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ios - 发布请求后发回响应

转载 作者：可可西里 更新时间：2023-11-01 00:46:43 25 4
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首先，我认为这是不可能的，但我有一段代码可以向数据库发出发布请求，我希望根据发布的数据获得响应。我的意思是，如果将变量放在数据库中，则响应将是“ok”，否则将是“no”。

我的发帖请求如下:

let postDataURL = "https://www.webpage.com/login_app.php"
let url: NSURL = NSURL(string: postDataURL)!
let request: NSMutableURLRequest = NSMutableURLRequest(url:url as URL)

let paramString = "precio=\(precio)&texto=\(texto)&user=\(user)&l_origen=\(l_origen)&l_destino=\(l_destino)&num_pal=\(num_pal)"
request.httpMethod = "POST"
request.httpBody = paramString.data(using: String.Encoding.utf8)

NSURLConnection.sendAsynchronousRequest(request as URLRequest, queue: OperationQueue.main) { (response, data, error) in
    print(response!)

    if let httpResponse = response as? HTTPURLResponse {
        let statusCode = httpResponse.statusCode

        if statusCode==200 {
            print("Connection Successful")    
        } else {
            print("Connection Failed (!200)")
        }
    }
}

然后，在 php 端我可以有类似的东西 

if (affected_rows > 0){
    $response = "ok";
} else {
    $response = "no";
}

但在那之后，我不知道 php 代码将如何重新连接到设备以给它响应。

非常感谢您的宝贵时间。

编辑

失败时发送的响应:

Optional(<!DOCTYPE html>

<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE11">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Log in - Siens Translation</title>

.
.
.

</body>
</html>
)

这基本上是页面的 html 部分。

PHP 部分

<!DOCTYPE html>

<?php
require "class.logsys.php";

header('Content-Type: text/html; charset=utf-8' );
ini_set('default_charset', 'utf-8');

error_reporting(E_ERROR | E_WARNING | E_PARSE);

session_start();
\Fr\LS::init();

if(isset($_POST['action_login'])){
  $identification = $_POST['login'];
  $password = $_POST['password'];
  if($identification == "" || $password == ""){
    $msg = array("Error", "Username / Password Wrong !");
  }else{
    $login = \Fr\LS::login($identification, $password,     isset($_POST['remember_me']));
    if($login === false){
      $msg = array("Error", "Username / Password Wrong !");
    }else if(is_array($login) && $login['status'] == "blocked"){
      $msg = array("Error", "Too many login attempts. You can attempt login     after ". $login['minutes'] ." minutes (". $login['seconds'] ." seconds)");
    }
  }
}


  $precio = $_POST['precio']; 

  $texto = $_POST['texto'];

  $texto_ant = $_POST['texto_ant']; 

  $user = $_POST['user']; 

  $pass = $_POST['pass'];

  $l_origen = $_POST['l_origen']; 

  $l_destino = $_POST['l_destino'];

  $num_pal = $_POST['num_pal']; 

  $modificado = $_POST['modificado'];

$login = \Fr\LS::login($user, $pass, false, false);
if($login === true){

 define('HOST','');
 define('USER','');
 define('PASS','');
 define('DB','');

 $con = mysqli_connect(HOST,USER,PASS,DB) or die('Unable to Connect');

mysqli_set_charset( $con, 'utf8');

 if($modificado!='Si'){

 $sql = "UPDATE users SET precio='$precio', text_cli='$texto',     l_origen='$l_origen', l_destino='$l_destino', num_pal='$num_pal' WHERE     username='$user' AND text_cli='' LIMIT 1 ";
  mysqli_query($con,$sql);
  echo '{"success":true}';

 if(mysqli_affected_rows($con)==0){
  $sql2 = "UPDATE users SET precio2='$precio', text_cli2='$texto',  l_origen2='$l_origen', l_destino2='$l_destino', num_pal2='$num_pal' WHERE  username='$user' AND text_cli2='' LIMIT 1 ";
  mysqli_query($con,$sql2);
 } 

