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2024年4月25日发(作者：facesittimg网站)
$connstr = "host=127.0.0.1 port=5432
dbname=student user=postgres password=123456";
$conn = pg_connect($connstr);
if (!$conn) {
echo "can't connect to database";
}
$username = $_POST['username'];
$password = $_POST['password'];
$sql = "select count(1) from st_user where username=$1 and password=$2";
$params = array();
$params[0] = $username;
$params[1] = $password;
$result = pg_query_params($conn, $sql, $params);
//$sql = "select count(1) from st_user where username='$username' and
password='$password' ";
//$result = pg_query($conn, $sql);
//echo $sql . "
";
if (!$result) {
echo pg_last_error($conn);
}
$row = pg_fetch_row($result);
if ($row[0] == 1) {
echo "登录成功";
} else {
echo "用户名不存在或密码有误请新用户注册以后再登录.";
}
pg_free_result($result);
pg_close($conn);
>
登录首页
注册页面
$connstr = "host=127.0.0.1 port=5432
dbname=student user=postgres password=123456";
$conn = pg_connect($connstr);
if (!$conn) {
echo "can't connect to database";
}
$username = $_POST['username'];
$password = $_POST['password'];
$confirmpassword = $_POST['confirmpassword'];
if($password != $confirmpassword){
echo "password not equal to confirm password";
exit(1);
}
$sql = "insert into st_user(username,password) values($1,$2)";
$params = array();
$params[0] = $username;
$params[1] = $password;
$result = pg_query_params($conn, $sql, $params);
if ($result) {
echo "注册成功请到登录页面进行登录，返回登录页面";
}
pg_free_result($result);
pg_close($conn);
>
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