array(5) { [0]=> string(58) "计算机网络--英文第三版课件\Computer Networking" [1]=> string(43) " A Top-Down Approach Featuring the Internet" [2]=> string(16) " 3rd Edition.pdf" [3]=> string(8) " 9858802" [4]=> string(21) " 2007-08-01 11:20:4 " }