微信小程序點(diǎn)擊怎么讓自己改變而同級(jí)元素不變

現(xiàn)在是點(diǎn)擊自己同級(jí)元素也會(huì)跟著變?cè)趺慈∠聵?biāo)

data:{
    btn_ebpack: "付款",
    isScroll: false,
}

var self = this
var idx = e.target.dataset.id;
self.setData({  
  btn_ebpack: "已付款",
  isScroll: true,
})

<button size="mini"  disabled="{{isScroll}}" class="orders-btn" bindtap="payOrders">{{btn_ebpack}}</button>