 if(mysqli_affected_rows($con)==0) {
  $sql3 = "UPDATE users SET precio3='$precio', text_cli3='$texto',     l_origen3='$l_origen', l_destino3='$l_destino', num_pal3='$num_pal' WHERE     username='$user' AND text_cli3='' LIMIT 1 ";
  mysqli_query($con,$sql3);
 }

 if(mysqli_affected_rows($con)==0) {
  $sql4 = "UPDATE users SET precio4='$precio', text_cli4='$texto',  l_origen4='$l_origen', l_destino4='$l_destino', num_pal4='$num_pal' WHERE  username='$user' AND text_cli4='' LIMIT 1 ";
  mysqli_query($con,$sql4);
 }

 if(mysqli_affected_rows($con)==0) {
  $sql5 = "UPDATE users SET precio5='$precio', text_cli5='$texto',  l_origen5='$l_origen', l_destino5='$l_destino', num_pal5='$num_pal' WHERE username='$user' AND text_cli5='' LIMIT 1 ";
  mysqli_query($con,$sql5);
 }

 if(mysqli_affected_rows($con)==0) {
  $sql6 = "UPDATE users SET precio6='$precio', text_cli6='$texto', l_origen6='$l_origen', l_destino6='$l_destino', num_pal6='$num_pal' WHERE username='$user' AND text_cli6='' LIMIT 1 ";
  mysqli_query($con,$sql6);
 }

 if(mysqli_affected_rows($con)==0) {
  $sql7 = "UPDATE users SET precio7='$precio', text_cli7='$texto', l_origen7='$l_origen', l_destino7='$l_destino', num_pal7='$num_pal' WHERE username='$user' AND text_cli7='' LIMIT 1 ";
  mysqli_query($con,$sql7);
 }

 if(mysqli_affected_rows($con)==0) {
  $sql8 = "UPDATE users SET precio8='$precio', text_cli8='$texto', l_origen8='$l_origen', l_destino8='$l_destino', num_pal8='$num_pal' WHERE    username='$user' AND text_cli8='' LIMIT 1 ";
  mysqli_query($con,$sql8);
 }

 if(mysqli_affected_rows($con)==0) {
  $sql9 = "UPDATE users SET precio9='$precio', text_cli9='$texto', l_origen9='$l_origen', l_destino9='$l_destino', num_pal9='$num_pal' WHERE username='$user' AND text_cli9='' LIMIT 1 ";
  mysqli_query($con,$sql9);
 }

 if(mysqli_affected_rows($con)==0) {
  $sql10 = "UPDATE users SET precio10='$precio', text_cli10='$texto', l_origen10='$l_origen', l_destino10='$l_destino', num_pal10='$num_pal' WHERE username='$user' AND text_cli10='' LIMIT 1 ";
  mysqli_query($con,$sql10);
  echo '{"success":false}';
 }

 $sql11 = "UPDATE users SET text_cli='$texto' WHERE ((l_origen='$l_origen' || l_origen2='$l_origen') AND l_destino='$l_destino' AND text_cli='' AND role='trad_app') LIMIT 1 ";

 mysqli_query($con,$sql11);

 if(mysqli_affected_rows($con)==0){
   $sql12 = "UPDATE users SET text_cli2='$texto' WHERE ((l_origen='$l_origen' || l_origen2='$l_origen') AND l_destino='$l_destino' AND text_cli2='' AND role ='trad_app') LIMIT 1 ";
   mysqli_query($con,$sql12);
 }

 if(mysqli_affected_rows($con)==0){
   $sql13 = "UPDATE users SET text_cli3='$texto' WHERE ((l_origen='$l_origen' || l_origen2='$l_origen') AND l_destino='$l_destino' AND text_cli3='' AND role ='trad_app') LIMIT 1 ";
   mysqli_query($con,$sql13);
 }

 if(mysqli_affected_rows($con)==0){
   $sql14 = "UPDATE users SET text_cli4='$texto' WHERE ((l_origen='$l_origen' || l_origen2='$l_origen') AND l_destino='$l_destino' AND text_cli4='' AND role ='trad_app') LIMIT 1 ";
   mysqli_query($con,$sql14);
 }

