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PHP Voting exercises

Source: Internet
Author: User
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First, the topic Requirements: the establishment of the following two databases, to achieve the statistical results of voting and%:

Ii. Specific methods of preparation:

(1), establish the database:

The table name of the blue background inside is the table we need!

The table reads as follows:

Table Name: Diaoyantimu

Table Name: Diaoyanxuanxiang

(2), encapsulation class file:

<?PHPclassdbda{ Public $fuwuqi= "localhost";  Public $yonghuming= "Root";  Public $mima= "Root";  Public $dbconnect; functionQuery ($sql,$type=1,$shujukuming= "Test")    {               $this->dbconnect =NewMysqli ($this->fuwuqi,$this->yonghuming,$this->mima,$shujukuming); if(!Mysqli_connect_error())        {                       $result=$this->dbconnect->query ($sql); if($type==1)            {                             return $result-Fetch_all (); }            Else            {                               return $result; }                }        Else        {            return"Connection Failed"; }                    }    }?>

(3), voting page (shouye.php):

<!DOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd "><HTMLxmlns= "http://www.w3.org/1999/xhtml"><Head><Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8" /><title>Untitled Document</title><styletype= "Text/css">. x{float: Left;}#top{width:500px;Height:200px;}#bottom{width:500px;Height:200px;Display:None;}#fanhui{Display:None;}</style></Head><Body><formAction= "chuli.php"Method= "POST"><?phpinclude ("DBDA.class.php"); $db =new dbda; $stm = "select * from Diaoyantimu limit 0,1"; $atm = $db->query ($stm); echo "<div> title: {$atm [0][1]}</div>"; $sxx = "SELECT * from Diaoyanxuanxiang where timudaihao= ' {$ATM [0][0]} ' "; $axx = $db->query ($sxx); echo" <div id= ' top ' > "; foreach ($axx as $v) {echo <div><input type= ' checkbox    ' value= ' {$v [0]} ' name= ' xx[] '/>{$v [1]}</div> '; }echo "</div>";?><DivID= "Bottom"><?php$sum= "Select sum (Numbers) from Diaoyanxuanxiang where timudaihao= ' {$ATM [0][0]} '"; $asum = $db->query ($sum); $      Total= $asum [0][0];foreach ($axx as $v) {$BFB = ($v [2]/$total) *100; echo "<div><span class= ' x ' >{$v [1]}</span> <div class= ' x ' style= ' border:1px solid blue;width : 120px; height:12px ' > <div style= ' background-color:red;height:12px;width:{$bfb}% ' ></div> </div> <s Pan class= ' x ' >&nbsp; {$v [2]}&nbsp;</span> <span class= ' x ' >{$bfb}%</span> </div> <div style= ' Clear:both ' & Gt;</div> ";}?></Div> <DivID= "Anniu"><inputtype= "Submit"value= "Submit"/><inputtype= "button"value= "View"onclick= "Showresult ()"/></Div><DivID= "Fanhui"><inputtype= "button"value= "Back"onclick= "Show ()" /></Div></form></Body><Scripttype= "Text/javascript">functionShowresult () {document.getElementById ("Top"). Style.display="None"; document.getElementById ("Bottom"). Style.display="Block"; document.getElementById ("Fanhui"). Style.display="Block"; document.getElementById ("Anniu"). Style.display="None";}functionShow () {document.getElementById ("Top"). Style.display="Block"; document.getElementById ("Bottom"). Style.display="None"; document.getElementById ("Fanhui"). Style.display="None"; document.getElementById ("Anniu"). Style.display="Block";}</Script></HTML>

(4), Voting processing page (chuli.php):

<? php$ids = $_post["xx"];include ("DBDA.class.php"), $db = new Dbda (), foreach ($ids as $v) {    $sql = "Update Diaoyanxuanxiang Set Numbers = numbers+1 where ids= ' {$v} ' ";    $db->query ($sql, 0);} Header ("location:shouye.php");

The results appear as follows:

PHP Voting exercises

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