You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

65 lines
1.9 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Myshipping.Core
{
public static class StringExtentions
{
/// <summary>
/// 处理文件名称
/// </summary>
/// <param name="fn">文件名</param>
/// <returns>返回合法的文件名</returns>
public static string ValidFileName(this string fn)
{
char[] strs = "+#?*\"<>/;,-:%~".ToCharArray();
foreach (char c in strs)
fn = fn.Replace(c.ToString(), "_");
strs = ":,。;?".ToCharArray();
foreach (char c in strs)
fn = fn.Replace(c.ToString(), "_");
//去掉空格.
while (fn.Contains(" ") == true)
fn = fn.Replace(" ", "");
//替换特殊字符.
fn = fn.Replace("\t\n", "");
//处理合法的文件名.
StringBuilder rBuilder = new StringBuilder(fn);
foreach (char rInvalidChar in Path.GetInvalidFileNameChars())
rBuilder.Replace(rInvalidChar.ToString(), string.Empty);
fn = rBuilder.ToString();
fn = fn.Replace("__", "_");
fn = fn.Replace("__", "_");
fn = fn.Replace("__", "_");
fn = fn.Replace("__", "_");
fn = fn.Replace("__", "_");
fn = fn.Replace("__", "_");
fn = fn.Replace("__", "_");
fn = fn.Replace("__", "_");
fn = fn.Replace(" ", "");
fn = fn.Replace(" ", "");
fn = fn.Replace(" ", "");
fn = fn.Replace(" ", "");
fn = fn.Replace(" ", "");
fn = fn.Replace(" ", "");
fn = fn.Replace(" ", "");
fn = fn.Replace(" ", "");
if (fn.Length > 240)
fn = fn.Substring(0, 240);
return fn;
}
}
}