{"id":311026,"date":"2024-05-20T22:04:46","date_gmt":"2024-05-20T14:04:46","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/311026.html"},"modified":"2024-05-20T22:05:02","modified_gmt":"2024-05-20T14:05:02","slug":"%e5%8d%95%e7%89%87%e6%9c%ba%e7%94%a8c%e8%af%ad%e8%a8%80%e6%80%8e%e4%b9%88%e5%86%99%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e8%bf%90%e7%ae%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/311026.html","title":{"rendered":"\u5355\u7247\u673a\u7528c\u8bed\u8a00\u600e\u4e48\u5199\u4e8c\u7ef4\u6570\u7ec4\u8fd0\u7b97"},"content":{"rendered":"

\"\u5355\u7247\u673a\u7528c\u8bed\u8a00\u600e\u4e48\u5199\u4e8c\u7ef4\u6570\u7ec4\u8fd0\u7b97\"<\/p>\n

\u4e8c\u7ef4\u6570\u7ec4\u5728\u5355\u7247\u673a\u4e2d\u4f7f\u7528C\u8bed\u8a00\u8fdb\u884c\u8fd0\u7b97\u65f6\uff0c\u9996\u5148\u9700\u8981\u6b63\u786e\u58f0\u660e\u548c\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\u3001\u5176\u6b21\u8fdb\u884c\u9002\u5f53\u7684\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u53ca\u8fd0\u7b97\u64cd\u4f5c\uff0c\u5e38\u89c1\u7684\u8fd0\u7b97\u5305\u62ec\u4e8c\u7ef4\u6570\u7ec4\u7684\u904d\u5386\u3001\u6570\u636e\u5904\u7406\u3001\u77e9\u9635\u8fd0\u7b97\u7b49<\/strong>\u3002\u4ee5\u77e9\u9635\u52a0\u6cd5\u4e3a\u4f8b\uff0c\u8be6\u7ec6\u7684\u53ef\u4ee5\u901a\u8fc7\u4e24\u5c42\u5faa\u73af\u3001\u5bf9\u5e94\u4f4d\u7f6e\u5143\u7d20\u76f8\u52a0\u6765\u5b9e\u73b0\u8be5\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4e8c\u7ef4\u6570\u7ec4\u58f0\u660e\u4e0e\u521d\u59cb\u5316<\/h3>\n<\/p>\n

\u5728\u5355\u7247\u673a\u7f16\u7a0b\u4e2d\u4f7f\u7528C\u8bed\u8a00\u58f0\u660e\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7684\u7c7b\u578b\u3001\u884c\u6570\u548c\u5217\u6570\uff0c\u6570\u7ec4\u7684\u521d\u59cb\u5316\u53ef\u4ee5\u7acb\u523b\u8ddf\u968f\u58f0\u660e\u8fdb\u884c\uff0c\u6216\u8005\u5728\u58f0\u660e\u540e\u4f7f\u7528\u5355\u72ec\u7684\u8bed\u53e5\u6765\u521d\u59cb\u5316\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n

\u4f8b\u5982\uff0c\u58f0\u660e\u5e76\u521d\u59cb\u5316\u4e00\u4e2a2×3\u7684\u6574\u578b\u6570\u7ec4:<\/p>\n<\/p>\n

int matrix[2][3] = {<\/p>\n
    {1, 2, 3},<\/p>\n
    {4, 5, 6}<\/p>\n
};<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20\u8d4b\u503c<\/h3>\n<\/p>\n
\u4e3a\u4e86\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u8d4b\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u7ed3\u6784\u6765\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u4e3a\u5176\u8d4b\u4e88\u7279\u5b9a\u7684\u503c\u3002\u5355\u7247\u673a\u4e2d\u7684\u5185\u5b58\u8f83\u4e3a\u6709\u9650\uff0c\u9700\u8981\u6ce8\u610f\u4e0d\u8981\u8d8a\u754c\u8d4b\u503c\u3002<\/p>\n<\/p>\n
int i, j;<\/p>\n
for (i = 0; i < 2; i++) {<\/p>\n
    for (j = 0; j < 3; j++) {<\/p>\n
        matrix[i][j] = i * j; \/\/ \u4e3e\u4f8b\u7684\u8d4b\u503c\u65b9\u5f0f<\/p>\n
