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                一、屏幕滑動實例 wxml ~~~ <view id="id" class = "ball" bindtouchmove="handletouchmove" > {{text}} </view> ~~~ wxjs ~~~ //js Page({ data: { lastX: 0, //滑動開始x軸位置 lastY: 0, //滑動開始y軸位置 text: "沒有滑動", currentGesture: 0, //標識手勢 }, //滑動移動事件 handletouchmove: function (event) { var currentX = event.touches[0].pageX var currentY = event.touches[0].pageY var tx = currentX - this.data.lastX var ty = currentY - this.data.lastY var text = "" //左右方向滑動 if (Math.abs(tx) > Math.abs(ty)) { if (tx < 0) text = "向左滑動" else if (tx > 0) text = "向右滑動" } //上下方向滑動 else { if (ty < 0) text = "向上滑動" else if (ty > 0) text = "向下滑動" } //將當前坐標進行保存以進行下一次計算 this.data.lastX = currentX this.data.lastY = currentY this.setData({ text: text, }); }, //滑動開始事件 handletouchtart: function (event) { this.data.lastX = event.touches[0].pageX this.data.lastY = event.touches[0].pageY }, //滑動結束事件 handletouchend: function (event) { this.data.currentGesture = 0; this.setData({ text: "沒有滑動", }); }, }) ~~~ wxss ~~~ .ball { margin: 0 auto; text-align: center; width:100%; padding-top:500rpx; padding-bottom:500rpx; display: block; } ~~~ 二、掃條碼實例 wxml ~~~ <!--index.wxml--> <view class="container"> <view bindtap="bindViewTap" class="userinfo"> <image class="userinfo-avatar" src="../img/ocode.png"></image> <text class="userinfo-nickname">掃碼</text> </view> <block wx:if="{{barcodeData}}"> <view class="usermotto"> <text>{{barcodeData.code}} 的查詢結果:</text> <text style="margin-top:20px;font-size:16px;">名稱: {{barcodeData.name}}</text> <text style="margin-top:10px;font-size:16px;">商標: {{barcodeData.brand}}</text> <text style="margin-top:10px;font-size:16px;">廠家: {{barcodeData.manufacturers}}</text> <text style="margin-top:10px;font-size:16px;">規格尺寸: {{barcodeData.specifications}}</text> <text style="margin-top:10px;font-size:16px;">條碼狀態: {{barcodeData.status}}</text> <text style="margin-top:10px;font-size:16px;">描述: {{barcodeData.description}}</text> </view> </block> <block wx:else> <view class="usermotto"> <text>條形碼演示</text> </view> </block> </view> ~~~ wxjs ~~~ //index.js //獲取應用實例 var app = getApp() Page({ data: {}, //事件處理函數 bindViewTap: function() { var that = this wx.scanCode({ success: (res) => { wx.showLoading({}); wx.request({ url: '接口地址', // 做一個自己的專屬接口和后臺管理 data: { barcode: res.result }, success: function(res) { wx.hideLoading() console.log(res.data) that.setData({ barcodeData:res.data.data }); } }) } }) }, onLoad: function () { console.log('onLoad') } }) ~~~ wxss ~~~ /**index.wxss**/ .userinfo { display: flex; flex-direction: column; align-items: center; } .userinfo-avatar { width: 128rpx; height: 100rpx; margin: 20rpx; } .userinfo-nickname { color: #aaa; } .usermotto { margin-top: 100px; padding: 20px; display: flex; flex-direction: column; } ~~~ 素材:![](https://box.kancloud.cn/f5b21e88e9bf262a8e398f3e0cbbac0d_200x200.png) 三、掃二維碼實例 wxjs ~~~ //獲取應用實例 var app = getApp() Page({ data: { show: "", }, onLoad: function () { console.log('onLoad') }, click: function () { var that = this; var show; wx.scanCode({ success: (res) => { that.setData({ show: res }) wx.showToast({ title: '成功', icon: 'success', duration: 2000 }) }, fail: (res) => { wx.showToast({ title: '失敗', icon: 'success', duration: 2000 }) }, complete: (res) => { } }) } }) ~~~ wxml ~~~ <!