/// <summary>
/// 调用外部函数
/// </summary>
/// <param name="filepath">待匹配文件</param>
/// <param name="key">待搜索键</param>
/// <returns></returns>
private void DocumentContainsKey(string filepath, string key, Dictionary <string, string> zipDic)
{
using (var process = new Process())
{
process.StartInfo.FileName = @"java";
process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.RedirectStandardInput = true;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.Arguments = @"-jar C:\Users\andys\source\repos\searchdocs\Csapp_ReadFile.jar";
process.OutputDataReceived += new DataReceivedEventHandler((sender, e) =>
{
if (!string.IsNullOrEmpty(e.Data))
{
if (int.TryParse(e.Data, out int val))
{
if (val > 0)
{
//转为.zip路径
var isContained = false;
if (zipDic.ContainsKey(filepath))
{
filepath = zipDic[filepath];
if (listSet.Contains(filepath))
{
isContained = true;
}
else
{
//更新list中的.zip路径
listSet.Add(filepath);
}
}
var fileInfo = new FileInfo(filepath);
// 存入redis缓存
RedisHelper.ListPush(GetCombinedKey(key), filepath);
// 存入文件MD5摘要
RedisHelper.Set(GetMD5Key(filepath), MD5Checker.GetFileMD5(filepath));
// 如果.zip目录不在list中，加入UI
if (!isContained)
{
FilesListView.Dispatcher.BeginInvoke(new Action(() =>
{
FilesListView.Items.Add(new FileItemInfo(fileInfo.Name, "file", filepath));
}));
}
}
process.Kill();
}
}
});
process.Start();//启动程序
process.BeginOutputReadLine();
process.StandardInput.AutoFlush = true;
process.StandardInput.WriteLine(filepath);
process.StandardInput.WriteLine(key);
process.WaitForExit();
}
}
/// <summary>
/// 根据key搜索当前目录下匹配的文件
/// </summary>
/// <param name="dir">当前文件夹</param>
/// <param name="key">搜索关键字</param>
public void SearchInSelectedDir(string dir, string key)
{
var swTotal = Stopwatch.StartNew();
stopwatch.Start();
FilesListView.Items.Clear();
string combinedKey = GetCombinedKey(key);
if (RedisHelper.Exists(combinedKey))
{
MessageBox.Show("从缓存获取成功");
matchedFilenameList = RedisHelper.ListGet <string>(combinedKey);
foreach (var matchedPath in matchedFilenameList)
{
// 判断文件更新
string oriMD5 = RedisHelper.Get <string>(GetMD5Key(matchedPath));
string curMD5 = MD5Checker.GetFileMD5(matchedPath);
if (oriMD5 != curMD5)
{
// 摘要发生变化
// todo 移除缓存
RenewFile(matchedPath, key);
}
}
DispMatchedFiles();
}
else
{
//提前解压缩
var sw = Stopwatch.StartNew();
var ziper = new Ziper();
TR.ZipSearched.AddRange(ziper.extract(dir));
sw.Stop();
TR.Zip = sw.Elapsed.TotalMilliseconds * 1e6;
TR.Doc = 0;
TR.Img = 0;
var files = Directory.GetFiles(curDirPath, "*.*", SearchOption.AllDirectories);
foreach (var filename in files)
{
if (IsImageFile(filename))
{
TR.ImgSearched.Add(filename);
Console.WriteLine(filename);
sw = Stopwatch.StartNew();
ImageContainsKey(filename, key);
sw.Stop();
TR.Img += sw.Elapsed.TotalMilliseconds * 1e6;
}
else if (IsDocFile(filename))
{
TR.DocSearched.Add(filename);
Console.WriteLine(filename);
sw = Stopwatch.StartNew();
DocumentContainsKey(filename, key, ziper.Table);
sw.Stop();
TR.Doc += sw.Elapsed.TotalMilliseconds * 1e6;
}
}
//清除被解压的文件夹
ziper.ClearFile();
}
stopwatch.Stop();
DispElapsedTime();
swTotal.Stop();
TR.Total = swTotal.Elapsed.TotalMilliseconds * 1e6;
}