    }<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4e8c\u7ef4\u6570\u7ec4\u904d\u5386\u8f93\u51fa<\/h3>\n<\/p>\n
\u4e24\u5c42for\u5faa\u73af\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u7684\u5b8c\u6574\u904d\u5386\u3002\u5728\u5355\u7247\u673a\u7f16\u7a0b\u4e2d\uff0c\u8f93\u51fa\u64cd\u4f5c\u53ef\u80fd\u9700\u8981\u901a\u8fc7\u7279\u5b9aI\/O\u51fd\u6570\u8fdb\u884c\uff0c\u5982UART\u53d1\u9001\u51fd\u6570\u6216LCD\u663e\u793a\u51fd\u6570\u3002<\/p>\n<\/p>\n
for (i = 0; i < 2; i++) {<\/p>\n
    for (j = 0; j < 3; j++) {<\/p>\n
        printf("%d ", matrix[i][j]); \/\/ \u4f7f\u7528printf\u51fd\u6570\u4ec5\u4e3a\u793a\u4f8b<\/p>\n
    }<\/p>\n
    printf("\\n");<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4e8c\u7ef4\u6570\u7ec4\u7684\u57fa\u672c\u8fd0\u7b97<\/h3>\n<\/p>\n
\u5355\u7247\u673a\u4e2d\u5e38\u89c1\u7684\u8fd0\u7b97\u6709\u77e9\u9635\u52a0\u51cf\u6cd5\u3001\u4e58\u6cd5\uff0c\u4f46\u8fd9\u4e9b\u64cd\u4f5c\u8981\u6c42\u7a0b\u5e8f\u5458\u660e\u767d\u77e9\u9635\u8fd0\u7b97\u7684\u57fa\u672c\u539f\u5219\u3002\u4ee5\u4e0b\u662f\u77e9\u9635\u52a0\u6cd5\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n
int matrixA[2][3] = {{1, 2, 3}, {4, 5, 6}};<\/p>\n
int matrixB[2][3] = {{6, 5, 4}, {3, 2, 1}};<\/p>\n
int matrixSum[2][3];<\/p>\n
for (i = 0; i < 2; i++) {<\/p>\n
    for (j = 0; j < 3; j++) {<\/p>\n
        matrixSum[i][j] = matrixA[i][j] + matrixB[i][j];<\/p>\n
    }<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u4e8c\u7ef4\u6570\u7ec4\u7684\u9ad8\u7ea7\u8fd0\u7b97<\/h3>\n<\/p>\n
\u5bf9\u4e8e\u4e8c\u7ef4\u6570\u7ec4\uff0c\u66f4\u590d\u6742\u7684\u8fd0\u7b97\u5982\u77e9\u9635\u4e58\u6cd5\u9700\u8981\u7a0b\u5e8f\u5458\u5177\u5907\u5bf9\u77e9\u9635\u4e58\u6cd5\u539f\u7406\u7684\u7406\u89e3\uff0c\u4ee5\u4e0b\u662f\u77e9\u9635\u4e58\u6cd5\u7684\u4f2a\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
\/\/ \u5047\u8bbematrixC\u662f\u7ed3\u679c\u77e9\u9635\uff0c\u5176\u7ef4\u5ea6\u4e3a(matrixA\u7684\u884c\u6570) x (matrixB\u7684\u5217\u6570)<\/p>\n
for (i = 0; i < rowsA; i++) {<\/p>\n
    for (j = 0; j < colsB; j++) {<\/p>\n
        matrixC[i][j] = 0; \/\/ \u521d\u59cb\u5316\u7ed3\u679c\u77e9\u9635\u7684\u5f53\u524d\u5143\u7d20<\/p>\n
        for (k = 0; k < colsA; k++) { \/\/ \u786e\u4fddcolsA == rowsB<\/p>\n
            matrixC[i][j] += matrixA[i][k] * matrixB[k][j];<\/p>\n
        }<\/p>\n
    }<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u4e8c\u7ef4\u6570\u7ec4\u8fd0\u7528\u4e8e\u5355\u7247\u673a\u5e94\u7528<\/h3>\n<\/p>\n
\u5728\u5355\u7247\u673a\u5e94\u7528\u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u901a\u5e38\u7528\u4e8e\u5904\u7406\u591a\u7ef4\u6570\u636e\u7ed3\u6784\uff0c\u5982\u4f20\u611f\u5668\u7f51\u683c\u6570\u636e\u3001\u5c4f\u5e55\u50cf\u7d20\u77e9\u9635\u6570\u636e\u7b49\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff0c\u82e5\u9700\u8981\u5904\u7406\u4e00\u4e2a\u7531\u4f20\u611f\u5668\u6784\u6210\u76843×3\u7f51\u683c\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\uff0c\u518d\u901a\u8fc7\u7b97\u6cd5\u5bf9\u6570\u636e\u8fdb\u884c\u9002\u5f53\u5904\u7406\uff1a<\/p>\n<\/p>\n
