悬浮搜索框是当数据界面不断滚动时，搜索框始终悬浮在最上方。来看一下效果图
UI代码
<view> <view> <view> <view> <image src="https://www.jb51.net/images/scan.png" bindtap="scan"></image> </view> <view> <input bindinput="bindBarcodeInput" bindconfirm="query" bindfocus="bindBarcodeFocus" bindblur="bindBarcodeBlur" placeholder="扫描或者手动输入条码" value="{{barcode}}" confirm-type="search" /> </view> <view> <image src="https://www.jb51.net/images/search.png" bindtap="query"></image> </view> </view> </view> <view hidden="{{hiddenDropdown}}"> <button size="mini" bindtap="setDemoData">示例</button> <button size="mini" bindtap="clear">清空</button> </view> </view>
样式
.search-wrapper { position: fixed;/*悬停搜索框的关键样式*/ 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代码
//获取应用实例 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";//查询数据的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: '请输入条码', 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: "获取数据成功", image: '/images/ok.png', duration: 2000 }) }, fail: function (e) { var toastText = '获取数据失败' + JSON.stringify(e); that.setData({ hiddenLoading: !that.data.hiddenLoading, hiddenData: true }); wx.showToast({ title: toastText, icon: '', duration: 2000 }) }, complete: function () { // complete } }) } })
用到的几个图片