{"id":398,"date":"2023-06-05T17:50:50","date_gmt":"2023-06-05T09:50:50","guid":{"rendered":"https:\/\/h5app.yimenapp.cn\/h5app\/?p=398"},"modified":"2023-06-05T17:50:50","modified_gmt":"2023-06-05T09:50:50","slug":"app%e4%ba%8c%e7%bb%b4%e7%a0%81%e7%94%9f%e6%88%90%e5%ae%9e%e7%8e%b0%e6%96%b9%e6%b3%95%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/h5app.yimenapp.cn\/h5app\/2023\/sjapp\/398\/","title":{"rendered":"app\u4e8c\u7ef4\u7801\u751f\u6210\u5b9e\u73b0\u65b9\u6cd5\uff1f"},"content":{"rendered":"

\u4e8c\u7ef4\u7801\u662f\u4e00\u79cd\u7528\u4e8e\u5feb\u901f\u626b\u63cf\u548c\u8bfb\u53d6\u4fe1\u606f\u7684\u7f16\u7801\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u5927\u91cf\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u7f51\u5740\u3001\u8054\u7cfb\u65b9\u5f0f\u3001\u6587\u672c\u4fe1\u606f\u548c\u591a\u5a92\u4f53\u6587\u4ef6\u7b49\u7b49\u3002\u5728\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u9886\u57df\uff0c\u4e8c\u7ef4\u7801\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4ea7\u54c1\u63a8\u5e7f\u3001\u652f\u4ed8\u3001\u8eab\u4efd\u8ba4\u8bc1\u7b49\u65b9\u9762\u3002\u4e0b\u9762\u6211\u4eec\u6765\u8be6\u7ec6\u4ecb\u7ecd\u4e00\u4e0bapp\u4e8c\u7ef4\u7801\u751f\u6210\u7684\u539f\u7406\u548c\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n

\u4e00\u3001\u4e8c\u7ef4\u7801\u7684\u751f\u6210\u539f\u7406<\/p>\n

\u4e8c\u7ef4\u7801\u751f\u6210\u7684\u6838\u5fc3\u539f\u7406\u662f\u5229\u7528\u56fe\u50cf\u5904\u7406\u6280\u672f\u5c06\u4fe1\u606f\u7f16\u7801\u6210\u9ed1\u767d\u76f8\u95f4\u7684\u50cf\u7d20\u70b9\uff0c\u7136\u540e\u518d\u5c06\u8fd9\u4e9b\u50cf\u7d20\u70b9\u7ec4\u5408\u6210\u4e00\u4e2a\u77e9\u9635\u5f62\u72b6\u7684\u56fe\u6848\u3002\u4e8c\u7ef4\u7801\u7684\u7f16\u7801\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5e38\u89c1\u7684\u7f16\u7801\u65b9\u5f0f\u5305\u62ecQR\u7801\u3001Data Matrix\u7801\u3001PDF417\u7801\u7b49\u7b49\u3002<\/p>\n

\u5176\u4e2d\uff0cQR\u7801\u662f\u76ee\u524d\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u4e00\u79cd\u4e8c\u7ef4\u7801\u7f16\u7801\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u591a\u8fbe7,089\u4e2a\u6570\u5b57\u5b57\u7b26\u62164,296\u4e2a\u5b57\u6bcd\u5b57\u7b26\u3002QR\u7801\u7684\u7f16\u7801\u539f\u7406\u662f\u5c06\u4fe1\u606f\u6309\u7167\u4e00\u5b9a\u7684\u89c4\u5219\u62c6\u5206\u6210\u82e5\u5e72\u4e2a\u6570\u636e\u5757\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u6570\u636e\u5757\u6309\u7167\u4e00\u5b9a\u7684\u7b97\u6cd5\u8fdb\u884c\u7f16\u7801\uff0c\u6700\u7ec8\u751f\u6210\u4e00\u4e2a\u77e9\u9635\u5f62\u72b6\u7684\u56fe\u6848\u3002<\/p>\n

