mysql现在在我版面哪里只能用mysqli，课程里面的执行代码都运行不到，甚至报错
mysql现在在我版面哪里只能用mysqli，课程里面的执行代码都运行不到，甚至报错
3 回答
可以参考如下代码：
<?php
header("Content-type:text/html;charset = UTF-8");
if($con = mysqli_connect('127.0.0.1','root',''))
{
echo "连接成功";
}else{
echo "连接失败";
}
if(mysqli_select_db($con,'tamia'))
{
echo "连接数据库成功";
}else{
echo "连接数据库失败";
}
/*if(mysqli_query($con,'insert into users(username)values("herry")')){
echo "插入数据成功";
}else{
echo mysqli_error();
echo "插入数据失败";
}*/
$query = mysqli_query($con,'select * from users');
while($row = mysqli_fetch_row($query))
print_r($row)
?>
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