/** index.js*/
var app = getApp()
Page({
data: {
/**
* 页面配置
*/
winWidth: 0,
winHeight: 0,
// tab切换
currentTab: 0,
option1:[
{value:"1",contant:"A:xxxx"},
{value:"2",contant:"B:xxxx"},
{value:"3",contant:"C:xxxx"},
{value:"4",contant:"D:xxxx"}
],
option2: [
{ value: "1", contant: "A:xxxx" },
{ value: "2", contant: "B:xxxx" },
{ value: "3", contant: "C:xxxx" },
{ value: "4", contant: "D:xxxx" }
],
option3: [
{ value: "1", contant: "A:xxxx" },
{ value: "2", contant: "B:xxxx" },
{ value: "3", contant: "C:xxxx" },
{ value: "4", contant: "D:xxxx" }
],
option1Value:0,
option2Value:0,
option3Value:0,
},
onLoad: function() { swiperChange: function(e){
var that = this;
if(that.data.currentTab==0){
that.setData({
option1Value : e.detail.value,
currentTab: 1
});
}else if(that.data.currentTab==1){
that.setData({
option2Value : e.detail.value,
currentTab: 2
});
}else if(that.data.currentTab==2){
that.setData({
option3Value : e.detail.value,
currentTab: 3
})
}
}
})
<!-- index.wxml -->
<!-- 问题区域 -->
<view class="swiper-tab">
<view class="swiper-tab-list {{currentTab==0 ? 'on' : ''}}" data-current="0" bindtap="swichNav">第一题</view>
<view class="swiper-tab-list {{currentTab==1 ? 'on' : ''}}" data-current="1" bindtap="swichNav">第二题</view>
<view class="swiper-tab-list {{currentTab==2 ? 'on' : ''}}" data-current="2" bindtap="swichNav">第三题</view>
</view>
<!-- 选项区域 -->
<swiper current="{{currentTab}}" class="swiper-box" duration="300" style="height:{{winHeight - 31}}px" bindchange="bindChange">
<!-- 第一题选项 -->
<swiper-item>
<radio-group bindchange="swiperChange">
<label class="option" wx:for="{{option1}}">
<radio value="{{item.value}}" />{{item.contant}}
</label>
</radio-group>
</swiper-item>
<!-- 第二题选项 -->
<swiper-item>
<radio-group bindchange="swiperChange">
<label class="option" wx:for="{{option2}}">
<radio value="{{item.value}}" />{{item.contant}}
</label>
</radio-group>
</swiper-item>
<!-- 第三题选项 -->
<swiper-item>
<radio-group bindchange="swiperChange">
<label class="option" wx:for="{{option3}}">
<radio value="{{item.value}}" />{{item.contant}}
</label>
</radio-group>
</swiper-item>
<swiper-item>
<view>{{score}}</view>
</swiper-item>以上是我的程式碼，想實現頁面中有三個題目，分別有四個不同分值的選項，用戶選擇後直接彈出結果，但是儲存用戶選擇的選項的JSON資料是字串，請問如何轉換為數字類型？