\u4e8c\u3001app\u4e8c\u7ef4bat\u6253\u5305\u6210apk<\/a>\u7801\u751f\u6210\u7684\u5b9e\u73b0\u65b9\u5f0f<\/p>\n

app\u4e8c\u7ef4\u7801\u751f\u6210\u7684\u5b9e\u73b0\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u3001\u4f7f\u7528\u7cfb\u7edf\u81ea\u5e26\u7684API\u3001\u81ea\u5df1\u7f16\u5199\u751f\u6210\u7b97\u6cd5\u7b49\u7b49\u3002\u4e0b\u9762\u6211\u4eec\u6765\u5206\u522b\u4ecb\u7ecd\u4e00\u4e0b\u8fd9\u51e0\u79cd\u5b9e\u73b0\u65b9\u5f0f\u7684\u5177\u4f53\u65b9\u6cd5\u3002<\/p>\n

1.\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/p>\n

\u76ee\u524d\u5e02\u9762\u4e0a\u6709\u5f88\u591a\u4f18\u79c0\u7684\u4e8c\u7ef4\u7801\u751f\u6210\u5e93\u53ef\u4f9b\u9009\u62e9\uff0c\u6bd4\u5982ZXing\u3001ZBar\u3001QRCode\u7b49\u7b49\u3002\u8fd9\u4e9b\u5e93\u90fd\u63d0\u4f9b\u4e86\u7b80\u5355\u6613\u7528\u7684API\uff0c\u53ef\u4ee5\u5feb\u901f\u751f\u6210\u4e8c\u7ef4\u7801\uff0c\u5e76\u4e14\u652f\u6301\u591a\u79cd\u7f16\u7801\u65b9\u5f0f\u548c\u81ea\u5b9a\u4e49\u6837\u5f0f\u3002\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u7684\u597d\u5904\u662f\u53ef\u4ee5\u8282\u7701\u5f00\u53d1\u65f6\u95f4\uff0c\u540c\u65f6\u53ef\u4ee5\u907f\u514d\u4e00\u4e9b\u4f4e\u7ea7\u9519\u8bef\u548c\u5b89\u5168\u95ee\u9898\u3002<\/p>\n

\u4ee5ZXing\u4e3a\u4f8b\uff0c\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5982\u4f55\u751f\u6210\u4e00\u4e2a\u7b80\u5355\u7684\u4e8c\u7ef4\u7801\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728\u9879\u76ee\u4e2d\u6dfb\u52a0ZXing\u5e93<\/p>\n

<\/figure>\n<\/p>\n

\u7684\u4f9d\u8d56\uff1a<\/p>\n

“`<\/p>\n

implementation ‘com.google.zxing:core:3.4.0’<\/p>\n

“`<\/p>\n

\u7136\u540e\uff0c\u5728\u4ee3\u7801\u4e2d\u8c03\u7528ZXing\u5e93\u63d0\u4f9b\u7684API\u5373\u53ef\u751f\u6210\u4e8c\u7ef4\u7801\uff1a<\/p>\n

“`<\/p>\n

\/\/\u751f\u6210\u4e8c\u7ef4\u7801<\/p>\n

String content = “https:\/\/www.example.com”;<\/p>\n

int width = 300;<\/p>\n

int height = 300;<\/p>\n

Bitmap bitmap = QRCodeEncoder.encodeAsBitmap(content, BarcodeFormat.QR_CODE, width, height);<\/p>\n

imageView.setImageBitmap(bitmap);<\/p>\n

“`<\/p>\n

2.\u4f7f\u7528\u7cfb\u7edf\u81ea\u5e26\u7684API<\/p>\n

Android\u7cfb\u7edf\u81ea\u5e26\u4e86\u4e00\u4e9b\u751f\u6210\u4e8c\u7ef4\u7801\u7684API\uff0c\u6bd4\u5982BarcodeEncoder\u548cMultiFormatWriter\u7b49\u7b49\u3002\u8fd9\u4e9bAPI\u867d\u7136\u4e0d\u5982\u7b2c\u4e09\u65b9\u5e93\u529f\u80fd\u4e30\u5bcc\uff0c\u4f46\u662f\u5bf9\u4e8e\u4e00\u4e9b\u7b80\u5355\u7684\u9700\u6c42\u5df2\u7ecf\u8db3\u591f\u4f7f\u7528\u3002\u4e0b\u9762\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5982\u4f55\u4f7f\u7528BarcodeEncoder\u751f\u6210\u4e00\u4e2a\u7b80\u5355\u7684\u4e8c\u7ef4\u7801\uff1a<\/p>\n

