{"id":88635,"date":"2026-08-01T14:40:50","date_gmt":"2026-08-01T06:40:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/88635.html"},"modified":"2026-08-01T14:40:50","modified_gmt":"2026-08-01T06:40:50","slug":"%e7%ac%ac20%e7%ab%a0_harmonyos%e5%bc%80%e5%8f%91%e5%9b%be%e8%a7%a3%e4%b9%8b-%e4%ba%8c%e7%bb%b4%e7%a0%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/88635.html","title":{"rendered":"\u7b2c20\u7ae0_HarmonyOs\u5f00\u53d1\u56fe\u89e3\u4e4b \u4e8c\u7ef4\u7801"},"content":{"rendered":"

\u7b2c20\u7ae0 HarmonyOs\u5f00\u53d1\u56fe\u89e3\u4e4b \u4e8c\u7ef4\u7801<\/h2>\n

HarmonyOS \u5b66\u4e60\u7cfb\u7edf | \u9636\u6bb5\u4e09：\u9ad8\u7ea7\u6df1\u8015\u671f<\/p>\n

\n

\u5b66\u4e60\u76ee\u6807<\/h3>\n\n\u5e8f\u53f7\u80fd\u529b<\/tr>\n\n\n\n\n
1<\/td>\n\u80fd\u591f\u4f7f\u7528 VisionManager \u751f\u6210\u4e8c\u7ef4\u7801\/\u6761\u5f62\u7801<\/td>\n<\/tr>\n
2<\/td>\n\u80fd\u591f\u4f7f\u7528 IBarcodeDetector \u8bc6\u522b\u56fe\u7247\u4e2d\u7684\u4e8c\u7ef4\u7801<\/td>\n<\/tr>\n
3<\/td>\n\u7406\u89e3 AI \u5f15\u64ce\u7684\u7edf\u4e00\u63a5\u5165\u6d41\u7a0b（init -> detect -> release）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u6838\u5fc3\u56fe\u89e3<\/h3>\n

\"HarmonyOS<\/p>\n

\u5185\u5bb9\u8bb2\u89e3<\/h3>\n

20.1 \u4e8c\u7ef4\u7801\u6982\u8ff0<\/h4>\n

\u4e8c\u7ef4\u7801（QR Code，Quick Response Code）\u662f\u4e00\u79cd\u9ad8\u5bc6\u5ea6\u7684\u4e8c\u7ef4\u6761\u7801，\u80fd\u5728\u6a2a\u5411\u548c\u7eb5\u5411\u4e24\u4e2a\u65b9\u5411\u4e0a\u5b58\u50a8\u4fe1\u606f\u3002\u76f8\u6bd4\u4e00\u7ef4\u7801（\u6761\u5f62\u7801），\u4fe1\u606f\u5bc6\u5ea6\u5927\u5e45\u63d0\u5347\u3002HarmonyOS \u901a\u8fc7 AI \u5f15\u64ce\u7684 IBarcodeDetector \u63a5\u53e3\u63d0\u4f9b\u4e8c\u7ef4\u7801\/\u6761\u5f62\u7801\u7684\u751f\u6210\u548c\u8bc6\u522b\u80fd\u529b\u3002<\/p>\n

\u751f\u6d3b\u5316\u7c7b\u6bd4：\u4e8c\u7ef4\u7801\u5c31\u50cf"\u5546\u54c1\u6761\u7801\u7684\u5347\u7ea7\u7248"<\/p>\n

\u4e00\u7ef4\u7801（\u6761\u5f62\u7801）\u5c31\u50cf\u4e00\u6761\u5355\u884c\u9053，\u53ea\u80fd\u4ece\u5de6\u5230\u53f3\u8bb0\u5f55\u4fe1\u606f；\u4e8c\u7ef4\u7801\u5c31\u50cf\u4e00\u4e2a\u505c\u8f66\u573a，\u6a2a\u7ad6\u4e24\u4e2a\u65b9\u5411\u90fd\u80fd\u505c\u8f66，\u4fe1\u606f\u5bc6\u5ea6\u5927\u5e45\u63d0\u5347\u3002QR \u7801\u6700\u591a\u80fd\u5b58\u7ea6 2953 \u4e2a\u5b57\u7b26（Java \u8bed\u8a00），\u76f8\u5f53\u4e8e\u628a\u4e00\u5c0f\u6bb5\u6587\u7ae0"\u538b\u7f29"\u8fdb\u4e00\u4e2a\u65b9\u5757\u56fe\u6848\u91cc\u3002<\/p>\n

