楼(lóu )上(shàng )说(shuō )的很(hěn )多(duō ),我补充(chōng )一下,正确的应该叫网络蜘蛛(zhū ),又(yòu )称爬(pá )虫,本质是搜(sōu )索(suǒ )引擎(qíng )派出(chū )的一个(gè )执行抓取任(rèn )务的程(chéng )序蜘(zhī )蛛池的本质(zhì )是大量(liàng )的网站互相链接(jiē ),每个(gè )站单独产生大(dà )量的内容(róng )吸引(yǐn )蜘(zhī )蛛来(lái )爬(pá ),几千个网(wǎng )站互链时,可(kě )以想(xiǎng )象(xiàng )蜘蛛的链接
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