Danger-alarm/SOFTWARE/Server/hc-12/mysql.c
2024-06-03 16:27:41 +08:00

39 lines
1.1 KiB
C

#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;
}