#include "mysql.h"

int _mysql(char *sql, char *MYSQL_HOST, char *MYSQL_PORT_, char *MYSQL_USRT, char *MYSQL_PASSWORD, char *MYSQL_DB, char *MYSQL_TABLES)
{
    static MYSQL mysql;         // 静态变量，仅初始化一次
    static char MYSQL_DB_[270] = { 0 };

    if (!mysql_init(&mysql)) {
        perror("mysql_init");
        return -1;
    }

    int result = 0;

    if (mysql_real_connect(&mysql, MYSQL_HOST, MYSQL_USRT, MYSQL_PASSWORD, "mysql", atoi(MYSQL_PORT_), NULL, 0)) {
        if (0 != mysql_set_character_set(&mysql, "utf8")) {
            perror("mysql_set_character_set");
            result = -1;
            goto shutdown;
        }

        sprintf(MYSQL_DB_, "use %s;", MYSQL_DB);
        if (mysql_query(&mysql, MYSQL_DB_) || mysql_query(&mysql, sql)) {
            fprintf(stderr, "Query execution failed: %s\n", mysql_error(&mysql));
            result = -1;
        } else {
            // 执行成功的操作
        }
    } else {
        fprintf(stderr, "Connect failed: %s\n", mysql_error(&mysql));
        result = -1;
    }

shutdown:
    mysql_close(&mysql);

    return result;
}