小程序选中传值过去 不选中默认第一个

<!--拼餐支付 -->

<view class='hd_faqiren'>

<view class='font32'>拼餐支付</view>

<view class='hd_pincan_nr df df_space color_666 font26'>

<block wx:for="{{zhi}}" wx:key="pay">

<view data-index='{{index}}' bindtap='pay_tabtoggle' class='pincan_list {{current_pay==index?"sel":""}}'>

{{item.f_name}}

</view>

</block>

</view>

</view>

 

// 拼餐支付选项

pay_tabtoggle(e){

let that = this;

let dex = e.currentTarget.dataset.index;

that.setData({

current_pay: dex,

})

},

 

 

go_pincan:function(e){

// 去拼餐

console.log(e)

var c_id = e.currentTarget.dataset.c_id;

var s_id = e.currentTarget.dataset.s_id;

var time = this.data.date + this.data.time

console.log(time)

var arrs = this.data.zhi;

var dex = this.data.current_pay;

wx.navigateTo({

url: '../lijipindan/lijipindan?c_id=' + c_id + "&s_id=" + s_id + "&texts=" + arrs[dex].f_name + "&time=" + time,

})

},