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@ -75,8 +75,12 @@ |
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this.dataInfo = JSON.parse(decodeURIComponent(e.obj)); |
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} |
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}, |
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mounted() { |
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this.couponQrCode() |
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onReady() { |
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this.$nextTick(()=>{ |
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this.couponQrCode() |
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}) |
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}, |
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//方法 |
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methods: { |
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@ -85,7 +89,6 @@ |
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this.swiperIndex = e.detail.current; |
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}, |
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async couponQrCode() { |
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uni.showLoading({ |
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title: '加载中...' |
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}); |
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@ -101,8 +104,9 @@ |
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} else { |
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this.level = qrCode.CorrectLevel.L |
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} */ |
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let level = qrCode.CorrectLevel.L; |
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console.log(that.dataInfo, " that.dataInfo") |
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let qrcode = await new qrCode('qrImg', { |
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let qrde = await new qrCode('qrImg', { |
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text: that.dataInfo.goLink, |
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width: 100, |
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height: 100, |
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@ -110,9 +114,11 @@ |
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loadingText: '二维码生成中', // loading文字 |
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colorDark: '#000000', //二维码暗部颜色 |
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colorLight: '#ffffff', //二维码亮部颜色 |
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correctLevel: qrCode.CorrectLevel.L, //二维码质量L/M/Q/H |
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correctLevel: level, //二维码质量L/M/Q/H |
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// usingIn: this //在自定义组件下，第二个参数传入组件实例this |
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}) |
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console.log(qrde, " qrde") |
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// 把当前画布指定区域的内容导出生成图片，并返回文件路径。 |
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uni.canvasToTempFilePath({ |
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canvasId: 'qrImg', |
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@ -121,7 +127,7 @@ |
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// 在H5平台下，tempFilePath 为 base64 |
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// console.log('yz-qr图片路径:', res) |
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this.dataInfo.recommendCodeGoods = res.tempFilePath; |
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qrcode = null; |
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/* qrcode = null; */ |
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/* uni.getFileSystemManager().readFile({ |
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filePath: res.tempFilePath, //选择图片返回的相对路径 |
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encoding: 'base64', //编码格式 |
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@ -135,7 +141,7 @@ |
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}, |
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fail: (err) => { |
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uni.hideLoading(); |
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qrcode = null; |
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/* qrcode = null; */ |
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console.log(err) |
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} |
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}, this); |
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@ -443,38 +449,7 @@ |
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return rowText; |
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}, |
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savePic(Url) { |
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Url = this.dialogImgUrl //图片路径，也可以传值进来 |
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var triggerEvent = "touchstart"; //指定下载方式 |
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var blob = new Blob([''], { |
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type: 'application/octet-stream' |
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}); //二进制大型对象blob |
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var url = URL.createObjectURL(blob); //创建一个字符串路径空位 |
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var a = document.createElement('a'); //创建一个 a 标签 |
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a.href = Url; //把路径赋到a标签的href上 |
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//正则表达式，这里是把图片文件名分离出来。拿到文件名赋到a.download,作为文件名来使用文本 |
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a.download = Url.replace(/(.*\/)*([^.]+.*)/ig, "$2").split("?")[0]; |
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/* var e = document.createEvent('MouseEvents'); //创建事件（MouseEvents鼠标事件） |
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e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null); //初始化鼠标事件（initMouseEvent已弃用）*/ |
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//代替方法。创建鼠标事件并初始化（后面这些参数我也不清楚，参考文档吧 https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/MouseEvent） |
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var e = new MouseEvent('click', (true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null)); |
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//派遣后，它将不再执行任何操作。执行保存到本地 |
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a.dispatchEvent(e); |
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//释放一个已经存在的路径（有创建createObjectURL就要释放revokeObjectURL） |
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URL.revokeObjectURL(url); |
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/* |
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//这段好像并不影响，所以我不用，注释掉 |
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var imgs = document.getElementsByTagName("img"); |
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for(var i = 0,o;o = imgs[i];i++){ |
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o.addEventListener(triggerEvent,function(){ |
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var newurl = this.getAttribute("src"); |
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saveAs(newurl); |
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},false); |
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} */ |
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}, |
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}, |
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//用户点击分享 |
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