“`<\/p>\n

\/\/\u751f\u6210\u4e8c\u7ef4\u7801<\/p>\n

String content = “https:\/\/www.example.com”;<\/p>\n

int width = 300;<\/p>\n

int height = 300;<\/p>\n

BarcodeEncoder barcodeEncoder = new BarcodeEncoderapk\u53cd\u8bd1\u5de5\u5177<\/a>();<\/p>\n

Bitmap bitmap = barcodeEncoder.encodeBitmap(content, BarcodeFormat.QR_CODE, width, height);<\/p>\n

imageView.setImageBitmap(bitmap);<\/p>\n

“`<\/p>\n

3.\u81ea\u5df1\u7f16\u5199\u751f\u6210\u7b97\u6cd5<\/p>\n

\u5982\u679c\u4f60\u60f3\u6df1\u5165\u4e86\u89e3\u4e8c\u7ef4\u7801\u7684\u751f\u6210\u539f\u7406\uff0c\u4e5f\u53ef\u4ee5\u81ea\u5df1\u7f16\u5199\u751f\u6210\u7b97\u6cd5\u3002\u4e8c\u7ef4\u7801\u7684\u751f\u6210\u7b97\u6cd5\u6bd4\u8f83\u590d\u6742\uff0c\u9700\u8981\u638c\u63e1\u56fe\u50cf\u5904\u7406\u3001\u7f16\u7801\u539f\u7406\u3001\u7ea0\u9519\u7801\u7b49\u77e5\u8bc6\u3002\u4e0d\u8fc7\uff0c\u5982\u679c\u4f60\u6709\u8db3\u591f\u7684\u65f6\u95f4\u548c\u7cbe\u529b\uff0c\u4e5f\u53ef\u4ee5\u5c1d\u8bd5\u4e00\u4e0b\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4e8c\u7ef4\u7801\u751f\u6210\u7b97\u6cd5\u793a\u4f8b\uff0c\u4ec5\u4f9b\u53c2\u8003\uff1a<\/p>\n

“`<\/p>\n

\/\/\u751f\u6210\u4e8c\u7ef4\u7801<\/p>\n

String content = “https:\/\/www.example.com”;<\/p>\n

int width = 300;<\/p>\n

int height = 300;<\/p>\n

int margin = 2;<\/p>\n

int padding = 10;<\/p>\n

int moduleSize = (width – 2 * margin – 2 * padding) \/ content.length();<\/p>\n

int[][] matrix = new int[width][height];<\/p>\n

for (int i = 0; i <\/p>\n

char c = content.charAt(i);<\/p>\n

String binary = Integer.toBinaryString(c);<\/p>\n

while (binary.length() <\/p>\n

binary = “0” + binary;<\/p>\n

}<\/p>\n

for (int j = 0; j <\/p>\n

int x = margin + padding + i * 8 + j;<\/p>\n

for (int k = 0; k <\/p>\n

int y = margin + padding + j * moduleSize + k;<\/p>\n

matrix[x][y] = binary.charAt(j) == ‘1’ ? 1 : 0;<\/p>\n

}<\/p>\n

}<\/p>\n

}<\/p>\n

\/\/\u7ed8\u5236\u4e8c\u7ef4\u7801<\/p>\n

Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);<\/p>\n

Canvas canvas = new Canvas(bitmap);<\/p>\n

Paint paint = new Paint();<\/p>\n

paint.setColor(Color.BLACK);<\/p>\n

for (int i = 0; i <\/p>\n

for (int j = 0; j <\/p>\n

if (matrix[i][j] == 1) {<\/p>\n

canvas.drawPoint(i, j, paint);<\/p>\n

}<\/p>\n

}<\/p>\n

}<\/p>\n

imageView.setImageBitmap(bitmap);<\/p>\n

“`<\/p>\n

\u4ee5\u4e0a\u5c31\u662fapp\u4e8c\u7ef4\u7801\u751f\u6210\u7684\u539f\u7406\u548c\u5b9e\u73b0\u65b9\u5f0f\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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