initial

SOFTWARE/Server/hc-12/mysql.c

@@ -0,0 +1,38 @@
+#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;
+}