如何比较两个目录并获取丢失的文件?c#winform
这就是代码:如何比较两个目录并获取丢失的文件?c#winform,c#,winforms,directory,compare,C#,Winforms,Directory,Compare,这就是代码: enter code here private void button1_Click(object sender, EventArgs e) { try { string[] Folder1 = Directory.GetFiles(txtFolder1.Text, comboBox1.SelectedItem.ToString()); string[] Folder1FileNames =
enter code here
private void button1_Click(object sender, EventArgs e)
{
try
{
string[] Folder1 = Directory.GetFiles(txtFolder1.Text, comboBox1.SelectedItem.ToString());
string[] Folder1FileNames = new string[Folder1.Length];
int c = 0;
string fname1;
foreach (string f in Folder1)
{
fname1 = Path.GetFileName(f);
Folder1FileNames[c] = fname1;
c++;
}
string fname2;
string[] Folder2 = Directory.GetFiles(txtFolder2.Text, comboBox1.SelectedItem.ToString());
string[] Folder2FileNames = new string[Folder2.Length];
int t = 0;
foreach (string f in Folder2)
{
fname2 = Path.GetFileName(f);
Folder2FileNames[t] = fname2;
t++;
}
int m=0;
foreach (string f in Folder1FileNames)
{
while (f != Folder2FileNames[m] && m < Folder2FileNames.Length)
{
m++;
if (m == Folder2FileNames.Length)
{
Label newlabe = new Label();
newlabe.Text = f;
if(!listBox1.Items.Contains(newlabe.Text))
{
listBox1.Items.Add(newlabe.Text);
}
}
}
m = 0;
}
}
catch (Exception ex)
{
label1.Text = ex.Message;
}
在此处输入代码
私有无效按钮1\u单击(对象发送者,事件参数e)
{
尝试
{
字符串[]Folder1=Directory.GetFiles(txtFolder1.Text,comboBox1.SelectedItem.ToString());
string[]Folder1FileNames=新字符串[Folder1.Length];
int c=0;
字符串fname1;
foreach(Folder1中的字符串f)
{
fname1=Path.GetFileName(f);
Folder1FileNames[c]=fname1;
C++;
}
字符串fname2;
字符串[]Folder2=Directory.GetFiles(txtFolder2.Text,comboBox1.SelectedItem.ToString());
string[]Folder2FileNames=新字符串[Folder2.Length];
int t=0;
foreach(Folder2中的字符串f)
{
fname2=Path.GetFileName(f);
Folder2FileNames[t]=fname2;
t++;
}
int m=0;
foreach(Folder1FileNames中的字符串f)
{
while(f!=Folder2FileNames[m]&&m
我创建了两个数组,其中包含来自SourceDirectory(Folder1)和CompareDirectory(Folder2)的文件,然后创建了两个以上的数组,其中包含没有完整ptah的文件名(以便在Aray之间进行比较),然后我尝试在数组之间进行比较,并将缺少的文件添加到列表框中。
问题是,当我尝试它时,它给了我源文件夹中第一个丢失的文件(例如,源文件夹包含下一个文件:a.txt、b.txt、c.txt、d.txt,而比较文件夹包含:a.txt、b.txt,列表框中的结果将是c.txt,标签将显示:“您超出了数组索引”)
我该怎么办?
谢谢!您可以使用更简单、更整洁的解决方案,类似的解决方案应该可以:
var dir1Files = Directory
.EnumerateFiles(txtFolder1.Text, "*", SearchOption.AllDirectories)
.Select(Path.GetFileName);
var dir2Files = Directory
.EnumerateFiles(txtFolder2.Text, "*", SearchOption.AllDirectories)
.Select(Path.GetFileName);
var diffs = dir1Files.Except(dir2Files).Distinct().ToArray();
listBox1.Items.AddRange(diffs);
您可以使用更简单、更整洁的解决方案,类似的解决方案应该可以:
var dir1Files = Directory
.EnumerateFiles(txtFolder1.Text, "*", SearchOption.AllDirectories)
.Select(Path.GetFileName);
var dir2Files = Directory
.EnumerateFiles(txtFolder2.Text, "*", SearchOption.AllDirectories)
.Select(Path.GetFileName);
var diffs = dir1Files.Except(dir2Files).Distinct().ToArray();
listBox1.Items.AddRange(diffs);
谢谢你们,我用我的方式成功了。 这是我的旧代码:
int m=0;
foreach (string f in Folder1FileNames)
{
while (f != Folder2FileNames[m] && m < Folder2FileNames.Length)
{
m++;
if (m == Folder2FileNames.Length)
{
Label newlabe = new Label();
newlabe.Text = f;
if(!listBox1.Items.Contains(newlabe.Text))
{
listBox1.Items.Add(newlabe.Text);
}
}
}
m = 0;
}
intm=0;
foreach(Folder1FileNames中的字符串f)
{
while(f!=Folder2FileNames[m]&&m
新的是:`
int m = 0;
foreach (string f in Folder1FileNames)
{
m = 0;
while (f != Folder2FileNames[m] && m < Folder2FileNames.Length-1)
{
m++;
if (m == Folder2FileNames.Length-1)
{
if (Folder2FileNames[m] != f)
{
Label newlabe = new Label();
newlabe.Text = f;
if (!listBox1.Items.Contains(newlabe.Text))
{
listBox1.Items.Add(newlabe.Text);
}
}
}
}
}
intm=0;
foreach(Folder1FileNames中的字符串f)
{
m=0;
而(f!=Folder2FileNames[m]&&m
现在它工作得很好,这样我就不会脱离数组索引了谢谢你们,我用我的方式成功地做到了。
// Find the set difference between the two folders.
// For this example we only check one way.
var queryList1Only = (from file in list1
select file).Except(list2, myFileCompare);
Console.WriteLine("The following files are in list1 but not list2:");
foreach (var v in queryList1Only)
{
Console.WriteLine(v.FullName);
}
这是我的旧代码:
int m=0;
foreach (string f in Folder1FileNames)
{
while (f != Folder2FileNames[m] && m < Folder2FileNames.Length)
{
m++;
if (m == Folder2FileNames.Length)
{
Label newlabe = new Label();
newlabe.Text = f;
if(!listBox1.Items.Contains(newlabe.Text))
{
listBox1.Items.Add(newlabe.Text);
}
}
}
m = 0;
}
intm=0;
foreach(Folder1FileNames中的字符串f)
{
while(f!=Folder2FileNames[m]&&m
新的是:`
int m = 0;
foreach (string f in Folder1FileNames)
{
m = 0;
while (f != Folder2FileNames[m] && m < Folder2FileNames.Length-1)
{
m++;
if (m == Folder2FileNames.Length-1)
{
if (Folder2FileNames[m] != f)
{
Label newlabe = new Label();
newlabe.Text = f;
if (!listBox1.Items.Contains(newlabe.Text))
{
listBox1.Items.Add(newlabe.Text);
}
}
}
}
}
intm=0;
foreach(Folder1FileNames中的字符串f)
{
m=0;
而(f!=Folder2FileNames[m]&&m
现在它工作得很好,这样我就不会脱离数组索引
// Find the set difference between the two folders.
// For this example we only check one way.
var queryList1Only = (from file in list1
select file).Except(list2, myFileCompare);
Console.WriteLine("The following files are in list1 but not list2:");
foreach (var v in queryList1Only)
{
Console.WriteLine(v.FullName);
}