在Visual Studio中使用C++连接MySQL需要以下步骤：
下载并安装MySQL Connector/C++。
新建一个C++项目，右击项目选择“属性”。
在属性窗口中选择“VC++目录”，将MySQL Connector/C++的头文件目录和库文件目录添加进去。
进入“链接器”选项卡，将libmysql.lib或者mysqlclient.lib添加到附加依赖项中。
在代码中添加MySQL Connector/C++的头文件，并使用相应的命名空间。
使用以下代码连接MySQL数据库：
#include <iostream>
#include <string>
#include <mysql_connection.h>
#include <mysql_driver.h>
#include <cppconn/driver.h>
#include <cppconn/exception.h>
#include <cppconn/resultset.h>
#include <cppconn/statement.h>
using namespace std;
int main() {
sql::Driver* driver;
sql::Connection* con;
sql::Statement* stmt;
sql::ResultSet* res;
string url = "tcp://127.0.0.1:3306/mydatabase";
string user = "root";
string password = "";
try {
driver = get_driver_instance();
con = driver->connect(url, user, password);
stmt = con->createStatement();
res = stmt->executeQuery("SELECT * FROM mytable");
while (res->next()) {
cout << res->getString("name") << " ";
cout << res->getString("age") << endl;
}
delete res;
delete stmt;
delete con;
}
catch (sql::SQLException& e) {
cout << "Error: " << e.what() << endl;
}
return 0;
}
请注意，您需要根据实际情况更改连接字符串、用户名、密码和查询语句。同时，您需要在代码中添加相应的错误处理机制以处理可能出现的异常。
![/data # iw --debug dev wlan0 connect -w "lucky-5g" auth open key 0:1234567890
Usage: iw [options] dev connect [-w] [] [] [auth open|shared] [key 0:abcde d:1:6162636465] [mfp:req/opt/no]
Join the network with ...](https://linuxcpp.0voice.com/zb_users/upload/2023/05/202305162239148267954.png)
![驱动代码
void kalRxTaskletSchedule(struct GLUE_INFO *pr)
{
static unsigned int num = 0;
tasklet_hi_schedule(&pr->rRxTask[(num++)%NR_CPUS]);
// tasklet_hi_schedule(&pr->rRxTask);
DBGLOG(HAL, ERROR,](https://linuxcpp.0voice.com/zb_users/upload/2023/05/202305162226144313964.png)
