微信小程序 单选框
//index.wxml
<view class="item">
<p>单选</p>
<block wx:for="{{box}}" wx:for-item="box" wx:for-index="index">
<view wx:if="{{choose==index}}">
<view bindtap="choose" data-index="{{index}}" class="box_choose box">{{box.name}}</view>
</view>
<view wx:else="{{choose==index}}">
<view bindtap="choose" data-index="{{index}}" class="box">{{box.name}}</view>
</view>
</block>
</view>
index.wxss
.item {
padding-top: 15%;
margin-top: 5%;
position: relative;
display: -webkit-flex;
}
.item p {
position: absolute;
color: #adadad;
top: 10%;
left: 10%;
}
.item view {
margin: 5%;
flex: 1;
}
.box {
width: 150rpx;
height: 150rpx;
text-align: center;
padding-top: 35%;
border: 1px solid black;
border-radius: 4px;
box-sizing: border-box;
}
.box_choose {
background-color: #4889fe;
color: white;
border-color: white;
}
//index.js
Page({
data: {
box: [
{
name: 'box1-1',
id: 0,
class: ''
},
{
name: 'box1-2',
id: 1,
class: ''
},
{
name: 'box1-3',
id: 2,
class: ''
}
],
box2: [
{
name: 'box2-1',
id: 0,
class: ''
},
{
name: 'box2-2',
id: 1,
class: ''
},
{
name: 'box2-3',
id: 2,
class: ''
}
],
choose: -1,
choose2: -1
},
onLoad: function (options) {
// 页面初始化 options为页面跳转所带来的参数
var that = this;
box2 = that.data.box2;
// console.log(box);
},
onReady: function () {
// 页面渲染完成
wx.setNavigationBarTitle({
title: '选择',
success: function (res) {
// success
}
})
},
onShow: function () {
// 页面显示
},
onHide: function () {
// 页面隐藏
},
onUnload: function () {
// 页面关闭
},
choose: function (evnet) {
console.log(event.data.msg.data.data.data.currentTarget.dataset.index);
// var index = event.data.msg.data.data.data.currentTarget.dataset.index;
var that = this;
if (event.data.msg.data.data.data.currentTarget.dataset.index == that.data.choose) {
that.setData({
choose: -1
});
} else {
that.setData({
choose: event.data.msg.data.data.data.currentTarget.dataset.index
});
}
}
})
