.NET截取指定长度字符超出部分以“...”代替
作者:互联网
/// <summary>
/// 将指定字符串按指定长度进行剪切,
/// </summary>
/// <param name= "Str "> 需要截断的字符串 </param>
/// <param name= "maxLength "> 字符串的最大长度 </param>
/// <param name= "endWith "> 超过长度的后缀 </param>
/// <returns> 如果超过长度,返回截断后的新字符串加上后缀,否则,返回原字符串 </returns>
public static string StringTruncat(string oldStr, int maxLength, string endWith)
{
if (string.IsNullOrEmpty(oldStr))
{
//throw new NullReferenceException("原字符串不能为空");
return oldStr + endWith;
}
if (maxLength < 1)
{
throw new Exception("返回的字符串长度必须大于[0]");
}
if (oldStr.Length > maxLength)
{
string strTmp = oldStr.Substring(0, maxLength);
if (string.IsNullOrEmpty(endWith))
return strTmp;
else
return strTmp + endWith;
}
return oldStr;
}
标签:...,endWith,string,oldStr,截取,maxLength,字符串,return,NET 来源: https://blog.csdn.net/weixin_44690047/article/details/115627375