20.2 \u4e8c\u7ef4\u7801\u751f\u6210<\/h4>\n

\u6240\u6709 AI \u80fd\u529b\u90fd\u9075\u5faa\u7edf\u4e00\u7684\u63a5\u5165\u6d41\u7a0b：VisionManager.init() -> \u83b7\u53d6 Detector -> detect() -> release()\u3002<\/p>\n

\/\/ Step 1: \u8fde\u63a5 AI \u80fd\u529b\u5f15\u64ce<\/span>
\nVisionManager<\/span>.<\/span>init<\/span>(<\/span>context,<\/span> new<\/span> ConnectionCallback<\/span>(<\/span>)<\/span> {<\/span>
\n @Override<\/span>
\n public<\/span> void<\/span> onServiceConnect<\/span>(<\/span>)<\/span> {<\/span>
\n \/\/ \u5f15\u64ce\u8fde\u63a5\u6210\u529f，\u6267\u884c\u751f\u6210\u64cd\u4f5c<\/span>
\n generateQRCode<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span>
\n @Override<\/span>
\n public<\/span> void<\/span> onServiceDisconnect<\/span>(<\/span>)<\/span> {<\/span>
\n HiLog<\/span>.<\/span>info<\/span>(<\/span>TAG<\/span>,<\/span> "AI\u5f15\u64ce\u65ad\u5f00\u8fde\u63a5"<\/span>)<\/span>;<\/span>
\n }<\/span>
\n}<\/span>)<\/span>;<\/span><\/p>\n

\/\/ Step 2: \u751f\u6210\u4e8c\u7ef4\u7801<\/span>
\nprivate<\/span> void<\/span> generateQRCode<\/span>(<\/span>)<\/span> {<\/span>
\n IBarcodeDetector<\/span> barcodeDetector =<\/span> VisionManager<\/span>.<\/span>getBarcodeDetector<\/span>(<\/span>context)<\/span>;<\/span>
\n int<\/span> width =<\/span> 300<\/span>,<\/span> height =<\/span> 300<\/span>;<\/span>
\n byte<\/span>[<\/span>]<\/span> bitmapOutput =<\/span> new<\/span> byte<\/span>[<\/span>width *<\/span> height *<\/span> 4<\/span>]<\/span>;<\/span> \/\/ ARGB_8888 \u683c\u5f0f<\/span><\/p>\n

\/\/ detect \u65b9\u6cd5\u7528\u4e8e\u751f\u6210\u4e8c\u7ef4\u7801<\/span>
\n int<\/span> result =<\/span> barcodeDetector.<\/span>detect<\/span>(<\/span>"https:\/\/harmonyos.com"<\/span>,<\/span>
\n bitmapOutput,<\/span> width,<\/span> height)<\/span>;<\/span>
\n if<\/span> (<\/span>result ==<\/span> 0<\/span>)<\/span> {<\/span>
\n \/\/ \u751f\u6210\u6210\u529f，\u5c06 bitmapOutput \u8f6c\u4e3a PixelMap \u663e\u793a<\/span>
\n PixelMap<\/span> pixelMap =<\/span> PixelMap<\/span>.<\/span>create<\/span>(<\/span>bitmapOutput,<\/span> width,<\/span> height,<\/span>
\n PixelFormat<\/span>.<\/span>ARGB_8888<\/span>)<\/span>;<\/span>
\n image.<\/span>setPixelMap<\/span>(<\/span>pixelMap)<\/span>;<\/span>
\n }<\/span><\/p>\n

\/\/ Step 3: \u91ca\u653e\u8d44\u6e90<\/span>
\n barcodeDetector.<\/span>release<\/span>(<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

20.3 \u4e8c\u7ef4\u7801\u8bc6\u522b<\/h4>\n

\/\/ \u4ece PixelMap \u4e2d\u8bc6\u522b\u4e8c\u7ef4\u7801<\/span>
\nIBarcodeDetector<\/span> barcodeDetector =<\/span> VisionManager<\/span>.<\/span>getBarcodeDetector<\/span>(<\/span>context)<\/span>;<\/span>
\nVisionImage<\/span> image =<\/span> VisionImage<\/span>.<\/span>fromPixelMap<\/span>(<\/span>pixelMap)<\/span>;<\/span><\/p>\n

