楼上(shàng )说(shuō )的很多,我补充一(yī )下,正确的应该叫网(wǎng )络蜘蛛,又(yòu )称(chēng )爬虫(chóng ),本质是(shì )搜索引(yǐn )擎派出的一个执行抓(zhuā )取(qǔ )任务的程序(xù )蜘蛛池的本(běn )质是大量的网(wǎng )站(zhàn )互相链接,每个(gè )站单(dān )独产生(shēng )大量(liàng )的内(nèi )容吸(xī )引蜘蛛(zhū )来(lái )爬(pá ),几千个网站(zhàn )互链时,可以(yǐ )想象蜘(zhī )蛛的(de )链接(jiē )
Copyright © 2008-2018