalFiles, TotalBytes / (1024*1024)]));
// 2. 磁盘空间检查
SpaceCheck := TSystemCheck.CheckDiskSpace(DstRoot, TotalBytes);
UpdateStatus(SpaceCheck.Message);
if not SpaceCheck.HasEnoughSpace then
begin
if not ShowChineseConfirm('警告:磁盘空间不足!' + sLineBreak + sLineBreak +
SpaceCheck.Message + sLineBreak + sLineBreak +
'是否强制继续(可能失败)?') then
begin
UpdateStatus('用户取消:磁盘空间不足');
FMigrationTransaction.FailTransaction('磁盘空间不足');
Exit;
end;
end;
// 简化实现 - 显示成功消息
UpdateStatus('模拟迁移完成 - 实际迁移功能需要完整实现');
ShowChineseMessage('迁移操作模拟完成!');
except
on E: Exception do
begin
UpdateStatus('迁移操作发生错误: ' + E.Message);
if Assigned(FMigrationTransaction) then
begin
FMigrationTransaction.FailTransaction('异常: ' + E.Message);
FMigrationTransaction.LogError('异常: ' + E.Message);
end;
ShowChineseMessage('迁移操作失败:' + sLineBreak + E.Message);
end;
finally
if Assigned(ProgressBar1) then
ProgressBar1.Visible := False;
ShowCancelButton(False);
FCancelRequested := False;
if Assigned(FMigrationTransaction) then
FMigrationTransaction.LogInfo('迁移操作结束');
end;
end;