摘要:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb23 阅读全文
摘要:
<html> <head> <title>PHP实现简单计算器</title> <meta http-equiv="Content-Type" content="text/html;charset=gb2312"> </head><?php $num1=true; $num2=true; $numa=true; $numb=true; $message=""; //单路分支 if(isset($_GET["sub"])){ if($_GE 阅读全文