日期: 2011/11/22 14:10:02 点击: 标签:php
涉及 echo if switch 等简单知识。
<?php
/*
* Created on 2011-11-21
*
* To change the template for this generated file go to
* Window - Preferences - PHPeclipse - PHP - Code Templates
*
*/
echo 1 || 0;
echo "</br>";
echo 0 || 0;
echo "--------------------------------------------------";
echo "</br>";
echo 1 && 0;
echo "--------------------------------------------------";
echo "</br>";
$a=6;
++$a;
echo $a;
echo "--------------------------------------------------";
echo "</br>";
echo $a++;
echo "--------------------------------------------------";
echo "</br>";
echo ++$a;
echo "--------------------------------------------------";
echo "</br>";
echo "--------------------------------------------------";
echo "</br>";
if ($a==9)
{
echo "等于正确";
}
else
{
echo "等于错误";
}
echo "</br>";
echo "--------------------------------------------------";
echo "</br>";
switch($a)
{
case 0;
echo "=0";
break;
case 9;
echo "my god!";
break;
case 8;
echo "shit!";
break;
default;
echo "sssss";
}
?>
<?
// break n 语句的调用,循环教程开始/
// do ...while 循环
// for 循环.
//break; 跳出一层循环
//break n; 跳出N条循环
/*
*
*do{...
}while(expr) 先执行一次循环再判断条件
*
*while(expr){
.....
} 先判断条件再执行一次循环
*
*
*/
$a=0;
do{
echo "循环1";
echo "</br>";
++$a;
}while($a>4);
while($a>4){
echo "循环2";
++$a;
}
/*
* for($i = 1; $i <= 10; $i++)
*
*
* */
echo "for yuju --------------------------------------</br>";
for ($a=1; $a<=10; $a++)
{
if ($a==8)
break;
echo "for循环".$a."</br>";
}
?>