header("Access-Control-Allow-Origin: *");
header("Control-type:application/json;charset='utf-8'");
$con = mysql_connect('url','username','pwd');
$mysql_db = mysql_select_db('npi',$con) or die ('连接失败'.mysql_errno);
mysql_query("set names 'uft8'");
$sql = "select lineno from lineno6s";
$query = mysql_query($sql);
if($query&&mysql_num_rows($query)){
while ($row = mysql_fetch_assoc($query)) {
$data [] = $row;
}
}
else if(mysql_num_rows($query)==null){
$data = '{content:"blank"}';
echo $data;
return;
}
$jsondata = json_encode($data,JSON_UNESCAPED_UNICODE);
echo $jsondata;
mysql_close();
exit();
php连接数据库查询数据(方式二)
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转载自blog.csdn.net/liting1996/article/details/79650133
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