<!--显示图书列表-->
<html>
<head>
<title>图书列表</title>
</head>
<?php
$books_array=array(
array( "name"=>"我的2005",
"price"=>20.00,
"author"=>"wang" ),
array("name"=>"家庭烹饪技术",
"price"=>18.23,
"author"=>"zhang"),
array("name"=>"西方哲学史",
"price"=>34.99,
"author"=>"zhou"),
array("name"=>"三侠武艺",
"price"=>11.45,
"author"=>"wu"),
array("name"=>"象棋23式",
"price"=>22.50,
"author"=>"bao"),
)
//compare_name
function compare_name($array1,$array2){
return strcmp($array1[name],$array2[name]);
}
//compare_price
function compare_price($array1,$array2){
return ($array1[price]-$array2[price]);
}
//compare_author
function compare_author($array1,$array2){
return strcmp($array1[author],$array2[author]);
}//在页面上显示图书列表
function show_books(&$books_array){
if(count($books_array)){
foreach($books_array as $key=>$value){
echo "<tr><td>$key</td><td>书名:$value[name]</td></tr>";
echo "<tr><td></td><td>价格:$value[price]</td></tr>";
echo "<tr><td></td><td>作者:$value[author]</td></tr>";
}//foreach,遍历数组
}//if
}//show_books
?>
<body>
<? php
echo "<h2>本书房共有".count($books_array)."本</h2>";
//按照所选择的顺利显示
switch($_post["by_what"]){
case "by_price";
echo "按价格排序";break;
case "by_name";
echo "按书名排序";break;
case "by_author";
echo "按作者排序";break;
}
?>
<table width="600" border=1>
<tr>
<td width="10%">序号</td>
<td width="90%">图书信息</td>
</tr>
<?php
switch($_post["by_what"]){
case "by_price";
usort($books_array,"compares_price");break;
case "by_author";
usort($books_array,"compares_author");break;
case "by_name";
usort($books_array,"compares_name");break;
}
show_books($books_array);
?>
<table>
<form action="?php echo $php_self;?" method="post">
请选择排序方式:
<select name="by_what">
<option disable>请选择……</option>
<option value="by_price">按价格排序</option>
<option value="by_author">按作者排序</option>
<option value="by_name">按书名排序</option>
</select>
<input type="submit" name="ok" value="显示">
</form>
</table>
</body>
</html>这段程序是我从书上抄下来的,但是运行的时候老是提示我第一个FUNCTION 那句有错,但是找不到错在什么地方啊?
帮帮忙,谢谢
<html>
<head>
<title>图书列表</title>
</head>
<?php
$books_array=array(
array( "name"=>"我的2005",
"price"=>20.00,
"author"=>"wang" ),
array("name"=>"家庭烹饪技术",
"price"=>18.23,
"author"=>"zhang"),
array("name"=>"西方哲学史",
"price"=>34.99,
"author"=>"zhou"),
array("name"=>"三侠武艺",
"price"=>11.45,
"author"=>"wu"),
array("name"=>"象棋23式",
"price"=>22.50,
"author"=>"bao"),
)
//compare_name
function compare_name($array1,$array2){
return strcmp($array1[name],$array2[name]);
}
//compare_price
function compare_price($array1,$array2){
return ($array1[price]-$array2[price]);
}
//compare_author
function compare_author($array1,$array2){
return strcmp($array1[author],$array2[author]);
}//在页面上显示图书列表
function show_books(&$books_array){
if(count($books_array)){
foreach($books_array as $key=>$value){
echo "<tr><td>$key</td><td>书名:$value[name]</td></tr>";
echo "<tr><td></td><td>价格:$value[price]</td></tr>";
echo "<tr><td></td><td>作者:$value[author]</td></tr>";
}//foreach,遍历数组
}//if
}//show_books
?>
<body>
<? php
echo "<h2>本书房共有".count($books_array)."本</h2>";
//按照所选择的顺利显示
switch($_post["by_what"]){
case "by_price";
echo "按价格排序";break;
case "by_name";
echo "按书名排序";break;
case "by_author";
echo "按作者排序";break;
}
?>
<table width="600" border=1>
<tr>
<td width="10%">序号</td>
<td width="90%">图书信息</td>
</tr>
<?php
switch($_post["by_what"]){
case "by_price";
usort($books_array,"compares_price");break;
case "by_author";
usort($books_array,"compares_author");break;
case "by_name";
usort($books_array,"compares_name");break;
}
show_books($books_array);
?>
<table>
<form action="?php echo $php_self;?" method="post">
请选择排序方式:
<select name="by_what">
<option disable>请选择……</option>
<option value="by_price">按价格排序</option>
<option value="by_author">按作者排序</option>
<option value="by_name">按书名排序</option>
</select>
<input type="submit" name="ok" value="显示">
</form>
</table>
</body>
</html>这段程序是我从书上抄下来的,但是运行的时候老是提示我第一个FUNCTION 那句有错,但是找不到错在什么地方啊?
帮帮忙,谢谢
<head>
<title>图书列表</title>
</head>
<?php
$books_array=array(
array( "name"=>"我的2005",
"price"=>20.00,
"author"=>"wang" ),
array("name"=>"家庭烹饪技术",
"price"=>18.23,
"author"=>"zhang"),
array("name"=>"西方哲学史",
"price"=>34.99,
"author"=>"zhou"),
array("name"=>"三侠武艺",
"price"=>11.45,
"author"=>"wu"),
array("name"=>"象棋23式",
"price"=>22.50,
"author"=>"bao"),
);
//compare_name
function compare_name($array1,$array2){
return strcmp($array1[name],$array2[name]);
}
//compare_price
function compare_price($array1,$array2){
return ($array1[price]-$array2[price]);
}
//compare_author
function compare_author($array1,$array2){
return strcmp($array1[author],$array2[author]);
}//在页面上显示图书列表
function show_books(&$books_array){
if(count($books_array)){
foreach($books_array as $key=>$value){
echo "<tr><td>$key</td><td>书名:$value[name]</td></tr>";
echo "<tr><td></td><td>价格:$value[price]</td></tr>";
echo "<tr><td></td><td>作者:$value[author]</td></tr>";
}//foreach,遍历数组
}//if
}//show_books
?>
<body>
<?php
echo "<h2>本书房共有".count($books_array)."本</h2>";
//按照所选择的顺利显示
switch($_post["by_what"]){
case "by_price";
echo "按价格排序";break;
case "by_name";
echo "按书名排序";break;
case "by_author";
echo "按作者排序";break;
}
?>
<table width="600" border=1>
<tr>
<td width="10%">序号</td>
<td width="90%">图书信息</td>
</tr>
<?php
switch($_post["by_what"]){
case "by_price";
usort($books_array,"compares_price");break;
case "by_author";
usort($books_array,"compares_author");break;
case "by_name";
usort($books_array,"compares_name");break;
}
show_books($books_array);
?>
<table>
<form action="?php echo $php_self;?" method="post">
请选择排序方式:
<select name="by_what">
<option disable>请选择……</option>
<option value="by_price">按价格排序</option>
<option value="by_author">按作者排序</option>
<option value="by_name">按书名排序</option>
</select>
<input type="submit" name="ok" value="显示">
</form>
</table>
</body>
</html>