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[英]Sending HTTP POST Request with XML to a web service and reading response data in C# for windows 8 phone
[英]HTTP Post Request with Windows Phone Webclient C#
我的本地服务器上有一个php文件,它看起来像这样:(数据库变量在config.php中并且是正确的!)
<?php
require_once "config.php";
try
{
$con = new PDO("mysql:host=".$db_host.";dbname=".$db_name,$db_user,$db_password);
$con->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
catch (PDOException $e)
{
echo "Error: ".$e->getMessage();
exit();
}
if (empty($_POST["number"]) || !isset($_POST["number"]))
{
echo "Error: no number!";
exit();
}
else if (empty($_POST["password"]) || !isset($_POST["password"]))
{
echo "Error: no password!";
exit();
}
else
{
$number = $_POST["number"];
$password = md5($_POST["password"]);
$salt = sha1($_POST["password"]);
}
if (!empty($_POST["login"]))
{
$sql = $con->prepare("SELECT COUNT(`ID`) FROM ".$db_table_login_students." WHERE `number` = ? AND `password` = ? AND `salt` = ? AND user_deleted=0");
$sql->bindParam(1, $number);
$sql->bindParam(2, $password);
$sql->bindParam(3, $salt);
$sql->execute();
if($sql->fetchColumn() > 0)
{
$login = array('Login' => 'Yes');
echo json_encode($login);
$_sql = $con->prepare("UPDATE ".$db_table_login_students." SET last_login=NOW() WHERE number = ?");
$_sql->bindParam(1, $matrikelnummer);
$_sql->execute();
exit();
}
else
{
$login = array('Login' => 'No');
echo json_encode($login);
exit();
}
}
?>
现在,我想使用C#在Windows Phone上发出HTTP发布请求,现在看起来像这样:
void PostJsonRequestWebClient()
{
WebClient webclient = new WebClient();
Uri uristring = null;
uristring = new Uri("http://localhost/login.php?");
webclient.Headers["ContentType"] = "application/x-www-form-urlencoded";
string WebUrlRegistration = "";
string JsonStringParams = "login=yes&number=4340490&password=test";
webclient.UploadStringCompleted += wc_UploadStringCompleted;
webclient.UploadStringAsync(uristring, "POST", JsonStringParams);
}
private void wc_UploadStringCompleted(object sender, UploadStringCompletedEventArgs e)
{
try
{
if (e.Result != null)
{
string response = e.Result.ToString();
textblock1.Text = response;
}
}
catch
{
}
}
我的数据库中包含数字和密码的登录数据正确。 当我发出Get请求而不是Post时,我成为php脚本“ {Login:Yes}”的答复。 但是当我像上面那样发出一个Post请求时,我变成了“错误:没有数字!”。 所以我认为Post查询字符串是假的,但是我什么也没找到。 有谁能够帮助我?
也许HTTP标头应该是Content-Type
而不是ContentType
。
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