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小程序软键盘添加删除数字

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1.将软键盘绑定data-id 将获取的data-id的值2.获取到我要出价的值,将拿到的值和data-id进行拼接3.  !–出价软键盘–        view class=”mark” hidden=”{{hidden}}” bindtap=”bindMark”/view        view class=”Bid_list” hidden='{{hidden}}’            view class=”Lead”                viewspan领先价/spanspan class=”Lead_price”{{lead_price}}元/span/view                view class=”close”x/view            /view            view class=”shuru”                span class=”bid”我要出价/span                view id=”view”{{new_price}}/view            /view            view class=”offer_price” bindtap=’bindGoPrice’ data-id='{{product_info.product_id}}’出价/view            view class=”Explain”出价即表示同意《随手拍竞拍服务协议》/view            view class=”layer-content” style=”bottom: 0px;”                view class=”form_edit clearfix”                    view class=”num” bindtap=”bindNumber” data-id=”1″1/view                    view class=”num” bindtap=”bindNumber” data-id=”2″2/view                    view class=”num” bindtap=”bindNumber” data-id=”3″3/view                    view class=”num” bindtap=”bindNumber” data-id=”4″4/view                    view class=”num” bindtap=”bindNumber” data-id=”5″5/view                    view class=”num” bindtap=”bindNumber” data-id=”6″6/view                    view class=”num” bindtap=”bindNumber” data-id=”7″7/view                    view class=”num” bindtap=”bindNumber” data-id=”8″8/view                    view class=”num” bindtap=”bindNumber” data-id=”9″9/view                    view class=”num” bindtap=”bindNumber” data-id=”.”./view                    view class=”num” bindtap=”bindNumber” data-id=”0″0/view                    view id=”remove” bindtap=’bindRemove’删除/view                /view            /view        /view/*软键盘*/.mark {    position: fixed;    left: 0;    right: 0;    top: 0;    bottom: 0;    background: rgba(0,0,0,0.5);}.form_edit {    width: 100%;    background: #D1D4DD;}.form_edit view {    margin-bottom: 2px;    margin-right: 0.5%;    float: left;    width: 33%;    height: 45px;    text-align: center;    color: #333;    line-height: 45px;    font-size: 18px;    font-weight: 600;    background-color: #fff;    border-radius: 5px;}.form_edit view:nth-child(3n) {    margin-right: 0;}.form_edit view:last-child {    background-color: #DEE1E9;}.Bid_list {    position: fixed;    width: 100%;    bottom: 0;    left: 0;    display: block;    background-color: #f3f3f3;}.shuru {    display: flex;    align-items: center;    margin-bottom: 10px;}.offer_price {    background-color: #085556;    position: relative;    width: 90%;    margin: auto;    height: 40px;    line-height: 40px;    color: #fff;    font-size: 16px;    text-align: center;    border-radius: 4px;}.Explain {    text-align: right;    font-size: 12px;    padding: 10px 20px;}.bid {    width: 20%;    text-align: center;    background: #085556;    color: white;    height: 40px;    line-height: 40px;}#view {    flex: 1;    height: 40px;    line-height: 40px;    background: white;    color: #576b95;    font-size: 18px;    /* margin-left: 10px; */    padding-left: 10px;}.Lead {    display: flex;    justify-content: space-between;    padding: 10px;}.Lead_price {    color: #576b95;    font-size: 18px;    margin-left: 10px;}.mask {    position: fixed;    left: 0;    right: 0;    bottom: 0;    top: 0;}.close {    width: 30px;    text-align: center;}data:{lead_price:”,//当前出价      new_price:”,//领先价      hidden:true,//软键盘显示状态}, //  点击软键盘  bindNumber:function(event){    var value = event.currentTarget.dataset.id;//软键盘的值    var new_price = this.data.new_price.toString();//将数字转换为字符串    var str = new_price.split(”);//在将字符串转换成数组    str.push(value);//将点击的值添加进数组中    this.data.new_price = str.join(“”);//再将数组装换为字符串    this.setData({      new_price: this.data.new_price    })  }, // 删除软键盘数字  bindRemove:function(){    var new_price = this.data.new_price.toString();//同上    var str = new_price.split(”);    str.splice(str.length-1,1);    this.data.new_price = str.join(“”)    this.setData({      new_price: this.data.new_price    })  },  // 遮罩层  bindMark:function(){    this.setData({      hidden: true    })  },

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