/// <summary>
/// 文本取左边
/// </summary>
/// <param name="str"></param>
/// <param name="Left"></param>
/// <param name="pos"></param>
/// <returns></returns>
)
{
)
{
pos = ;
}
int index = str.IndexOf(Left, pos, StringComparison.Ordinal);
)
{
return "";
}
, index);
}
/// <summary>
/// 取文本右边
/// </summary>
/// <param name="str"></param>
/// <param name="right"></param>
/// <param name="pos">起始寻找位置</param>
/// <returns></returns>
)
{
pos = pos == ? right.Length : pos;
int index = str.IndexOf(right, pos, StringComparison.Ordinal);
)
{
return "";
}
return str.Substring(index + right.Length);
}
/// <summary>
/// 取文本中间
/// </summary>
/// <param name="allStr">原字符</param>
/// <param name="firstStr">前面的文本</param>
/// <param name="lastStr">后面的文本</param>
/// <returns></returns>
public static string GetMid(string allStr, string firstStr, string lastStr)
{
//取出前面的位置
int index1 = allStr.IndexOf(firstStr);
)
{
index1 = index1 + firstStr.Length;
}
//取出后面的位置
int index2 = allStr.IndexOf(lastStr, index1);
|| index2 == -)
{
return "";
}
//取出文本
return allStr.Substring(index1, index2 - index1);
}