$shoesPrice = 49; //鞋子单价
$shoesNum = 1; //鞋子数量
$shoesMoney=$shoesPrice*$shoesNum;
$shirtPrice = 99; //衬衣单价
$shirtNum = 2; //衬衣数量
$shirtMoney=$shirtPrice*$shirtNum;
$orderMoney=$shoesMoney+$shirtMoney;
echo $orderMoney ;
echo "<br/>";
echo "应该交税为:" .($tax=$orderMoney*0.1)."";
$shoesNum = 1; //鞋子数量
$shoesMoney=$shoesPrice*$shoesNum;
$shirtPrice = 99; //衬衣单价
$shirtNum = 2; //衬衣数量
$shirtMoney=$shirtPrice*$shirtNum;
$orderMoney=$shoesMoney+$shirtMoney;
echo $orderMoney ;
echo "<br/>";
echo "应该交税为:" .($tax=$orderMoney*0.1)."";
2016-08-17
<?php
$a = "张先生,";
$tip=$a."这是您的狗牌。";
$b = "谢谢,您这还有狗粮吗?";
$b.="单身狗粮?";
$c = "也行,我想吃流浪狗粮。";
$c=$c."稍等,我给您找找。";
echo $tip."<br />";
echo $b."<br />";
echo $c."<br />";
?>
$a = "张先生,";
$tip=$a."这是您的狗牌。";
$b = "谢谢,您这还有狗粮吗?";
$b.="单身狗粮?";
$c = "也行,我想吃流浪狗粮。";
$c=$c."稍等,我给您找找。";
echo $tip."<br />";
echo $b."<br />";
echo $c."<br />";
?>
2016-08-17
出错了,错误原因是:mysql_connect(): No such file or directory
老师你又骗我!(╰_╯)#
老师你又骗我!(╰_╯)#
2016-08-17
没看懂第二个的我可以简单的提示一下:首先定义了一个变量p,它的值为PII,然后用define定义了常量,“define($p,3.14);”这段代码的意思其实就是把3.14赋值给了变量P,而变量P的内容为PII,所以在最后输出echo PII;的值时也就是输出的变量p的值3.14
2016-08-17