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关于PHP数据库的小疑点

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Release: 2016-06-13 11:29:15
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关于PHP数据库的小问题
$con=mysql_connect("localhost","root","123456");
if(!$con)
{
die('Could not connect:'.mysql_error());
}
mysql_query("SET NAMES 'utf8'"); //设置字符集
mysql_select_db("manage",$con);   //选择数据库
$sql1="
select count(*)
from user
where username=="".$_POST['name']."" and password=="".$_POST['password'].""
LIMIT 1
";
$result=mysql_query($sql1,$con);
红色部分报错。前辈们,在下有两个问题:第一,目前这种格式,应该怎么改,使其正确。第二,你们在验证用户信息时,是这么做的呢?比较简单的那种。

PHP 数据库 用户验证
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