Barcode<\/span> barcode =<\/span> new<\/span> Barcode<\/span>(<\/span>)<\/span>;<\/span>
\nint<\/span> result =<\/span> barcodeDetector.<\/span>detect<\/span>(<\/span>image,<\/span> barcode,<\/span> new<\/span> VisionCallback<\/span><<\/span>Barcode<\/span>><\/span><\/span>(<\/span>)<\/span> {<\/span>
\n @Override<\/span>
\n public<\/span> void<\/span> onResult<\/span>(<\/span>Barcode<\/span> barcode)<\/span> {<\/span>
\n String<\/span> value =<\/span> barcode.<\/span>getValue<\/span>(<\/span>)<\/span>;<\/span> \/\/ \u83b7\u53d6\u4e8c\u7ef4\u7801\u5185\u5bb9<\/span>
\n HiLog<\/span>.<\/span>info<\/span>(<\/span>TAG<\/span>,<\/span> "\u8bc6\u522b\u7ed3\u679c: "<\/span> +<\/span> value)<\/span>;<\/span>
\n }<\/span>
\n @Override<\/span>
\n public<\/span> void<\/span> onError<\/span>(<\/span>int<\/span> errorCode,<\/span> String<\/span> errorMessage)<\/span> {<\/span>
\n HiLog<\/span>.<\/span>error<\/span>(<\/span>TAG<\/span>,<\/span> "\u8bc6\u522b\u5931\u8d25: "<\/span> +<\/span> errorMessage)<\/span>;<\/span>
\n }<\/span>
\n}<\/span>)<\/span>;<\/span><\/p>\n

barcodeDetector.<\/span>release<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

20.4 \u7ea6\u675f\u4e0e\u9650\u5236<\/h4>\n
    \n
  • Java \u8bed\u8a00\u5b57\u7b26\u4e32\u957f\u5ea6\u4e0d\u8d85\u8fc7 2953 \u5b57\u7b26，JS \u4e0d\u8d85\u8fc7 256 \u5b57\u7b26<\/li>\n
  • \u56fe\u7247\u5bbd\u5ea6\u4e0d\u8d85\u8fc7 1920px，\u9ad8\u5ea6\u4e0d\u8d85\u8fc7 1680px<\/li>\n
  • \u5efa\u8bae\u4f7f\u7528\u6b63\u65b9\u5f62\u5c3a\u5bf8，\u77e9\u5f62\u4f1a\u5728\u5468\u56f4\u7559\u767d<\/li>\n
  • \u652f\u6301\u7684\u6761\u7801\u683c\u5f0f：QR Code\u3001EAN-13\u3001EAN-8\u3001Code 128\u3001Code 39 \u7b49<\/li>\n<\/ul>\n
    \n

    \u4ee3\u7801\u901f\u67e5\u5361<\/h3>\n\nAPI\u529f\u80fd\u793a\u4f8b<\/tr>\n\n\n\n\n\n\n\n\n
    VisionManager.init(ctx, cb)<\/td>\n\u521d\u59cb\u5316 AI \u5f15\u64ce<\/td>\nVisionManager.init(context, callback)<\/td>\n<\/tr>\n
    getBarcodeDetector(ctx)<\/td>\n\u83b7\u53d6\u6761\u7801\u68c0\u6d4b\u5668<\/td>\nVisionManager.getBarcodeDetector(context)<\/td>\n<\/tr>\n
    detect(text, output, w, h)<\/td>\n\u751f\u6210\u4e8c\u7ef4\u7801<\/td>\ndetector.detect("https:\/\/…", output, 300, 300)<\/td>\n<\/tr>\n
    detect(image, barcode, cb)<\/td>\n\u8bc6\u522b\u4e8c\u7ef4\u7801<\/td>\ndetector.detect(image, barcode, callback)<\/td>\n<\/tr>\n
    barcode.getValue()<\/td>\n\u83b7\u53d6\u8bc6\u522b\u7ed3\u679c\u6587\u672c<\/td>\nbarcode.getValue()<\/td>\n<\/tr>\n
    barcodeDetector.release()<\/td>\n\u91ca\u653e\u68c0\u6d4b\u5668\u8d44\u6e90<\/td>\nbarcodeDetector.release()<\/td>\n<\/tr>\n
    VisionManager.destroy()<\/td>\n\u9500\u6bc1 AI \u5f15\u64ce<\/td>\nVisionManager.destroy()<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n