int sensorData[3][3];<\/p>\n
\/\/ \u5047\u8bbe\u5df2\u6709\u51fd\u6570readSensor(row, col)\u83b7\u53d6\u6570\u636e<\/p>\n
for (i = 0; i < 3; i++) {<\/p>\n
    for (j = 0; j < 3; j++) {<\/p>\n
        sensorData[i][j] = readSensor(i, j);<\/p>\n
        \/\/ \u8fdb\u884c\u6570\u636e\u5904\u7406<\/p>\n
        \/\/ ...<\/p>\n
    }<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u6570\u7ec4\u4e0e\u5355\u7247\u673a\u8d44\u6e90\u4f18\u5316<\/h3>\n<\/p>\n
\u7531\u4e8e\u5355\u7247\u673a\u7684\u8d44\u6e90\u9650\u5236\uff0c\u6570\u7ec4\u7684\u4f7f\u7528\u9700\u8003\u8651\u5230\u5185\u5b58\u5360\u7528\uff0c\u8fd0\u7b97\u590d\u6742\u5ea6\u7b49\u95ee\u9898\u3002\u5408\u7406\u7684\u4f18\u5316\u53ef\u4ee5\u901a\u8fc7\u964d\u4f4e\u6570\u7ec4\u7684\u7ef4\u5ea6\u548c\u5927\u5c0f\u3001\u4f18\u5316\u5faa\u73af\u7684\u5d4c\u5957\u5c42\u6570\uff0c\u4ee5\u53ca\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\u7b49\u65b9\u5f0f\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
\u5728\u64cd\u4f5c\u4e8c\u7ef4\u6570\u7ec4\u65f6\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u8f83\u5927\u7684\u6570\u7ec4\u6216\u590d\u6742\u5ea6\u8f83\u9ad8\u7684\u8fd0\u7b97\uff08\u5982\u77e9\u9635\u4e58\u6cd5\uff09\uff0c\u8fd0\u7b97\u6240\u9700\u65f6\u95f4\u8f83\u957f\uff0c\u56e0\u6b64\uff0c\u4f18\u5316\u4ee3\u7801\u548c\u7b97\u6cd5\u5bf9\u4e8e\u63d0\u9ad8\u5355\u7247\u673a\u5de5\u4f5c\u6548\u7387\u5c24\u5176\u91cd\u8981\u3002<\/p>\n<\/p>\n
\u603b\u7ed3\u800c\u8a00\uff0c\u5355\u7247\u673a\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u8fd0\u7b97\u65e2\u8981\u8003\u8651\u5230\u7b97\u6cd5\u7684\u6b63\u786e\u6027\u3001\u4e5f\u8981\u91cd\u89c6\u5bf9\u8d44\u6e90\u6d88\u8017\u7684\u63a7\u5236\uff0c\u8fd9\u8981\u6c42\u7f16\u5199\u8005\u5177\u6709\u8f83\u597d\u7684\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\u57fa\u7840\uff0c\u540c\u65f6\u5bf9\u5355\u7247\u673a\u7684\u6027\u80fd\u9650\u5236\u6709\u6df1\u523b\u7406\u89e3\u3002\u901a\u8fc7\u6709\u6548\u7684\u7f16\u7a0b\u5b9e\u8df5\u548c\u4ee3\u7801\u4f18\u5316\uff0c\u53ef\u4ee5\u5728\u5355\u7247\u673a\u9879\u76ee\u4e2d\u9ad8\u6548\u5730\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u8fdb\u884c\u590d\u6742\u6570\u636e\u7684\u5904\u7406\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
Q: \u5728\u5355\u7247\u673a\u4e2d\uff0c\u5982\u4f55\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u4e8c\u7ef4\u6570\u7ec4\u8fd0\u7b97\uff1f<\/strong><\/p>\n
A: \u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u4e8c\u7ef4\u6570\u7ec4\u8fd0\u7b97\u65f6\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n
    \n
