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ajax POST上的错误XML

codeigniter ajax xml jquery php

Alessandro Minoccheri · 技术社区 · 13 年前

嗨,我有一个用codeigniter开发的stie,我想通过ajax调用发送一个xml。 xml来自另一个服务器。在我看来,这就是ajax

            xmlDoc.loadXML(xmlfromserver);

            $(function(){
                 $.ajax({
                  type: "POST",
                  url: "<?php echo site_url('/backend/provider/all_country_request'); ?>",
                  data: "xml"+xmlDoc.xml,
                  async: false,
                  contentType: "text/xml",
                  dataType: "text",
                  success: function(msg)
                  {
                    alert(msg);
                  },
                  error: function()
                  {
                    alert("error");
                  }
                });
            });

这是我的控制器:

public function all_country_request(){
        if ($this->User_model->isLoggedIn()){
            $this->Travco_model->all_country_request();
        }
        else{
            redirect('/backend/user/home/');
        }
    }

这是我的简单模型:

function all_country_request(){
         $xml_str = $_POST['xml'];
         $xml = new SimpleXMLElement($xml_str);
         foreach ($xml->DATA as $entry){            
            $data = array(
              'currency_code_travco'=>$entry->attributes()->CURRENCY_CODE,
              'currency_name'=>$entry->CURRENCY_NAME,
              'created'=>date('Y-m-d H:i:s'),
              'modified'=>date('Y-m-d H:i:s'),
         );
         $this->db->insert('currency_travco',$data);
            echo '<br>';
         } 
         
    }

这是我的XML:

<?xml version="1.0" standalone="yes"?>
<RETURNDATA lang="it-IT" type="COR" xsi:noNamespaceSchemaLocation="http://xmlv5test.travco.co.uk/trlink/schema/CountryRequestV6Rcv.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<MESSAGE>All Countries details and relevant city details</MESSAGE>
<DATA COUNTRY_CODE="ABW" CURRENCY_CODE="EUR">
    <COUNTRY_NAME>Aruba</COUNTRY_NAME>
    <CURRENCY_NAME>euro</CURRENCY_NAME>
</DATA>

返回给我的错误在所附的图像中 enter image description here

问题出在哪里?

2 回复 | 直到 5 年前

hakre 13 年前

PHP脚本的任何类型的输入都需要在继续之前进行正确的验证。

在您的情况下,一个更详细的变体能够看起来像这样:

try {
    if (!isset($_POST['xml'])) {
        throw new Exception('Missing Parameter Attribute "xml"');
    }
    $mode = libxml_use_internal_errors(true);
    $xml = new SimpleXMLElement($_POST['xml']);
} catch (Exception $e) {        
    $code   = 400;
    $phrase = 'Bad Request';
    header(sprintf('HTTP/ %d %s', $code, $phrase), true, $code);

    $response                 = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><response/>');
    $response->status->phrase = $phrase;
    $response->status->code   = $code;
    $response->message = $e->getMessage();
    if ($errors = libxml_get_errors()) {
        $responseErrors = $response->addChild('errors');
        foreach($errors as $error) {
            $responseError = $responseErrors->addChild('error');
            foreach($error as $name => $value) {
                $value && $responseError->$name = rtrim($value);
            }
        }
    }
    header('Content-Type: application/my-app-response-bucket+xml; charset=utf-8');
    $response->asXML('php://STDOUT');
    return;
}


foreach ($xml->DATA as $entry) {
    $data = array(
        'currency_code_travco' => $entry->attributes()->CURRENCY_CODE,
        'currency_name'        => $entry->CURRENCY_NAME,
        'created'              => date('Y-m-d H:i:s'),
        'modified'             => date('Y-m-d H:i:s'),
    );
    $this->db->insert('currency_travco', $data);
    echo '<br>';
}

...

对于为丢失或无效数据的请求提供服务的错误情况( 错误的请求 )则返回适当的响应。它甚至有一个由XML突出显示错误组成的响应体,例如缺少数据:

<?xml version="1.0" encoding="UTF-8"?>
<response>
  <status>
    <phrase>Bad Request</phrase>
    <code>400</code>
  </status>
  <message>Missing Parameter Attribute "xml"</message>
</response>

或者在XML格式不正确的情况下( <?xml ?><fa ke></fa>blurb )提供:

<?xml version="1.0" encoding="UTF-8"?>
<response>
  <status>
    <phrase>Bad Request</phrase>
    <code>400</code>
  </status>
  <message>String could not be parsed as XML</message>
  <errors>
    <error>
      <level>3</level>
      <code>96</code>
      <column>6</column>
      <message>Malformed declaration expecting version</message>
      <line>1</line>
    </error>
  </errors>
  <errors>
    <error>
      <level>3</level>
      <code>41</code>
      <column>13</column>
      <message>Specification mandate value for attribute ke</message>
      <line>1</line>
    </error>
  </errors>
  <errors>
    <error>
      <level>3</level>
      <code>5</code>
      <column>16</column>
      <message>Extra content at the end of the document</message>
      <line>1</line>
    </error>
  </errors>
</response>

Ahmed Atta 13 年前

将xml文档作为数据发送到服务器。必须设置 处理数据 选项 虚假的 ,阻止了数据到字符串的自动转换。例如:

$.ajax({
  url: "page.php",
  processData: false,
  data: xmlDocument
});

祝你好运