 if(mysqli_affected_rows($con)==0){
   $sql15 = "UPDATE users SET text_cli5='$texto' WHERE ((l_origen='$l_origen' || l_origen2='$l_origen') AND l_destino='$l_destino' AND text_cli5='' AND role ='trad_app') LIMIT 1 ";
   mysqli_query($con,$sql15);
 }

 if(mysqli_affected_rows($con)==0){
   $sql16 = "UPDATE users SET text_cli6='$texto' WHERE ((l_origen='$l_origen' || l_origen2='$l_origen') AND l_destino='$l_destino' AND text_cli6='' AND role ='trad_app') LIMIT 1 ";
   mysqli_query($con,$sql16);
 }

 if(mysqli_affected_rows($con)==0){
   $sql17 = "UPDATE users SET text_cli7='$texto' WHERE ((l_origen='$l_origen' || l_origen2='$l_origen') AND l_destino='$l_destino' AND text_cli7='' AND role ='trad_app') LIMIT 1 ";
   mysqli_query($con,$sql17);
 }

 if(mysqli_affected_rows($con)==0){
   $sql18 = "UPDATE users SET text_cli8='$texto' WHERE ((l_origen='$l_origen' || l_origen2='$l_origen') AND l_destino='$l_destino' AND text_cli8='' AND role ='trad_app') LIMIT 1 ";
   mysqli_query($con,$sql18);
 }

 if(mysqli_affected_rows($con)==0){
   $sql19 = "UPDATE users SET text_cli9='$texto' WHERE ((l_origen='$l_origen' || l_origen2='$l_origen') AND l_destino='$l_destino' AND text_cli9='' AND role ='trad_app') LIMIT 1 ";
   mysqli_query($con,$sql19);
 }

 if(mysqli_affected_rows($con)==0){
   $sql20 = "UPDATE users SET text_cli10='$texto' WHERE ((l_origen='$l_origen' || l_origen2='$l_origen') AND l_destino='$l_destino' AND text_cli10='' AND role ='trad_app') LIMIT 1 ";
   mysqli_query($con,$sql20);
 }

}

 if($modificado=='Si'){
   $sql = "UPDATE users SET `text_cli`='$texto', `l_origen` = '$l_origen',  `precio` = '$precio', `l_destino` = '$l_destino', `num_pal` = '$num_pal'  WHERE text_cli = '$texto_ant' AND `role` = ''";
   mysqli_query($con,$sql);

   if(mysqli_affected_rows($con)==0){
    $sql = "UPDATE users SET `text_cli2`='$texto', `l_origen2` = '$l_origen', `precio2` = '$precio', `l_destino2` = '$l_destino', `num_pal2` = '$num_pal'  WHERE text_cli2 = '$texto_ant' AND `role` = ''";
    mysqli_query($con,$sql);
   }

   if(mysqli_affected_rows($con)==0){
    $sql = "UPDATE users SET `text_cli3`='$texto', `l_origen3` = '$l_origen', `precio3` = '$precio', `l_destino3` = '$l_destino', `num_pal3` = '$num_pal'  WHERE text_cli3 = '$texto_ant' AND `role` = ''";
    mysqli_query($con,$sql);
   }

   if(mysqli_affected_rows($con)==0){
    $sql = "UPDATE users SET `text_cli4`='$texto', `l_origen4` = '$l_origen', `precio4` = '$precio', `l_destino4` = '$l_destino', `num_pal4` = '$num_pal'  WHERE text_cli4 = '$texto_ant' AND `role` = ''";
    mysqli_query($con,$sql);
   }

   if(mysqli_affected_rows($con)==0){
    $sql = "UPDATE users SET `text_cli5`='$texto', `l_origen5` = '$l_origen', `precio5` = '$precio', `l_destino5` = '$l_destino', `num_pal5` = '$num_pal'  WHERE text_cli5 = '$texto_ant' AND `role` = ''";
    mysqli_query($con,$sql);
   }

   if(mysqli_affected_rows($con)==0){
    $sql = "UPDATE users SET `text_cli6`='$texto', `l_origen6` = '$l_origen', `precio6` = '$precio', `l_destino6` = '$l_destino', `num_pal6` = '$num_pal'  WHERE text_cli6 = '$texto_ant' AND `role` = ''";
    mysqli_query($con,$sql);
   }

