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\n#include \n#include \n\nvoid readBitmap(const char *filename, unsigned char **data, long *size) {\n FILE *file = fopen(filename, \"rb\");\n if (!file) {\n perror(\"Unable to open file\");\n exit(EXIT_FAILURE);\n }\n\n fseek(file, 0, SEEK_END);\n *size = ftell(file);\n fseek(file, 0, SEEK_SET);\n\n *data = (unsigned char *)malloc(*size);\n fread(*data, 1, *size, file);\n fclose(file);\n}\n<\/code><\/pre>\n\u5c07\u4e8c\u9032\u5236\u6578\u64da\u5b58\u5132\u5230\u6578\u64da\u5eab<\/h2>\n
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\nCREATE TABLE images (\n id INT AUTO_INCREMENT PRIMARY KEY,\n image_data LONGBLOB NOT NULL\n);\n<\/code><\/pre>\n\u7136\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528C\u8a9e\u8a00\u7684MySQL API\u5c07\u4e8c\u9032\u5236\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n
\n#include \n\nvoid insertImage(MYSQL *conn, unsigned char *data, long size) {\n MYSQL_STMT *stmt;\n MYSQL_BIND bind[1];\n\n stmt = mysql_stmt_init(conn);\n const char *query = \"INSERT INTO images (image_data) VALUES (?)\";\n mysql_stmt_prepare(stmt, query, strlen(query));\n\n memset(bind, 0, sizeof(bind));\n bind[0].buffer_type = MYSQL_TYPE_BLOB;\n bind[0].buffer = data;\n bind[0].buffer_length = size;\n\n mysql_stmt_bind_param(stmt, bind);\n mysql_stmt_execute(stmt);\n mysql_stmt_close(stmt);\n}\n<\/code><\/pre>\n\u5b8c\u6574\u793a\u4f8b<\/h2>\n
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\n#include \n#include \n#include \n\nvoid readBitmap(const char *filename, unsigned char **data, long *size);\nvoid insertImage(MYSQL *conn, unsigned char *data, long size);\n\nint main() {\n unsigned char *data;\n long size;\n readBitmap(\"image.bmp\", &data, &size);\n\n MYSQL *conn = mysql_init(NULL);\n mysql_real_connect(conn, \"host\", \"user\", \"password\", \"database\", 0, NULL, 0);\n \n insertImage(conn, data, size);\n\n mysql_close(conn);\n free(data);\n return 0;\n}\n<\/code><\/pre>\n\u7d50\u8ad6<\/h2>\n
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\u7e3d\u7d50<\/h2>\n
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