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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#
我的本地服務器上有一個php文件,它看起來像這樣:(數據庫變量在config.php中並且是正確的!)
<?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();
}
}
?>
現在,我想使用C#在Windows Phone上發出HTTP發布請求,現在看起來像這樣:
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
{
}
}
我的數據庫中包含數字和密碼的登錄數據正確。 當我發出Get請求而不是Post時,我成為php腳本“ {Login:Yes}”的答復。 但是當我像上面那樣發出一個Post請求時,我變成了“錯誤:沒有數字!”。 所以我認為Post查詢字符串是假的,但是我什么也沒找到。 有誰能夠幫助我?
也許HTTP標頭應該是Content-Type
而不是ContentType
。
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