摘要: http://de77.com/php/how-to-detect-visitors-country-using-his-ip-address关键知识点:1,IP地址转换成10进制计算公式 1.2.3.4 = 4 + (3 * 256) + (2 * 256 * 256) + (1 * 256 * 256 * 256) 14.155.114.41 =41 + (114 * 256) + (155 * 256 * 256) + (14 * 256 * 256 * 256) =245068329 也可直接通过http://whatismyipaddress.com/ip/14.155.114.41 阅读全文
posted @ 2012-07-05 10:18 Season2009 阅读(209) 评论(0) 推荐(0) 编辑