在这个网站上，我发现了很多很酷的PHP OOP示例。 也许你知道在哪里找到完整的例子？ 留言簿，报名表，博客......
当我看完整个模型时，更容易理解OOP PHP。 当不同的类相互交互时，交换数据 如何使用泛型类将数据发送到数据库
由于
答案 0 :(得分：6)
以下是示例代码：
class.php
class Database{
/*
* Create variables for credentials to MySQL database
* The variables have been declared as private. This
* means that they will only be available with the
* Database class
*/
private $db_host = "localhost"; // Change as required
private $db_user = "root"; // Change as required
private $db_pass = ""; // Change as required
private $db_name = ""; // Change as required
/*
* Extra variables that are required by other function such as boolean con variable
*/
private $con = false; // Check to see if the connection is active
private $result = array(); // Any results from a query will be stored here
// Function to make connection to database
public function connect(){
if(!$this->con){
$myconn = @mysql_connect($this->db_host,$this->db_user,$this->db_pass); // mysql_connect() with variables defined at the start of Database class
if($myconn){
$seldb = @mysql_select_db($this->db_name,$myconn); // Credentials have been pass through mysql_connect() now select the database
if($seldb){
$this->con = true;
return true; // Connection has been made return TRUE
}else{
array_push($this->result,mysql_error());
return false; // Problem selecting database return FALSE
}
}else{
array_push($this->result,mysql_error());
return false; // Problem connecting return FALSE
}
}else{
return true; // Connection has already been made return TRUE
}
}
// Function to disconnect from the database
public function disconnect(){
// If there is a connection to the database
if($this->con){
// We have found a connection, try to close it
if(@mysql_close()){
// We have successfully closed the connection, set the connection variable to false
$this->con = false;
// Return true tjat we have closed the connection
return true;
}else{
// We could not close the connection, return false
return false;
}
}
}
public function select($sql){
$query = @mysql_query($sql);
// $this->myQuery = $sql; // Pass back the SQL
if($query){
// If the query returns >= 1 assign the number of rows to numResults
$this->numResults = mysql_num_rows($query);
// Loop through the query results by the number of rows returned
for($i = 0; $i < $this->numResults; $i++){
$r = mysql_fetch_array($query);
$key = array_keys($r);
for($x = 0; $x < count($key); $x++){
// Sanitizes keys so only alphavalues are allowed
if(!is_int($key[$x])){
if(mysql_num_rows($query) >= 1){
$this->result[$i][$key[$x]] = $r[$key[$x]];
}else{
$this->result = null;
}
}
}
}
return true; // Query was successful
}else{
array_push($this->result,mysql_error());
return false; // No rows where returned
}
}
// Function to insert into the database
public function insert($sql)
{
// Make the query to insert to the database
if($ins = @mysql_query($sql))
{
array_push($this->result,mysql_insert_id());
return true; // The data has been inserted
}
else
{
array_push($this->result,mysql_error());
return false; // The data has not been inserted
}
}
// Function to update and delete into the database
public function query($sql)
{
if($query = @mysql_query($sql)){
array_push($this->result,mysql_affected_rows());
return true;
}else{
array_push($this->result,mysql_error());
return false;
}
}
// Public function to return the data to the user
public function getResult(){
$val = $this->result;
$this->result = array();
return $val;
}
}
?>
的index.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Example Test</title>
</head>
<body>
<?php
if(isset($_REQUEST['failure']))
{
echo "Email/Password Wrong";
}
?>
<form action="operation.php" method="post">
<label>Email:</label>
