/// <summary>
/// addTreeNode: 添加树节点
/// </summary>
/// <param name="_table">表名</param>
/// <param name="jsonStr">含有pid字段的json字符串</param>
/// <returns></returns>
public string addTreeNode(string _table, string jsonStr)
{
return(addTreeNode(_table, MConvert.getInt(jsonStr, "pid"), jsonStr));
}
