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這篇文章將為大家詳細講解有關小程序如何實現懸浮搜索框,小編覺得挺實用的,因此分享給大家做個參考,希望大家閱讀完這篇文章后可以有所收獲。
小程序實現懸浮搜索框的具體代碼,具體內容如下
懸浮搜索框是當數據界面不斷滾動時,搜索框始終懸浮在最上方。來看一下效果圖
UI代碼
<view class="search-wrapper"> <view class="search-panel"> <view class="search-section"> <view class="search-button-wrapper"> <image class="search-button" src="/images/scan.png" bindtap="scan"></image> </view> <view class="search-input-wrapper "> <input bindinput="bindBarcodeInput" bindconfirm="query" bindfocus="bindBarcodeFocus" bindblur="bindBarcodeBlur" class="search-input" placeholder="掃描或者手動輸入條碼" value="{{barcode}}" confirm-type="search" /> </view> <view class="search-button-wrapper"> <image class="search-button" src="/images/search.png" bindtap="query"></image> </view> </view> </view> <view class="search-demo" hidden="{{hiddenDropdown}}"> <button size="mini" bindtap="setDemoData">示例</button> <button size="mini" bindtap="clear" >清空</button> </view> </view>
樣式
.search-wrapper { position: fixed;/*懸停搜索框的關鍵樣式*/ top: 0px; left: 0; width: 100%; z-index: 999; } .search-panel { background-color: #f50; } .search-section { padding: 5px 0px; display: flex; flex-direction: row; } .search-demo { padding: 5px; flex-direction: row; background-color: #eee; padding-left:42px; align-items: flex-start; } .search-input-wrapper { flex: 8; padding: 5px; background-color: #eee; border-radius: 3px; } .search-input { padding-top: 5px; } .search-clear { float: right; width: 32px; height: 32px; z-index: 998; } .search-button-wrapper { padding-left: 5px; padding-right: 5px; padding-top:5px; } .search-button { flex: 1; border: none !important; color: white !important; width: 32px; height: 32px; }
JS代碼
//獲取應用實例 var app = getApp() Page({ data: { barcode: "", hiddenLoading: true, hiddenData: true, hiddenDropdown: true, hiddenClear:true, demoData: 'XXXX', Product: {}, }, bindBarcodeInput: function (e) { this.setData({ barcode: e.detail.value }) }, bindBarcodeFocus: function (e) { this.setData({ hiddenDropdown: false, hiddenClear:false }) }, bindBarcodeBlur: function (e) { this.setData({ hiddenDropdown: true, hiddenClear:true }) }, scan: function (e) { var that = this; wx.scanCode({ success: function (res) { that.setData({ barcode: res.result }); that.query(e); }, fail: function () { that.setData({ barcode: "", hiddenData: true }); }, complete: function () { // complete } }) }, setDemoData: function (e) { this.setData({ barcode: this.data.demoData }); }, clear: function (e) { this.setData({ barcode: "", hiddenData: true }); }, query: function (e) { var url = "https://www.xxx.com/query";//查詢數據的URL var that = this; if (that.data.barcode == undefined || that.data.barcode == null || that.data.barcode.length <= 0) { that.setData({ hiddenData: true }); wx.showToast({ title: '請輸入條碼', image: '/images/fail.png', duration: 2000 }); return; } wx.request({ url: url, data: { barcode: that.data.barcode }, method: 'GET', success: function (res) { var result = res.data; if (result.Status != 0) { that.setData({ hiddenData: true }); wx.showToast({ title: result.Message, image: '/images/fail.png', duration: 2000 }) return; } that.setData({ Product: result.Data, hiddenData: false }); wx.showToast({ title: "獲取數據成功", image: '/images/ok.png', duration: 2000 }) }, fail: function (e) { var toastText = '獲取數據失敗' + JSON.stringify(e); that.setData({ hiddenLoading: !that.data.hiddenLoading, hiddenData: true }); wx.showToast({ title: toastText, icon: '', duration: 2000 }) }, complete: function () { // complete } }) } })
用到的幾個圖片
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