/// <summary>
/// 获取指定字符隐藏后的字符串
/// </summary>
/// <param name="str">待隐藏字符串</param>
/// <param name="hiddenType">字符串隐藏类型</param>
/// <param name="hiddenLength">隐藏长度</param>
/// <param name="hiddenChar">隐藏字符</param>
/// <returns></returns>
public static string GetHiddenString(string str, StringHiddenType hiddenType = StringHiddenType.Start, int hiddenLength = 4, char hiddenChar = '*')
{
string retVal = str;
if (RegExpHelper.IsRightLength(str, (uint)hiddenLength + 1))
{
if (hiddenType == StringHiddenType.Start)
{
retVal = string.Format("{0}{1}", new string(hiddenChar, hiddenLength), str.Substring(hiddenLength));
}
else if (hiddenType == StringHiddenType.End)
{
retVal = string.Format("{0}{1}", str.Substring(0, str.Length - hiddenLength), new string(hiddenChar, hiddenLength));
}
else if (hiddenType == StringHiddenType.Middle)
{
var tmpArray = str.ToCharArray();
for (int i = 0; i < hiddenLength; i++)
{
var j = (tmpArray.Length - i) / 2;
while (j < tmpArray.Length && tmpArray[j] == '*')
{
j++;
}
tmpArray[j] = '*'; // 后面改成移除方式
}
retVal = new string(tmpArray);
}
}
return(retVal);
}
/// <summary>
/// 隐藏中文姓名[不支持复姓,如"杨**"]
/// </summary>
public static string GetHiddenNameByChineseName(string chineseName, char replaceChar = '*')
{
if (RegExpHelper.IsRightLength(chineseName, 2))
{
return(string.Format("{0}{1}", GetFamilyByChineseName(chineseName), new string(replaceChar, 2)));
}
return(chineseName);
}
/// <summary>
/// 获取中文姓氏[不支持复姓,如"杨"]
/// </summary>
public static string GetFamilyByChineseName(string chineseName)
{
if (RegExpHelper.IsRightLength(chineseName, 2))
{
return(chineseName.Substring(0, 1));
}
return(chineseName);
}
