前端校验

pages/beiyinmei/beiyinmei.js

@@ -23,7 +23,7 @@ Page({
   onLoad(options) {
     this.cameraContext = wx.createCameraContext()
     this.cameraContext.setZoom({
-      zoom: 1
+      zoom: 2
     })
     this.cameraFrame()
     // this.cameraFrameApi()
@@ -45,37 +45,37 @@ Page({
           width: frame.width
         })
         // 实时帧渲染到canvas
-        await wx.canvasPutImageData({
-          canvasId: 'myCanvas',
-          x:0,
-          y:0,
-          width: frame.width,
-          height: frame.height,
-          data: new Uint8ClampedArray(frame.data),
-        })
-        const fileData = await wx.canvasToTempFilePath({
-          canvasId: 'myCanvas',
-          x: frame.width / 4,
-          y: frame.height / 4,
-          width: frame.width / 2,
-          height: frame.height / 3,
-          quality: 'high',
-          fileType: 'jpg',
-          destWidth: frame.width / 2,
-          destHeight: frame.height / 3,
-        })
-        const base = fileSystem.readFileSync(fileData.tempFilePath, 'base64')
+        // await wx.canvasPutImageData({
+        //   canvasId: 'myCanvas',
+        //   x:0,
+        //   y:0,
+        //   width: frame.width,
+        //   height: frame.height,
+        //   data: new Uint8ClampedArray(frame.data),
+        // })
+        // const fileData = await wx.canvasToTempFilePath({
+        //   canvasId: 'myCanvas',
+        //   x: frame.width / 4,
+        //   y: frame.height / 4,
+        //   width: frame.width / 2,
+        //   height: frame.height / 3,
+        //   quality: 'high',
+        //   fileType: 'jpg',
+        //   destWidth: frame.width / 2,
+        //   destHeight: frame.height / 3,
+        // })
+        // const base = fileSystem.readFileSync(fileData.tempFilePath, 'base64')
         // console.log('qr_result',flag,5555,base);
 
-        const qr_result = await that.handleCodeAnalysis(base)
-        console.log('qr_result',flag,5555,qr_result.data);
+        // const qr_result = await that.handleCodeAnalysis(base)
+        // console.log('qr_result',flag,5555,qr_result.data);
         // 前端校验取消
-        // const data = new Uint8ClampedArray(frame.data);
+        const data = new Uint8ClampedArray(frame.data);
         // // const nData = data.slice(data.length / 4, data.length / 4 * 3)
-        // const qr_result = qrcode.decodefrank(frame.width, frame.height, data)
-        // console.log('qe_result',qr_result)
+        const qian_result = qrcode.decodefrank(frame.width, frame.height, data)
+        console.log('qe_result',qian_result,999)
         // console.log('qr_result.data.codeinfo',qr_result.data.codeinfo)
-        if (qr_result.data.codeinfo) {
+        if (qian_result) {
        
           // 原图（默认放大两倍）
           const photo1 = await that.handleTakePoto(that.cameraContext, 1)