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我需要使用for循环来下载网站结果来编译它们。CURL请求下载结果
(请注意,这是一个ASP请求,这显示这些参数的网页)
我用卷曲的要求写了下面的代码,让我这个(我需要提交表单):
<?php
for ($i=10; $i<500; $i++) {
$m = $i*10;
$url = 'http://sanskritischool.com/ProgramFiles/ProgressReport/Report/2012-2013/REPORTCARD_XI_XIII.aspx?';
$fields = array(
'ClassId' => 334,
'TermId' => 95,
'StudentId' => $m,
'SelectValue' => 1,
'strTerm' => urlencode('SECOND TERM'),
'SelectType' => urlencode('Academic '),
'ClassName' => urlencode('XI(A)')
);
//url-ify the data for POST
foreach($fields as $key=>$value) { $fields_string .= $key.'='.$value.'&'; }
rtrim($fields_string, '&');
echo $fields_string;
//CURL POST
$ch = curl_init();
curl_setopt($ch,CURLOPT_URL, $url);
curl_setopt($ch,CURLOPT_POST, count($fields));
curl_setopt($ch,CURLOPT_POSTFIELDS, $fields_string);
$result = curl_exec($ch);
curl_close($ch);
//Reset string
$fields_string='';
}
?>
虽然循环运行,它会返回所有错误的错误(Object reference not set to an instance of an object
)
如何成功运行此循环并获得结果?
对不起,如果我问一个天真的问题,我只有16岁,我是PHP新手。如果你能帮忙,我会很高兴!