<input type="text" name="email" />
<br />
<label>Password:</label>
<input type="password" name="password" />
<br />
<input type="submit" name="cmdlogin" value="Login" />
</form>
</body>
</html>
operation.php
<?php
require_once("class.php");
$db = new Database();
$db->connect();
if(isset($_REQUEST['cmdlogin']))
{
$rs = $db->select("SELECT * FROM tbl_login where email = '".$_REQUEST['email']."' and password= '".md5($_REQUEST['password'])."'");
$res = $db->getResult();
if($res)
{
header('location: http://localhost/project/menu.php ');
}
else
{
header('location: http://localhost/project/index.php?failure');
}
}
if(isset($_REQUEST['cmdproduct_save']))
{
$rs = $db->insert("INSERT INTO `tbl_product`(`product`, `description`, `catid`) VALUES ('".$_REQUEST['product']."','".$_REQUEST['description']."',
'".$_REQUEST['drpcat']."')");
$res = $db->getResult();
header('location: http://localhost/project/product.php?saved');
}
if(isset($_REQUEST['cmdcategory_save']))
{
$filename = '';
if(isset($_FILES['catimage']['name']) && $_FILES['catimage']['name'] != '')
{
$filename = time();
$ext=substr($_FILES['catimage']['name'],strrpos($_FILES['catimage']['name'],'.'),strlen($_FILES['catimage']['name'])-1);
$filepath = $_SERVER['DOCUMENT_ROOT'].'project/image/'.$filename.$ext;
move_uploaded_file($_FILES['catimage']['tmp_name'],$filepath);
}
$rs = $db->insert("INSERT INTO `tbl_category`(`category`, `description`,`catimage`) VALUES ('".$_REQUEST['category']."','".$_REQUEST['description']."','".$filename."')");
$res = $db->getResult();
header('location: http://localhost/project/category.php?saved');
}
if(isset($_REQUEST['cmdproduct_update']))
{
$rs = $db->query("UPDATE `tbl_product` SET `product` = '".$_REQUEST['product']."', `description`= '".$_REQUEST['description']."',`catid` = '".$_REQUEST['drpcat']."' where id = ".$_REQUEST['proeditid']);
$res = $db->getResult();
header('location: http://localhost/project/product.php?updated');
}
if(isset($_REQUEST['cmdcategory_update']))
{
//print_r($_REQUEST);exit;
$rs = $db->query("UPDATE `tbl_category` SET `category`= '".$_REQUEST['category']."', `description` = '".$_REQUEST['description']."' where id =".$_REQUEST['cateditid']);
$res = $db->getResult();
//print_r($res);exit;
header('location: http://localhost/project/category.php?updated');
}
if(isset($_REQUEST['catdelete']))
{
$rs = $db->query("DELETE FROM `tbl_category` WHERE id = ".$_REQUEST['catdelete']);
$res = $db->getResult();
header('location: http://localhost/project/category.php?deleted');
}
?>
product.php
<!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=utf-8" />
<title>Example Test</title>
</head>
<body>
<?php
include("menu.php");
require_once("class.php");
$db = new Database();
$db->connect();
$db->select("select * from tbl_category");
$rs = $db->getResult();
if(isset($_REQUEST['proeditid']))
{
$db->select("select * from tbl_product where id = ".$_REQUEST['proeditid']);
$result = $db->getResult();
//print_r($result);
}
?>
<form action="operation.php" method="post">
<label>Product:</label>
<input type="text" name="product" value="<?php if(isset($result)){ echo $result[0]['product']; }?>" />
<br />
<label>Description:</label>
<input type="text" name="description" value="<?php if(isset($result)){ echo $result[0]['description']; }?>" />
<br />
<label>Category:</label>
<select name="drpcat">
<option value="0">Select Category</option>
<?php foreach($rs as $val){?>
<option value="<?php echo $val['id']; ?>"<?php if(isset($result) && $result[0]['catid'] == $val['id']){ echo 'selected="selected"';}?>><?php echo $val['category'];?></option>
<?php }?>
</select>
<br />
<?php if(isset($result)) {?>
<input type="hidden" name="proeditid" value="<?php echo $result[0]['id'];?>" />
