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HomeBackend DevelopmentPHP Tutorial curl可不可以下载115的资源

curl能否下载115的资源
1个300MB的资源,用迅雷下载(非115VIP),已经设置了原始线程1,但是平均速度只有10几KB,下到60%之时就提示错误。分析了一下URL地址规律,发现URL里的 &t=1368261625 是一个变量,估计115根据这个时间来处理下载过期事务。
 
用 Ultraediter 打开.td.cfg,修改了里面的&t=1368261625为当前时间,重新启动迅雷,发现文件被重新下载了(之前的60%木有了)。不知道如何修改迅雷,才可以使得修改了下载URL后可以继续前面的下载。(迅雷应该还有一个文件参数对比的方法,但是没有找到)

于是想到了用php curl下载115的资源(PHP可以任意修改URL地址),但是PHP的默认超时为30秒,如果set_time_limit(0);的话,如何判别115的资源地址已经失效,即这个PHP文件已经运行完毕?
打算用.bat文件,或者直接命令提示符DOS运行该php脚本。

问题:
1.用curl断点保存文件,会不会在第二次下载时,又重新从0%开始?
2.如果问题1可行的话,如果如何写代码,可以在一个长连接后,获知该PHP文件已经运行完毕?(这样重新运行.bat或者DOS进行断点下载)

PS:网上只有115上传类的代码,木有下载类的代码,大虾们帮忙挑战一下,可能的话,就是原创+精华帖,可以拿到CSDN博客里。

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