   if(mysqli_affected_rows($con)==0){
    $sql = "UPDATE users SET `text_cli7`='$texto', `l_origen7` = '$l_origen', `precio7` = '$precio', `l_destino7` = '$l_destino', `num_pal7` = '$num_pal'  WHERE text_cli7 = '$texto_ant' AND `role` = ''";
    mysqli_query($con,$sql);
   }

   if(mysqli_affected_rows($con)==0){
    $sql = "UPDATE users SET `text_cli8`='$texto', `l_origen8` = '$l_origen', `precio8` = '$precio', `l_destino8` = '$l_destino', `num_pal8` = '$num_pal'  WHERE text_cli8 = '$texto_ant' AND `role` = ''";
    mysqli_query($con,$sql);
   }

   if(mysqli_affected_rows($con)==0){
    $sql = "UPDATE users SET `text_cli9`='$texto', `l_origen9` = '$l_origen', `precio9` = '$precio', `l_destino9` = '$l_destino', `num_pal9` = '$num_pal'  WHERE text_cli9 = '$texto_ant' AND `role` = ''";
    mysqli_query($con,$sql);
   }

   if(mysqli_affected_rows($con)==0){
    $sql = "UPDATE users SET `text_cli10`='$texto', `l_origen10` = '$l_origen', `precio10` = '$precio', `l_destino10` = '$l_destino', `num_pal10` = '$num_pal'  WHERE text_cli10 = '$texto_ant' AND `role` = ''";
    mysqli_query($con,$sql);
   }

 $sql = "UPDATE users SET text_cli='$texto' WHERE text_cli = '$texto_ant' AND `role` = 'trad_app' ";

 mysqli_query($con,$sql);

 if(mysqli_affected_rows($con)==0){
   $sql = "UPDATE users SET text_cli2='$texto' WHERE text_cli2 = '$texto_ant' AND `role` = 'trad_app' ";
   mysqli_query($con,$sql);
 }

  if(mysqli_affected_rows($con)==0){
   $sql = "UPDATE users SET text_cli3='$texto' WHERE text_cli3 = '$texto_ant' AND `role` = 'trad_app' ";
   mysqli_query($con,$sql);
 }

  if(mysqli_affected_rows($con)==0){
   $sql = "UPDATE users SET text_cli4='$texto' WHERE text_cli4 = '$texto_ant' AND `role` = 'trad_app' ";
   mysqli_query($con,$sql);
 }

  if(mysqli_affected_rows($con)==0){
   $sql = "UPDATE users SET text_cli5='$texto' WHERE text_cli5 = '$texto_ant' AND `role` = 'trad_app' ";
   mysqli_query($con,$sql);
 }

  if(mysqli_affected_rows($con)==0){
   $sql = "UPDATE users SET text_cli6='$texto' WHERE text_cli6 = '$texto_ant' AND `role` = 'trad_app' ";
   mysqli_query($con,$sql);
 }

  if(mysqli_affected_rows($con)==0){
   $sql = "UPDATE users SET text_cli7='$texto' WHERE text_cli7 = '$texto_ant' AND `role` = 'trad_app' ";
   mysqli_query($con,$sql);
 }

  if(mysqli_affected_rows($con)==0){
   $sql = "UPDATE users SET text_cli8='$texto' WHERE text_cli8 = '$texto_ant' AND `role` = 'trad_app' ";
   mysqli_query($con,$sql);
 }

  if(mysqli_affected_rows($con)==0){
   $sql = "UPDATE users SET text_cli9='$texto' WHERE text_cli9 = '$texto_ant' AND `role` = 'trad_app' ";
   mysqli_query($con,$sql);
 }

  if(mysqli_affected_rows($con)==0){
   $sql = "UPDATE users SET text_cli10='$texto' WHERE text_cli10 = '$texto_ant' AND `role` = 'trad_app' ";
   mysqli_query($con,$sql);
 }

 }

 mysqli_close($con);

