~~~[api]
post:http://hw.duoxunwl.com/app/api.php?i=1&m=we7_wmall&c=entry&do=api&ctrl=wmall&ac=order&op=index&ta=cancel
*id=1#订单id
<<<
success
{
"errno": 0,
"message": "取消订单成功"
}
<<<
error
{
"errno": -1,
"message": "订单已完成, 不能取消订单"
}