c语言操作mysql数据库

#include <mysql.h>
#include <stdio.h>

int main() {
    MYSQL *conn;
    MYSQL_RES *res;
    MYSQL_ROW row;

    const char *server = "localhost";
    const char *user = "root";
    const char *password = "your_password";
    const char *database = "your_database";

    conn = mysql_init(NULL);

    if (!mysql_real_connect(conn, server, user, password, database, 0, NULL, 0)) {
        fprintf(stderr, "%s\n", mysql_error(conn));
        exit(1);
    }

    // 连接成功后的操作

    mysql_close(conn);
    return 0;
}

// 假设已经成功连接到数据库
const char *query = "SELECT * FROM your_table WHERE some_condition";

if (mysql_query(conn, query)) {
    fprintf(stderr, "%s\n", mysql_error(conn));
    return 1;
}

res = mysql_use_result(conn);

if (res == NULL) {
    fprintf(stderr, "%s\n", mysql_error(conn));
    return 1;
}

while ((row = mysql_fetch_row(res)) != NULL) {
    // 处理每一行数据
}

mysql_free_result(res);