//Method: POST (New) //Parametes: text //Return: {"ret":true|false, "rowid":"[rowid]", "code":"[code]"} //Method: POST (Update) //Parametes: rowid, code, text //Return: {"ret":true|false, "rowid":"[rowid]"} //Method: POST (Delete) //Parametes: rowid, code //Return: {"ret":true|false, "rowid":"[rowid]"}