    \u4e0e Android\/iOS \u5bf9\u6bd4<\/h3>\n\n\u7279\u6027HarmonyOSAndroidiOS<\/tr>\n\n\n\n\n\n
    \u4e8c\u7ef4\u7801\u751f\u6210<\/td>\nIBarcodeDetector (AI \u5f15\u64ce)<\/td>\nZXing \u5e93 \/ Google ML Kit<\/td>\nCoreImage (CIFilter)<\/td>\n<\/tr>\n
    \u4e8c\u7ef4\u7801\u8bc6\u522b<\/td>\nIBarcodeDetector<\/td>\nGoogle ML Kit \/ ZXing<\/td>\nAVFoundation (AVCaptureMetaDataOutput)<\/td>\n<\/tr>\n
    \u6761\u7801\u652f\u6301<\/td>\nQR\/EAN\/Code128 \u7b49<\/td>\n\u53d6\u51b3\u4e8e\u5e93<\/td>\nAVFoundation \u5185\u7f6e<\/td>\n<\/tr>\n
    \u5f15\u64ce\u63a5\u5165<\/td>\nVisionManager \u7edf\u4e00\u5165\u53e3<\/td>\n\u5404\u5e93\u72ec\u7acb\u63a5\u5165<\/td>\n\u5404\u6846\u67b6\u72ec\u7acb\u63a5\u5165<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n

    \u26a0\ufe0f \u8e29\u5751\u56de\u5fc6\u5f55<\/h3>\n

    \u4e8c\u7ef4\u7801\u751f\u6210\u6210\u529f\u4f46\u626b\u4e0d\u51fa\u6765<\/p>\n

    \u6211\u628a\u4e8c\u7ef4\u7801\u505a\u6210\u4e86\u4e00\u5f20\u5f88\u5c0f\u7684\u56fe\u7247（100×100），\u7ed3\u679c\u626b\u63cf\u8bc6\u522b\u7387\u6781\u4f4e，\u7ecf\u5e38\u626b\u4e0d\u51fa\u6765\u3002\u540e\u6765\u624d\u77e5\u9053，\u4e8c\u7ef4\u7801\u7684\u6709\u6548\u4fe1\u606f\u533a\u57df\u592a\u5c0f\u4f1a\u5bfc\u81f4\u626b\u7801\u5931\u8d25\u3002\u5efa\u8bae\u5c3a\u5bf8\u81f3\u5c11 200×200 \u4ee5\u4e0a，300×300 \u6700\u4f73\u3002<\/p>\n

    \u8fd8\u6709\u4e00\u4e2a\u7ec6\u8282：\u5982\u679c\u4e8c\u7ef4\u7801\u662f\u77e9\u5f62\u800c\u975e\u6b63\u65b9\u5f62，\u4f1a\u5728\u4fe1\u606f\u5468\u56f4\u7559\u767d，\u770b\u8d77\u6765\u5c31\u50cf\u7f3a\u4e86\u4e00\u5757\u3002\u6240\u4ee5\u8981\u751f\u6210\u6807\u51c6\u7684\u6b63\u65b9\u5f62\u4e8c\u7ef4\u7801\u3002\u53e6\u5916，VisionManager.init() \u662f\u5f02\u6b65\u64cd\u4f5c，\u5fc5\u987b\u5728 onServiceConnect \u56de\u8c03\u4e4b\u540e\u624d\u80fd\u8c03\u7528 detect()，\u5982\u679c\u5f15\u64ce\u8fd8\u6ca1\u8fde\u4e0a\u5c31\u8c03 detect，\u4f1a\u8fd4\u56de\u9519\u8bef\u7801\u3002<\/p>\n

    \n

    \u5fc5\u505a\u5b9e\u64cd\u4efb\u52a1<\/h3>\n\n\u5e8f\u53f7\u4efb\u52a1\u96be\u5ea6<\/tr>\n\n\n\n\n\n\n
    1<\/td>\n\u5b9e\u73b0\u8f93\u5165\u6587\u672c\u751f\u6210\u4e8c\u7ef4\u7801\u5e76\u663e\u793a<\/td>\n\u4e2d<\/td>\n<\/tr>\n
    2<\/td>\n\u5b9e\u73b0\u4ece\u76f8\u518c\u9009\u53d6\u56fe\u7247\u8bc6\u522b\u4e8c\u7ef4\u7801\u5185\u5bb9<\/td>\n\u4e2d<\/td>\n<\/tr>\n
    3<\/td>\n\u5b9e\u73b0\u76f8\u673a\u5b9e\u65f6\u626b\u7801\u529f\u80fd（\u7ed3\u5408\u7b2c 15 \u7ae0\u76f8\u673a\u80fd\u529b）<\/td>\n\u9ad8<\/td>\n<\/tr>\n
    4<\/td>\n\u5b9e\u73b0\u4e0d\u540c\u5c3a\u5bf8\u4e8c\u7ef4\u7801\u7684\u751f\u6210，\u6d4b\u8bd5\u6700\u4f73\u8bc6\u522b\u5c3a\u5bf8<\/td>\n\u4f4e<\/td>\n<\/tr>\n
    5<\/td>\n\u5b9e\u73b0\u4e00\u4e2a\u5b8c\u6574\u7684\u626b\u7801 App（\u751f\u6210 + \u8bc6\u522b + \u5386\u53f2\u8bb0\u5f55）<\/td>\n\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n

