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<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta charset="utf-8">
<title>my sql</title>
<meta name="keywords" content="geovindu">
<meta name="description" content="涂聚文">
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<body>
<?php
// php 7.27 mysql 5.7
/*
character_set_client utf8
character_set_connection utf8
character_set_database utf8 -- 安装mysql时要设置的,所要考虑的
character_set_filesystem binary
character_set_results utf8
character_set_server utf8
character_set_system utf8
*/
$mysql_conf = array(
'host' => '127.0.0.1:3306',
'db' => 'sakila',
'db_user' => 'root',
'db_pwd' => '888888',
);
$mysqli = @new mysqli($mysql_conf['host'], $mysql_conf['db_user'], $mysql_conf['db_pwd']);
if ($mysqli->connect_errno) {
die("could not connect to the database:
" . $mysqli->connect_error);//诊断连接错误
}
$mysqli->query("set names 'utf8';");//编码转化
$select_db = $mysqli->select_db($mysql_conf['db']);
if (!$select_db) {
die("could not connect to the db:
" . $mysqli->error);
}
$sql = "select city from city where city_id = 601;";
$res = $mysqli->query($sql);
//$result = mysql_query($sql) or die($sql."<br/><br/>".mysql_error());
//$password = mysql_result($result, 0);
// echo $password;
if (!$res) {
die("sql error:
" . $mysqli->error);
}
while ($row = $res->fetch_assoc()) {
var_dump($row);
}
// 显示字段名称
$sql = "select * from city where city_id = 601;";
$res = $mysqli->query($sql);
while($field=$res->fetch_field())
echo("<br/>".$field->name);
//显示某行
$sql = "select * from city where city_id = 601;";
$res = $mysqli->query($sql);
while($rowd=$res->fetch_row())
for($i=0;$i<$res->field_count;$i++)
echo("<br/>".$rowd[$i]);
$res->free();
$mysqli->close();
?>
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</html>