一个非常实用的带验证码的模拟登陆实例

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/**

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*
模拟登录

03

*
Designbymaben

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*
www.maben.com.cn

05

*/

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//初始化变量

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$cookie_file

=

"tmp.cookie"

;

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$login_url

=

"http://xxx.com/logon.php"

;

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$verify_code_url

=

"http://xxx.com/verifyCode.php"

;

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echo

"正在获取COOKIE...\n"

;

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$curlj

=
curl_init();

14

$timeout

=
5;

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curl_setopt(

$curl

,
CURLOPT_URL,

$login_url

);

16

curl_setopt(

$curl

,
CURLOPT_RETURNTRANSFER,1);

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curl_setopt(

$curl

,
CURLOPT_CONNECTTIMEOUT,

$timeout

);

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curl_setopt(

$curl

,CURLOPT_COOKIEJAR,

$cookie_file

);

//获取COOKIE并存储

19

$contents

=
curl_exec(

$curl

);

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curl_close(

$curl

);

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echo

"COOKIE获取完成，正在取验证码...\n"

;

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//取出验证码

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$curl

=
curl_init();

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curl_setopt(

$curl

,
CURLOPT_URL,

$verify_code_url

);

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curl_setopt(

$curl

,
CURLOPT_COOKIEFILE,

$cookie_file

);

27

curl_setopt(

$curl

,
CURLOPT_HEADER,0);

28

curl_setopt(

$curl

,
CURLOPT_RETURNTRANSFER,1);

29

$img

=
curl_exec(

$curl

);

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curl_close(

$curl

);

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$fp

=

fopen

(

"verifyCode.jpg"

,

"w"

);

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fwrite(

$fp

,

$img

);

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fclose(

$fp

);

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echo

"验证码取出完成，正在休眠，20秒内请把验证码填入code.txt并保存\n"

;

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//停止运行20秒

37

sleep(20);

38

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echo

"休眠完成，开始取验证码...\n"

;

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$code

=

file_get_contents

(

"code.txt"

);

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echo

"验证码成功取出：$code\n"

;

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echo

"正在准备模拟登录...\n"

;

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$post

=

"username=maben&pwd=hahahaha&verifycode=$code"

;

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$curl

=
curl_init();

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curl_setopt(

$curl

,
CURLOPT_URL,

$url

);

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curl_setopt(

$curl

,
CURLOPT_HEADER,false);

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curl_setopt(

$curl

,
CURLOPT_RETURNTRANSFER,1);

49

curl_setopt(

$curl

,
CURLOPT_POSTFIELDS,

$post

);

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curl_setopt(

$curl

,
CURLOPT_COOKIEFILE,

$cookie_file

);

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$result

=curl_exec(

$curl

);

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curl_close(

$curl

);

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//这一块根据自己抓包获取到的网站上的数据来做判断

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if

(substr_count(

$result

,

"登录成功"

)){

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echo

"登录成功\n"

;

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}

else

{

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echo

"登录失败\n"

;

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exit

;

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}

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//啦啦啦，开始做你想做的事吧。。。。。