微信小程序常用賦值方法小結

var name=options.goodsName

this.data.goodName=options.goodsName

this.setData({
goodName: options.goodsName
})

var name=options.goodsName
this.setData({
goodName: name
})

var name=this.data.goodName

<view wx:for="{{leixing}}">
 <button class="leixing_btn {{user_infor.lx_btn==item.divingtypeid ? 'lx_btn' : ''}}" bindtap="lx_btn_click" data-name="{{item.divingtypeid}}" id="{{item.divingtypeid}}">{{item.name}}</button>
</view>
<input class='tj_input' type="text" placeholder="請輸入姓名" bindinput ="user_nameInput" name="user_name" id="name" />

 data: {
 user_infor:{
 user_name:'',
 phone:'',
 lx_btn: 0,
 },
 }
 lx_btn_click: function (e) {
 var lx_btn = 'user_infor.lx_btn'
 var that = this;
 if (that.data.lx_btn === e.target.dataset.name) {
 return false;
 } else {
 that.setData({
 [lx_btn]: e.target.dataset.name
 })
 }
 },
 phoneInput:function(e){
 var phone = 'user_infor.phone'
 var that = this
 that.setData({
 [phone]: e.detail.value
 })
 }

.leixing_btn{
 font-size: 23rpx;
 display: flex; text-align:center;
 border:1px solid #eee;
 border-radius:10rpx;
 padding: 8rpx 20rpx 8rpx 20rpx;
 background-color: white;
 margin-left: 20rpx;
}
.lx_btn {
 color: red;
}