<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "test02";
$conn=new mysqli($servername,$username,$password,$dbname);
if($conn->connect_error){
die('数据库连接失败!'.$conn->connect_error);
}else{
echo "数据库连接成功<br/>";
}
$sql="select * from tb_user";
$result=$conn->query($sql);
if ($result->num_rows > 0) {
// 输出数据
while($row = $result->fetch_assoc()) {
echo $row["id"]. " " . $row["username"]. " " . $row["password"]. "<br/>";
}
} else {
echo "0 结果";
}
$conn->close();
?>
