PHP curl 模拟登陆 获取cookie求助
菜鸟学习使用PHP curl模拟登陆，等陆weiphon论坛时用以下代码成功，登陆www.xiaomi.com就死活成功不了，求助啊。窃以为是cookie获取有问题。麻烦牛人帮忙解决一下。苦思无所得夜不能寐啊！
<?php
$cookie_file=tempnam('./temp','cookie');
$login_url='https://account.xiaomi.com/pass/serviceLoginAuth';
$post ='user&pwd=&sid=eshop&callback=http%3A%2F%2Forder.xiaomi.com%2Flogin%2Fcallback%3Ffollowup%3Dhttp%253A%252F%252Fwww.xiaomi.com%252F%26sign%3DMjk4NmVlYzNiOWY5YTkwMjExNzg5MjkyNzE3ZmIxOGM4YTBiMDk1Mg%2C%2C&_sign=f%2FKB8SAfmaLZ0s28kcLtBSmZlEM%3D&_json=true'//避免不必要的麻烦 post的具体帐号密码去掉了
$ch=$curl=curl_init($login_url);
curl_setopt($ch,CURLOPT_HEADER,0);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,0);
curl_setopt($ch,CURLOPT_POST,1);
curl_setopt($ch,CURLOPT_COOKIEJAR,$cookie_file);
curl_setopt($ch,CURLOPT_POSTFIELDS,$post);
curl_exec($ch);
curl_close($ch);
$url="http://www.xiaomi.com/index.php";
$ch=curl_init($url);
curl_setopt($ch,CURLOPT_HEADER,0);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,0);
curl_setopt($ch,CURLOPT_COOKIEFILE,$cookie_file);
$contents=curl_exec($ch);
curl_close($ch);
?>
<form method="post" action="/pass/serviceLoginAuth2" id="loginForm" onsubmit="return validate_form()">
<input type="hidden" name="passToken" id="passToken" value="" />
<div class="input-field clearfix" id="loginId">
<input type="text" id="user_ph" class="input_kuang item errortip" value="邮箱/手机号码/小米ID" style="color:#999;display:none;"/>
<input type="text" name="user" value="" id="user" class="input_kuang item errortip" placeholder="邮箱/手机号码/小米ID" isRequired="true" rule="(^[\w.\-]+@(?:[a-z0-9]+(?:-[a-z0-9]+)*\.)+[a-z]{2,6}$)
[解决办法]
(^1[3
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4
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5
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8]\d{9}$)
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(^\d{3,}$)
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(^\++\d{2,}$)" autocomplete="off"/>
<span class="littlepop"><!-- 错误提示小气泡 -->
<span class="popmessage error_tip">
<span class="error_icontwo"></span><span id="errorTip">帐户名错误</span>
</span>
<span class="popmessage empty_tip">
<span class="error_icontwo"></span><span>请输入帐户名</span>
</span>
<i class="little_corner"></i>
</span>
</div>
<div class="input-field clearfix" id="loginPass">
<input type="text" id="pwd_ph" value="密码" class="input_kuang item errortip" style="color:#999;display:none;"/>
<input type="password" name="pwd" class="input_kuang item errortip" id="pwd" placeholder="密码" isRequired="true" autocomplete="off"/><!-- error_put为出现错误时的黄框 -->
<span class="littlepop">
<span class="popmessage empty_tip">
<span class="error_icontwo"></span><span>请输入密码</span>
</span>
<i class="little_corner"></i>
</span>
<input type="hidden" name="callback" value="https://account.xiaomi.com">
<input type="hidden" name="sid" value="passport">
<input type="hidden" id="qs" name="qs" value="%3Fsid%3Dpassport"/>
<input type="hidden" name="hidden" value="">
<input type="hidden" name="_sign" value="KKkRvCpZoDC+gLdeyOsdMhwV0Xg=">
</div>
<div class="cooke">
<label for="auto"><input type="checkbox" id="auto" name="auto" value="true" class="Mradio val_mT" /><span class="val_m">两周内自动登录</span></label>
</div>
<div class="sub_log clearfix">
<div class="sub_login flt_l"><input type="submit" class="no_bg" value="登录"/></div>
<a href="/pass/forgetPassword">忘记密码?</a>
</div>
</form>
