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let res = await wx.chooseMedia({mediaType: 'image',count: 1});let path = res.tempFiles[0].tempFilePath;res = await wx.getImageInfo({src: path,});//写入图片const img = canvas.createImage();img.src = path;img.width = res.width;img.height = res.height;img.onload = async () => {context.drawImage(img, 0, 0, res.width, res.height);const buffer = context.getImageData(0, 0, res.width, res.height);const frame = {data: new Uint8Array(buffer.data),width: buffer.width,height: buffer.height};let human = await humanDetection.detectionAsync(frame);console.log(human);};">