专注于互联网--专注于架构

验证码程序:简单的验证码程序

主共 3个 我方式 <script language=\"javascript\" src=\"/very/num.asp\"></script> 验证方式 trim(Loginnum)<>trim(session(\"Loginnum\")) then Response.Write Error(\"验证码！\") Response.End end num.asp <% \'### To encrypt/decrypt [阅读全文] [PDF]

验证码原理:验证码的程序及原理

a(1,4) = \"0x18\"a(1,5) = \"0x18\"a(1,6) = \"0x18\"a(1,7) = \"0x18\"a(1,8) = \"0x18\"a(1,9) = \"0x18\"a(0,10)= \"0x7e\"a(2,1) = \"0x3c\" \'数字2a(2,2) = \"0x66\"a(2,3) = \"0x60\"a(2,4) = \"0x60\"a(2,5) = \"0x30\"a(2,6) = \"0x18\"a(2,7) [阅读全文] [PDF]