<input type="submit" name="cmdproduct_update" value="Update" />
<?php }else {?>
<input type="submit" name="cmdproduct_save" value="Save" />
<?php }?>
</form>
<br />
<br />
<br />
<br />
<?php
$db->select("select p.*,c.category from tbl_product as p, tbl_category as c where c.id = p. catid");
$res = $db->getResult();
?>
<table border="1">
<thead>
<tr>
<th>Product</th>
<th>Description</th>
<th>Category</th>
<th>Edit</th>
<th>Delete</th>
</tr>
</thead>
<tbody>
<?php
foreach($res as $output){
?>
<tr>
<td><?php echo $output['product']; ?></td>
<td><?php echo $output['description']; ?></td>
<td><?php echo $output['category']; ?></td>
<td>
<form action="operation.php" method="post" name="catedit<?php echo $output['id']; ?>">
<input type="hidden" name="proedit" value="<?php echo $output['id']; ?>" />
</form>
<a href="http://localhost/project/product.php?proeditid=<?php echo $output['id']; ?>">Edit</a>
</td>
<td>
<form action="operation.php" method="post" name="prodelete<?php echo $output['id']; ?>">
<input type="hidden" name="prodelete" value="<?php echo $output['id']; ?>" />
</form>
<a href="#" onclick="document.prodelete<?php echo $output['id']; ?>.submit();">Delete</a>
</td>
</tr>
<?php
}
?>
</tbody>
</table>
</body>
</html>
<div style="margin-bottom:30px;">
<a href="category.php">Category</a>
<a href="product.php" style="margin-left:15px;">Product</a>
</div>
menu.php
<div style="margin-bottom:30px;">
<a href="category.php">Category</a>
<a href="product.php" style="margin-left:15px;">Product</a>
</div>
category.php
<!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=utf-8" />
<title>Example Test</title>
</head>
<body>
<?php
require_once("class.php");
include("menu.php");
$db = new Database();
$db->connect();
if(isset($_REQUEST['cateditid']))
{
$db->select("select * from tbl_category where id = ".$_REQUEST['cateditid']);
$rs = $db->getResult();
//print_r($rs);
}
?>
<form action="operation.php" method="post" enctype="multipart/form-data">
<label>Category:</label>
<input type="text" name="category" value="<?php if(isset($rs)){ echo $rs[0]['category']; }?>" />
<br />
<label>Description:</label>
<input type="text" name="description" value="<?php if(isset($rs)){ echo $rs[0]['description']; }?>" />
<br />
<label>Category Image:</label>
<input type="file" name="catimage" />
<br />
<?php if(isset($rs)) {?>
<input type="hidden" name="cateditid" value="<?php echo $rs[0]['id'];?>" />
<input type="submit" name="cmdcategory_update" value="Update" />
<?php }else {?>
<input type="submit" name="cmdcategory_save" value="Save" />
<?php }?>
</form>
<br />
<br />
<br />
<br />
<?php
$db->select("select * from tbl_category");
$res = $db->getResult();
?>
<table border="1">
<thead>
<tr>
<th>Category</th>
<th>Description</th>
<th>Edit</th>
<th>Delete</th>
</tr>
</thead>
<tbody>
<?php
foreach($res as $output){
?>
<tr>
<td><?php echo $output['category']; ?></td>
<td><?php echo $output['description']; ?></td>
<td>
<form action="operation.php" method="post" name="catedit<?php echo $output['id']; ?>">
<input type="hidden" name="catedit" value="<?php echo $output['id']; ?>" />
</form>
<a href="http://localhost/project/category.php?cateditid=<?php echo $output['id']; ?>">Edit</a>
</td>
<td>
<form action="operation.php" method="post" name="catdelete<?php echo $output['id']; ?>">
<input type="hidden" name="catdelete" value="<?php echo $output['id']; ?>" />
</form>
<a href="#" onclick="document.catdelete<?php echo $output['id']; ?>.submit();">Delete</a>
</td>
</tr>
<?php
}
?>
</tbody>
</table>
</body>
</html>
答案 1 :(得分：0)
答案 2 :(得分：0)
PHP面向对象的解决方案 http://www.amazon.com/dp/1430210117
当我开始使用php 时，我非常喜欢这本书