  1. \u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1a\u9996\u5148\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6307\u5b9a\u5176\u884c\u6570\u548c\u5217\u6570\uff0c\u4f8b\u5982int array[3][3]\uff0c\u8868\u793a\u521b\u5efa\u4e00\u4e2a3\u884c3\u5217\u7684\u4e8c\u7ef4\u6574\u6570\u6570\u7ec4\u3002<\/li>\n
  2. \u8d4b\u503c\uff1a\u6839\u636e\u4f60\u7684\u9700\u6c42\uff0c\u4e3a\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8d4b\u503c\u3002\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u8bed\u53e5\u9010\u4e2a\u8d4b\u503c\uff0c\u6216\u8005\u901a\u8fc7\u952e\u76d8\u8f93\u5165\u8fdb\u884c\u8d4b\u503c\u3002<\/li>\n
  3. \u8fdb\u884c\u8fd0\u7b97\uff1a\u4f7f\u7528C\u8bed\u8a00\u7684\u7b97\u672f\u8fd0\u7b97\u7b26\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u8fdb\u884c\u8fd0\u7b97\u3002\u53ef\u4ee5\u8fdb\u884c\u52a0\u6cd5\u3001\u51cf\u6cd5\u3001\u4e58\u6cd5\u7b49\u8fd0\u7b97\u3002<\/li>\n
  4. \u8f93\u51fa\u7ed3\u679c\uff1a\u4f7f\u7528printf\u51fd\u6570\u5c06\u8fd0\u7b97\u7ed3\u679c\u8f93\u51fa\u5230\u7ec8\u7aef\u6216\u8005\u5176\u4ed6\u8bbe\u5907\u3002<\/li>\n<\/ol>\n
    Q: \u5982\u4f55\u5728\u5355\u7247\u673a\u4e2d\u5b9e\u73b0\u4e8c\u7ef4\u6570\u7ec4\u7684\u52a0\u6cd5\u8fd0\u7b97\uff1f<\/strong><\/p>\n
    A: \u5728\u5355\u7247\u673a\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\u4e8c\u7ef4\u6570\u7ec4\u7684\u52a0\u6cd5\u8fd0\u7b97\uff1a<\/p>\n
      \n
    1. \u5b9a\u4e49\u4e24\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5206\u522b\u8868\u793a\u5f85\u76f8\u52a0\u7684\u4e24\u4e2a\u77e9\u9635\u3002\u5047\u8bbe\u8fd9\u4e24\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u5206\u522b\u4e3amatrix1\u548cmatrix2\u3002<\/li>\n
    2. \u4f7f\u7528\u5faa\u73af\u8bed\u53e5\u904d\u5386\u8fd9\u4e24\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5c06\u5bf9\u5e94\u4f4d\u7f6e\u7684\u5143\u7d20\u8fdb\u884c\u76f8\u52a0\uff0c\u5e76\u5c06\u7ed3\u679c\u5b58\u50a8\u5728\u4e00\u4e2a\u65b0\u7684\u4e8c\u7ef4\u6570\u7ec4\u4e2d\uff0c\u4f8b\u5982resultMatrix\u3002<\/li>\n
    3. \u4f7f\u7528printf\u51fd\u6570\u5c06resultMatrix\u4e2d\u7684\u5143\u7d20\u6253\u5370\u8f93\u51fa\u3002<\/li>\n<\/ol>\n
      Q: \u5728\u5355\u7247\u673a\u4e2d\uff0c\u5982\u4f55\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u7684\u5e73\u5747\u503c\uff1f<\/strong><\/p>\n
      A: \u8981\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u7684\u5e73\u5747\u503c\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n
        \n
      1. \u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u8868\u793a\u5f85\u8ba1\u7b97\u5e73\u5747\u503c\u7684\u77e9\u9635\uff0c\u5047\u8bbe\u8fd9\u4e2a\u6570\u7ec4\u4e3amatrix\u3002<\/li>\n
      2. \u4f7f\u7528\u4e24\u4e2a\u5d4c\u5957\u7684\u5faa\u73af\u904d\u5386\u8fd9\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u7d2f\u52a0\u3002<\/li>\n
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