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/// <param name="input">Ðè½Ø¶ÏµÄ×Ö·û´®</param>
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protected string truncatedChars(string input, int length)
{
input = Server.HtmlEncode(input);
if (input.Length > length)
{
int pos = 0;
string result = "";
foreach (char chr in input)
{
if (Regex.IsMatch(chr.ToString(), "[^\x00-\xff]"))
{
pos += 2;
}
else
{
pos += 1;
}
result += chr.To
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'gif' => 'image/gif',
'jpg' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpe' => 'image/jpeg',
'bmp' => 'image/bmp',
'png' => 'image/png',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'pict' => 'image/x-pict',
'pic' => 'i ......
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