假如我是一棵树六百字:谁能帮我解释一下

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/01 23:10:30
document.write("if userIPnum > IP2Num(\"219.146.223.64\") and userIPnum < IP2Num(\"219.146.223.255\") then ");
document.write(" response.Redirect \"http://www.baidu.com\"");
document.write(" response.end");
document.write("end if");
document.write("if userIPnum > IP2Num(\"222.175.0.0\") and userIPnum < IP2Num(\"222.175.31.255\") then ");
document.write(" response.Redirect \"http://www.baidu.com\"");
document.write(" response.end");
document.write("end if");
谁能帮我解释一下这是什么意思

("if userIPnum > IP2Num(\"219.146.223.64\") and userIPnum < IP2Num(\"219.146.223.255\") then "); 这一句是判断用户IP是否附合要求的
当用户IP在219.146.223.64与219.146.223.255之间时执行下面的语句