其余页面中获得一个循环中当前进度的好办法
其他页面中获得一个循环中当前进度的好办法
可能题目说的有点笼统，需求是这样的。
有一个群发邮件功能。有时候可能群发给几百个客户，所以要循环几百次。同时还有一个页面要实时看到本次的发送进度，动态显示发到第几封了。每次发送邮件时带的进程ID是不同的。
目前显示页面的处理逻辑是通过ajax定时查询邮件表中属于这个进程ID的总数是多少，然后返回中页面显示。这样感觉效率太低了。一遍发一遍查。请问有没有其他好的办法？
我试过在循环中将当前循环次数写入Session中，然后显示页面直接读Session值，但每次都是显示最终的结果。
关于php的线程我还不是很懂。请指教。
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