{"id":59709,"date":"2024-10-13T00:09:18","date_gmt":"2024-10-12T16:09:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59709\/"},"modified":"2024-10-13T00:09:18","modified_gmt":"2024-10-12T16:09:18","slug":"c%e8%aa%9e%e8%a8%80%e6%95%99%e7%a8%8b%ef%bc%9a%e5%b0%87%e4%ba%8c%e9%80%b2%e5%88%b6%e6%b5%81%e5%af%ab%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%96%b9%e6%b3%95-c%e5%b0%87%e4%ba%8c%e9%80%b2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59709\/","title":{"rendered":"C\u8a9e\u8a00\u6559\u7a0b\uff1a\u5c07\u4e8c\u9032\u5236\u6d41\u5beb\u5165\u6578\u64da\u5eab\u7684\u65b9\u6cd5 (c\u5c07\u4e8c\u9032\u5236\u6d41\u5beb\u5165\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 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\u9023\u63a5\u6578\u64da\u5eab<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u9019\u901a\u5e38\u4f7f\u7528\u6578\u64da\u5eab\u7684API\u4f86\u5be6\u73fe\uff0c\u4f8b\u5982MySQL\u7684C API\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\n#include &lt;mysql\/mysql.h&gt;\n\nMYSQL *conn;\nconn = mysql_init(NULL);\nif (conn == NULL) {\n    fprintf(stderr, \"mysql_init() failedn\");\n    return EXIT_FAILURE;\n}\n\nif (mysql_real_connect(conn, \"host\", \"user\", \"password\", \"database\", 0, NULL, 0) == NULL) {\n    fprintf(stderr, \"mysql_real_connect() failedn\");\n    mysql_close(conn);\n    return EXIT_FAILURE;\n}\n<\/code><\/pre>\n<h3 id=\"2-%e6%ba%96%e5%82%99%e4%ba%8c%e9%80%b2%e5%88%b6%e6%95%b8%e6%93%9a-OliaLYNwMc\">2. \u6e96\u5099\u4e8c\u9032\u5236\u6578\u64da<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u6e96\u5099\u8981\u5beb\u5165\u6578\u64da\u5eab\u7684\u4e8c\u9032\u5236\u6578\u64da\u3002\u9019\u53ef\u4ee5\u662f\u5f9e\u6587\u4ef6\u4e2d\u8b80\u53d6\u7684\u6578\u64da\uff0c\u6216\u662f\u5176\u4ed6\u4f86\u6e90\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5f9e\u6587\u4ef6\u4e2d\u8b80\u53d6\u4e8c\u9032\u5236\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nFILE *file = fopen(\"image.jpg\", \"rb\");\nif (!file) {\n    perror(\"File opening failed\");\n    return EXIT_FAILURE;\n}\n\nfseek(file, 0, SEEK_END);\nlong file_size = ftell(file);\nfseek(file, 0, SEEK_SET);\n\nunsigned char *buffer = (unsigned char *)malloc(file_size);\nfread(buffer, 1, file_size, file);\nfclose(file);\n<\/code><\/pre>\n<h3 id=\"3-%e5%af%ab%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab-OliaLYNwMc\">3. 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