【PHP】租贷包包系统

花了三天时间写了一个租贷包包的系统，布局搞的比较辛苦，页面设计也很烧脑 

 index.php

    
    
    
    




    
添加客户



    
租贷包包



    
归还包包


    
添加包包


    
最佳客户

 add_customer.php

    
    
    
    



    
Registered Customers

query($sql);
    if ($result == 1)
        echo '';
    else
        echo '';
}
?>

    
">
        

            姓：
            
            名：
            
        
        

            地址：
            
        
        

            电话：
            
        
        

            银行卡号：
            
        
        

            邮箱：
            
        
        

            注册客户
        
    

 LuxuryBags.php

    
    
    
    



    
Leasing luxury


    Color:
    
        All Colors
        White
        Multi
        Camel
        Green
        Blue
        Black
        Mauve
        Gold
        Plaid
    
    Designer:
    
        All Designers
        Louis Vuitton
        Coach
        Prada
        Burberry
    
    


    query($sql);
        if ($result == 1)
            echo '';
        else
            echo '';
    }
    $sql = "SELECT * FROM bag";
    if (isset($_POST['colorFilter'])) {
        $colorFilter = $_POST['colorFilter'];
        if ($colorFilter !== 'all')
            $sql = "SELECT * FROM bag WHERE color = '$colorFilter'";
    }
    if (isset($_POST['designerFilter'])) {
        $designerFilter = $_POST['designerFilter'];
        $id = getDesignerID($designerFilter);
        if ($designerFilter !== 'all')
            $sql = "SELECT * FROM bag WHERE designer_id = $id";
    }
    $result = $conn->query($sql);
    if ($result->num_rows > 0) {
        while ($row = $result->fetch_assoc()) {
            if ($row['rent'] == 0) {
                $url = "rend.php?bag_id=" . urlencode($row["bag_id"]);
                echo '
';
                echo '' . $row["type"] . '';
                echo '';
                echo '$' . getPrice($row['designer_id']) . '';
                echo '
';
            }
        }
    } else {
        echo "0 results";
    }
    $conn->close();
    ?>

 rend.php

    
    
    



    
Chose Customers


    ')">
                 $value) { ?>
                    

return_bag.php

query($sql);
    if ($result == 1) {
        $sql = "select datediff(return_date,rental_date) as time from rental where rental_id=$id";
        $result = $conn->query($sql);
        $row = $result->fetch_assoc();
        $time = $row['time'];
        $sql = "select price from designer where designer_id = (select designer_id from bag where bag_id=(select bag_id from rental where rental_id=$id))";
        $result = $conn->query($sql);
        $row = $result->fetch_assoc();
        $price = $row['price'];
        echo '';
    } else
        echo '';
}
$tableData = getTableData('rental');
$has=getNoReturnLength();
?>




    
    
    



    
Return Bags


    0) {?>
         $value) { ?>
                            
    
        

            
There is no rental.
        
    

 add.php

    
    
    
    



    
Add Bags

query($sql);
    if ($result == 1)
        echo '';
    else
        echo '';
}
?>

    
">
        

            Name: 
            
        
        

            Color:
            
                White
                Multi
                Camel
                Green
                Blue
                Black
                Mauve
                Gold
                Plaid
            
        
        

            Designer:
            
                Louis Vuitton
                Coach
                Prada
                Burberry
            
        
        

            Add Bag
        
    

 view_customers.php

    
    



    
Best Customers


     $value) { ?>
                    

        

            
last_name
            
first_name
            
address
            
telephone
            
total_length_of_rental
        
        
            

                

                        
                    
                
            
        
    

每个页面都引入的和数据库交互的database.php

connect_error) {  //数据库连接失败弹出提示
    echo '';
    die(); //终止代码
}
function getPrice($id)
{
    global $conn;
    $sql = "select price from designer where designer_id = $id";
    $result = $conn->query($sql);
    $row = $result->fetch_assoc();
    return $row['price'];
}

function getDesignerID($name)
{
    global $conn;
    $sql = "select designer_id from designer where name = '$name'";
    $result = $conn->query($sql);
    $row = $result->fetch_assoc();
    return $row['designer_id'];
}

function getBestCustomers()
{
    global $conn;
    $sql = "call BestCustomers()";
    $result = $conn->query($sql);
    $tableData = array();
    if ($result->num_rows > 0) {
        while ($row = $result->fetch_assoc()) {
            $tableData[] = $row;
        }
    }
    return $tableData;
}

function getNoReturnLength()
{
    global $conn;
    $sql = "select count(*) from rental where return_date is NULL";
    $result = $conn->query($sql);
    $row = $result->fetch_assoc();
    return $row['count(*)'];
}

function getTableLength($tableName)
{
    global $conn;
    $sql = "select count(*) from $tableName";
    $result = $conn->query($sql);
    $row = $result->fetch_assoc();
    return $row['count(*)'];
}

function getTableData($tableName)
{
    global $conn;
    $sql = "select*from $tableName";
    $result = $conn->query($sql);
    $tableData = array();
    if ($result->num_rows > 0) {
        while ($row = $result->fetch_assoc()) {
            $tableData[] = $row;
        }
    }
    return $tableData;
}

function getTableHeader($tableName)
{
    global $conn;
    $sql = "describe $tableName";
    $result = $conn->query($sql);
    $tableHeader = array();
    if ($result) {
        while ($row = $result->fetch_assoc()) {
            $tableHeader[] = $row['Field'];
        }
    }
    return $tableHeader;
}

?>

除此之外，MySQL上实现了几个存储过程和两个触发器

 

触发器，当rental表被更新时，自动更新bag表中相应包包的租借状态，还回去了

触发器，当rental被插入时，自动更新bag表中相应包包的租借状态，被借走了