/// <summary>
/// 获取所有分组
/// </summary>
/// <param name="access_token"></param>
/// <returns>
/// {
/// "errcode": 0,
/// "errmsg": "success",
/// "groups_detail": [
/// {
/// "group_id": 200077549,
/// "group_name": "最新上架"
/// },
/// {
/// "group_id": 200079772,
/// "group_name": "全球热卖"
/// }
/// ]
/// }
/// </returns>
public static string GetAll(string access_token)
{
var result = HttpTo.Get(string.Format("https://api.weixin.qq.com/merchant/group/getall?access_token={0}", access_token));
return(result);
}