/// <summary>
/// 获取指定大小的用户头像网址
/// </summary>
/// <param name="headImgUrl">用户头像</param>
/// <param name="headImageSize">代表正方形头像大小（有0、46、64、96、132数值可选，0代表640*640正方形头像）</param>
/// <returns></returns>
public static string GetHeadImageUrl(string headImgUrl, HeadImageSize headImageSize = HeadImageSize.x0)
{
if (headImgUrl == null)
{
return(null);
}
var tail = "/" + ((int)headImageSize).ToString("d");
if (headImgUrl.EndsWith(tail))
{
return(headImgUrl);
}
var slashIndex = headImgUrl.LastIndexOf('/');
if (slashIndex < 0)
{
return(headImgUrl);
}
return(headImgUrl.Substring(0, slashIndex) + tail);
}
/// <summary>
/// 获取指定大小的用户头像网址
/// </summary>
/// <param name="userInfo">IUserInfo，包括用户头像信息</param>
/// <param name="headImageSize">代表正方形头像大小（有0、46、64、96、132数值可选，0代表640*640正方形头像）</param>
/// <returns></returns>
public static string GetHeadImageUrl(this IUserInfo userInfo, HeadImageSize headImageSize = HeadImageSize.x0)
{
return(GetHeadImageUrl(userInfo.headimgurl, headImageSize));
}
