楼上说的很(hěn )多,我(wǒ )补(bǔ )充(chōng )一下,正确的应该叫(jiào )网(wǎng )络(luò )蜘蛛,又称爬(pá )虫(chóng ),本质是(shì )搜索引(yǐn )擎派出(chū )的一个执行抓取任务(wù )的程序蜘蛛池(chí )的本(běn )质(zhì )是(shì )大量的网(wǎng )站互相链接,每(měi )个站单(dān )独(dú )产生大量的内容吸(xī )引(yǐn )蜘蛛(zhū )来爬,几千个(gè )网站互链(liàn )时(shí ),可以想(xiǎng )象蜘蛛的链接(jiē )
Copyright © 2008-2018