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我無法將值發佈到字段並處理進一步的步驟來下載文件。任何人都可以提出我要去哪裏?登錄後通過php curl程序處理網頁
extract($_POST);
$url=header("Location: http://gis.lntecc.com/bwssblnt/Scada.aspx? field1=Kathriguppe%2cSW2DM0402%2c235505H073%2c450");
$fields =array(
"TextBoxFromDate" => urlencode("2014-10-01"),
"TextBoxToDate" => urlencode("2014-10-09")
);
foreach($fields as $key => $value)
$fields_string .= $key.'='.$value.'&';
rtrim($fields, '&');
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, count($fields));
curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($ch);
echo $result;
curl_close($ch);
我在哪裏犯了錯誤,因爲我無法將值發佈到現場?