PHP获取radio值，并用作参数查询数据库，同一页面显示
/***************************by garcon1986************************************/
<?php
error_reporting(E_ALL ^ E_NOTICE);
//create database test
//create table php_radio(id int(10) NOT NULL AUTO_INCREMENT, name varchar(100), description varchar(1000), primary key(id));
//insert php_radio values(1, 'eat','you have eaten ...');
//insert php_radio values(2, 'drink', 'you have drank ...');
//insert php_radio values(3, 'sleep', 'you have sleep ...');
echo "<html><head></head>";
echo "<body>";
echo "<form action='use_radio.php' method='GET'>";
echo "<input type='radio' name='radio' value='eat'>Eat</input>";
echo "<input type='radio' name='radio' value='drink'>Drink</input>";
echo "<input type='radio' name='radio' value='sleep'>Sleep</input>";
echo "<input type='submit' name='search_radio' value='Button' />";
echo "</form>";
$radio_name = $_GET['radio'];
//echo $radio_name;
mysql_connect("localhost","charles","charles");
mysql_select_db("test");
$query = 'select * from php_radio where name = "'.$radio_name.'"';
//echo $query;
$result = mysql_query($query) or die("query error: ".mysql_error());
while($aa = mysql_fetch_assoc($result)){
echo $aa['id']." ";
echo $aa['name']." ";
echo $aa['description']."<br>";
}
//mysql_free_result($result);
echo "</body>";
echo "</html>"
?>
相关文档：
转载自：http://www.gracecode.com/archives/3013/
作者：手气不错
真的是不用不知道，其实我们熟悉的 PHP 还有很多好东西没有发掘。看到这篇文章
，当时就泪奔了好几回，重点推荐下，顺便我自己也做个整理。
sys_getloadavg()
这个函数
返回当前系统的负载均值信息
（当然 Windows 下不适用），详细文档可以翻阅 PH ......
/***************************by
garcon1986********************************/
<?php
// -> 是指对象的方法或者属性
class Cart{
public function add_item($a,$b){
echo $a+$b.'<br>';
}
}
//$cart = new Cart; 两句意义相同
$cart = new Cart();
$cart->add_item("10", 1);
// =& ......
/***************************by
garcon1986********************************/
<?php
//example1
$makefoo = true;
bar();
if($makefoo){
function foo(){
echo "doesn't exist.<br>";
}
}
if($makefoo)foo();
function bar(){
echo "exist<br>";
}
//example2
funct ......
/***************************by
garcon1986********************************/
<?php
// boolean integer float example
$action = false;
if($action == "show version"){
echo "the version is 123".'<br>';
}else if($action == false){
echo "action is false".'< ......