    \u5b66\u4e60\u68c0\u67e5\u6e05\u5355<\/h3>\n
      \n
    • \u80fd\u8bf4\u51fa AI \u5f15\u64ce\u7684\u7edf\u4e00\u63a5\u5165\u6d41\u7a0b（init -> detect -> release）<\/li>\n
    • \u80fd\u4f7f\u7528 IBarcodeDetector \u751f\u6210\u4e8c\u7ef4\u7801<\/li>\n
    • \u80fd\u4f7f\u7528 IBarcodeDetector \u8bc6\u522b\u4e8c\u7ef4\u7801<\/li>\n
    • \u77e5\u9053\u4e3a\u4ec0\u4e48 VisionManager.init \u662f\u5f02\u6b65\u7684<\/li>\n
    • \u77e5\u9053\u4e8c\u7ef4\u7801\u5efa\u8bae\u7684\u6700\u5c0f\u5c3a\u5bf8（200×200）<\/li>\n
    • \u80fd\u533a\u5206\u751f\u6210\u6a21\u5f0f\u548c\u8bc6\u522b\u6a21\u5f0f\u7684 detect \u65b9\u6cd5\u8c03\u7528<\/li>\n
    • \u77e5\u9053 Java \u548c JS \u73af\u5883\u4e0b\u5b57\u7b26\u4e32\u957f\u5ea6\u9650\u5236\u7684\u533a\u522b<\/li>\n
    • \u80fd\u6b63\u786e\u91ca\u653e AI \u5f15\u64ce\u8d44\u6e90<\/li>\n<\/ul>\n
      \n

      \u8fdb\u9636\u65b9\u5411<\/h3>\n
        \n
      • \u7ed3\u5408\u7b2c 21 \u7ae0 OCR，\u5b9e\u73b0"\u626b\u7801 + \u6587\u5b57\u8bc6\u522b"\u7684\u6df7\u5408\u65b9\u6848<\/li>\n
      • \u5b9e\u73b0\u5e26 Logo \u7684\u81ea\u5b9a\u4e49\u4e8c\u7ef4\u7801<\/li>\n
      • \u63a2\u7d22 AI \u5f15\u64ce\u7684\u5176\u4ed6\u80fd\u529b（\u4eba\u8138\u8bc6\u522b\u3001\u56fe\u50cf\u5206\u7c7b\u7b49）
        \nt \u65b9\u6cd5\u8c03\u7528<\/li>\n
      • \u77e5\u9053 Java \u548c JS \u73af\u5883\u4e0b\u5b57\u7b26\u4e32\u957f\u5ea6\u9650\u5236\u7684\u533a\u522b<\/li>\n
      • \u80fd\u6b63\u786e\u91ca\u653e AI \u5f15\u64ce\u8d44\u6e90<\/li>\n<\/ul>\n
        \n

        \u8fdb\u9636\u65b9\u5411<\/h3>\n
          \n
        • \u7ed3\u5408\u7b2c 21 \u7ae0 OCR，\u5b9e\u73b0"\u626b\u7801 + \u6587\u5b57\u8bc6\u522b"\u7684\u6df7\u5408\u65b9\u6848<\/li>\n
        • \u5b9e\u73b0\u5e26 Logo \u7684\u81ea\u5b9a\u4e49\u4e8c\u7ef4\u7801<\/li>\n
        • \u63a2\u7d22 AI \u5f15\u64ce\u7684\u5176\u4ed6\u80fd\u529b（\u4eba\u8138\u8bc6\u522b\u3001\u56fe\u50cf\u5206\u7c7b\u7b49）<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

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