  }

?>

<html>
 <head>
  <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE11">
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>Log in - Siens Translation</title>
  <link rel="icon" href="ordenador/ingles/css_imagenes/favicon.ico"  type="image/x-icon" />
  <link rel="shortcut icon" href="ordenador/ingles/css_imagenes/favicon.ico" type="image/x-icon" />
  <link href="ordenador/ingles/nuestra_firma_estilos.css" rel="stylesheet" type="text/css">
  <link href="ordenador/ingles/css/style4.css" rel="stylesheet" type="text/css">
  <link href="movil/castellano/menu/menu.css" rel="stylesheet" type="text/css">
  <link href="ordenador/ingles/css_resolutions/resolution800x600.css" rel="stylesheet" type="text/css">
  <link href="ordenador/ingles/css_resolutions/resolution1024x600.css" rel="stylesheet" type="text/css">
  <link href="ordenador/ingles/css_resolutions/resolution1366x768.css" rel="stylesheet" type="text/css"/>
  <link href="ordenador/ingles/css_resolutions/resolution1280x600.css" rel="stylesheet" type="text/css"/>
  <link href="ordenador/castellano/area_clientes/css/css_login.css" rel="stylesheet" type="text/css">
  <link href="movil/castellano/menu/fonts.css" rel="stylesheet" type="text/css">
 </head>
 <body>


<div class="menu_bar" style="font-family:'Gotham-Bold';">
<a class="bt-menu" style="font-size:600%; font-family:'Gotham-Bold'"><span     class="icon-menu"></span>Siens App<br><p  style="font-size:25%; font- family:'Gotham-Light';">From</p></a>
</div>

<div id="login">
  <div id="centrar_app">
  <form action="login_app.php" method="POST" style="margin:0px auto;display:table;">
    <label>
      <p style="font-size:600%">Log in </p><br><br><br>
    </label>
    <label>  
      <p style="font-size:400%">Username</p><br>
      <input style="padding-left:15px; border: 2px solid #475678; font-size:200%; height:100%" id="cuadro" name="login" type="text" value="<?php if(isset($_GET['user'])){ $user = $_GET['user']; echo $user; } ?>" />
    </label><br><br><br>
    <label>
      <p style="font-size:400%">Password</p><br>
      <input style="padding-left:15px; border: 2px solid #475678; font-size:200%; height:100%" id="cuadro" name="password" type="password" value="<?php if(isset($_GET['pass'])){ $pass = $_GET['pass']; echo $pass; } ?>" />
    </label><br><a style="color:white; text-decoration:underline" href="ordenador/castellano/area_clientes/forgotpass.php">Forgot password?</a><br><br>
    <label>
      <p>
        <input type="checkbox" name="remember_me" /> Remember me
      </p>
    </label><br>
    <div clear></div>
    <button id="login-button" style="font-size:400%;" 
            name="action_login">Access</button><br><br>
  </form>

  <style>
    input[type=text], input[type=password]{
      width: 230px;
    }
  </style>

  <button id="login-button" style="font-size:400%"  
            onclick="location.href='';">Register</button><br><br>
    <div id="thawteseal" style="text-align:center;" title="Click to Verify - This site chose Thawte SSL for secure e-commerce and confidential communications.">
    <div><script type="text/javascript" src="https://seal.thawte.com/getthawteseal?host_name=&amp;size=S&amp;lang=en"></script></div>
    </div>
  </div>
</div>

<div id="login">
   <div id="centrar_app">
  <a onMouseOver="this.style.color='white'">If you can't access our payment zone Gateway, you need to deactivate "Block Cookies" in your iPhone configuration settings.</a>
</div>
</div>

<div style="margin-top:10rem" align="center">
<img style="width: 20%; height: 20%" src="">
</div>

最佳答案

您的服务器根本不需要“重新连接”到设备/客户端，POST 不是即发即弃。客户端与服务器建立连接，发送请求并等待服务器的响应。

您的服务器有机会完全按照您的意愿行事。它可以简单地回复你想要的 - 结果将是 response 的一部分或 data在 sendAsynchronousRequest 的回调中.现在你的 php 代码没有打印任何东西，但是尝试 echo东西，在 swift 回调中设置一个断点并检查回调对象包含的内容以及它们与您的内容的关系 echo在服务器上编辑。

关于ios - 发布请求后发回响应，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/41891556/

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