--pages/tcode/index.wxml--> <view class="container"> <view bindtap="click" class="userinfo"> <image class="userinfo-avatar" src="../img/tcode.png"></image> <text class="userinfo-nickname">掃碼</text> </view> <block wx:if="{{show}}"> <view class="usermotto"> <text>結果:{{show.result}}</text> <text style="margin-top:20px;font-size:16px;">類型: {{show.scanType}}</text> <text style="margin-top:20px;font-size:16px;">字符集: {{show.charSet}}</text> <text style="margin-top:20px;font-size:16px;">路徑: {{show.path}}</text> </view> </block> <block wx:else> <view class="usermotto"> <text>條形碼演示</text> </view> </block> </view> ~~~ wxss ~~~ /**index.wxss**/ .userinfo { display: flex; flex-direction: column; align-items: center; } .userinfo-avatar { width: 128rpx; height: 100rpx; margin: 20rpx; } .userinfo-nickname { color: #aaa; } .usermotto { margin-top: 100px; padding: 20px; display: flex; flex-direction: column; } ~~~ 素材:![](https://box.kancloud.cn/34649c40a16f8311b6dd143cc6bcc212_200x200.png) 四、剪切板實例 wxjs ~~~ // pages/ shear/index.js Page({ /** * 頁面的初始數據 */ data: { str:'暫時沒有復制內容' }, //點擊復制 copyClick:function(e){ var that = this; var str = e.currentTarget.dataset.str; //獲取并保存到剪切板 wx.getClipboardData({ success: function (res) { that.setData({str:str}); } }) } }) ~~~ wxml ~~~ <!--pages/ shear/index.wxml--> <view class='page'> <view class='content'> <text>內容:{{str}}</text> </view> <view class='btn' data-str="這是剪切的新內容" bindtap='copyClick'> 點擊我復制 </view> </view> ~~~ wxss ~~~ /* pages/ shear/index.wxss */ .page{ margin: 0 auto; padding: 10rpx; } .content{ border: 1rpx solid #ccc; height: 300rpx; } .btn{ background: white; border: 1rpx solid #ccc; text-align: center; margin-top: 10rpx; } ~~~ 五、視頻實例 wxjs ~~~ function getRandomColor() { let rgb = [] for (let i = 0; i < 3; ++i) { let color = Math.floor(Math.random() * 256).toString(16) color = color.length == 1 ? '0' + color : color rgb.push(color) } return '#' + rgb.join('') } Page({ onReady: function (res) { this.videoContext = wx.createVideoContext('myVideo') }, inputValue: '', bindInputBlur: function (e) { this.inputValue = e.detail.value }, bindSendDanmu: function () { this.videoContext.sendDanmu({ text: this.inputValue, color: getRandomColor() }) } }) ~~~ wxml ~~~ <view class="section tc"> <video id="myVideo"class='video' src="http://wxsnsdy.tc.qq.com/105/20210/snsdyvideodownload?filekey=30280201010421301f0201690402534804102ca905ce620b1241b726bc41dcff44e00204012882540400&bizid=1023&hy=SH&fileparam=302c020101042530230204136ffd93020457e3c4ff02024ef202031e8d7f02030f42400204045a320a0201000400" enable-danmu danmu-btn controls></video> <view class="btn-area"> <input bindblur="bindInputBlur" class='dm'/> <button bindtap="bindSendDanmu">發送彈幕</button> </view> </view> ~~~ wxss ~~~ /* pages/vidio/index.wxss */ .video{ width: 100%; } .dm{ width:100%;border:1rpx solid #ccc;margin-bottom:10rpx; } ~~~ 六、地圖實例 wxjs ~~~ Page({ onReady: function (e) { // 使用 wx.createMapContext 獲取 map 上下文 this.mapCtx = wx.createMapContext('myMap') }, getCenterLocation: function () { this.mapCtx.getCenterLocation({ success: function (res) { console.log(res.longitude) console.log(res.latitude) } }) }, moveToLocation: function () { this.mapCtx.moveToLocation() }, translateMarker: function () { this.mapCtx.translateMarker({ markerId: 0, autoRotate: true, duration: 1000, destination: { latitude: 23.10229, longitude: 113.3345211, }, animationEnd() { console.log('animation end') } }) }, includePoints: function () { this.mapCtx.includePoints({ padding: [10], points: [{ latitude: 23.10229, longitude: 113.3345211, }, { latitude: 23.00229, longitude: 113.3345211, }] }) } }) ~~~ wxml ~~~ <!-- map.wxml --> <map id="myMap" show-location style="width: 100%; height: 300px;"/> <button type="primary" bindtap="getCenterLocation" class='btn'>獲取位置</button> <button type="primary" bindtap="moveToLocation" class='btn'>移動位置</button> <button type="primary" bindtap="translateMarker" class='btn'>移動標注</button> <button type="primary" bindtap="includePoints" class='btn'>縮放視野</button> ~~~ wxss ~~~ .btn{ float: left; width: 230rpx; margin: 10rpx; } ~~~
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