/// <summary>
/// string转int 失败时返回默认值
/// </summary>
/// <param name="str"></param>
/// <param name="defaultResult"></param>
/// <returns></returns>
public int StringConvertToInt(string str, int defaultResult = 0)
{
int result = 0;
if (int.TryParse(str, out result))
return result;
return defaultResult;
}
