Rezolvari

Tehnologii WEB

-------- Afisare suma ----

<?php # Script: - af_suma.php 
echo '
<div id="Continut_p">';
// Se verifica daca form-ul a fost trimis
$n1 = 0;
$n2 = 0;
if (isset($_POST['trimis'])) {

// Validare mimimala form.
	if ( is_numeric($_POST['n1']) && is_numeric($_POST['n2']) ) {
	
		// Calcularea rezultatelor.
		
		$n1 = $_POST['n1'] ;
		$n2 = $_POST['n2'] ;	
	} else { // S-au trimis valori invalide.
		echo '<h1>Eroare !</h1>
		<p class="error">Va rog introduceti N1 si N2.</p><p><br /></p>';
	}
}
?>
<center><table bgcolor="#D9E3EE" border =1 width="300"><tr><td>
<center>Suma a doua numere</center><hr>
<form action="af_suma.php" method="post">
	<table align ="center"><tr><td>	
	<p>N1:<input type="text" name="n1" size="5" maxlength="10" value="<?php if (isset($_POST['n1'])) echo $_POST['n1']; ?><?php if (!isset($_POST['n1'])) echo'0'; ?>" </p>
	</td></tr><tr><td>
	<p>N2:<input type="text" name="n2" size="5" maxlength="10" value="<?php if (isset($_POST['n2'])) echo $_POST['n2']; ?><?php if (!isset($_POST['n2'])) echo '0'; ?>" </p>
	</td></tr><tr>
	<td width="100"> Suma:<?php echo $n1+$n2; ?>
	</td></tr></table><hr>
	<p><input type="submit" name="trimite" value="Afiseaza!" /></p>
	<input type="hidden" name="trimis" value="TRUE" />
</form>
</td></tr></table></center>
</div>

-------- Afisare vloare folosind marcatorul <hr width=" "> ----

<?php # Script: - af_gr_vall.php 
echo '
<div id="Continut_p">';
// Se verifica daca form-ul a fost trimis
if (isset($_POST['trimis'])) {folosind

// Validare mimimala form.
	if ( is_numeric($_POST['max']) && is_numeric($_POST['val']) ) {
	
		// Calcularea rezultatelor.
		$val = $_POST['val'] ;
		$max = $_POST['max'] ;	
	} else { // S-au trimis valori invalide.
		echo '<h1>Eroare !</h1>
		<p class="error">Va rog introduceti Valoarea si Valoarea maxima.</p><p><br /></p>';
	}
}
?>
<center><table bgcolor="#D9E3EE" border =1 width="400"><tr><td>
<center>Afisare grafica valoare</center><hr>
<form action="af_gr_vall.php" method="post">
	<table align ="center"><tr><td width="400">	
	<p>Valoarea:<input type="text" name="val" size="5" maxlength="10" value="<?php if (isset($_POST['val'])) echo $_POST['val']; ?><?php if (!isset($_POST['val'])) echo'100'; ?>" </p>
	</td></tr><tr><td>
	<p>Valoara maxima :<input type="text" name="max" size="5" maxlength="10" value="<?php if (isset($_POST['max'])) echo $_POST['max']; ?><?php if (!isset($_POST['max'])) echo '500'; ?>" </p>
	</td></tr><tr><td>
	<table border=1>
	<tr>
	 <td width="100"> Valoare:<?php if (isset($_POST['val'])) echo $_POST['val']; ?></td>
	 <td width="300"> <hr color ="red" size="5" align="left" width="<?php if (isset($_POST['val'])) echo 300*$_POST['val']/$_POST['max']; ?>" color ="red"></td>  	
	</tr>
</table>
	</td></tr></table><hr>
	<p><input type="submit" name="trimite" value="Afiseaza!" /></p>
	<input type="hidden" name="trimis" value="TRUE" />
</form>
</td></tr></table></center>
</div>

--------------------Aplicatia I ---------------------------------
<html>
<body>
<center><table bgcolor="WhiteSmoke" border =1 style="max-width:400px;width:100%"><tr><td>
<hr>
<?php # Script : apl1.php
//include ('meniu.php');
$nr_rd=10;
$wd=$nr_rd*35;
$val=0;
echo '
<center><table bgcolor="#D9E3EE" border="1" width="'.$wd.'"><tr>
<td colspan="3" height="30" bgcolor="magenta"><font color= "white" size="3" ><center><b>Radio bottons</></center></font></td></tr>';
for($j=1;$j<=$nr_rd;$j++){
	$val=rand(1,$nr_rd);
	echo '<tr> 
			<td align="center"  width="40" ><font color="Blue" size="2">' . $j. '</font></td>
			<td align="center"><font color="Black" size="2">';
	for($i=1;$i<=$nr_rd;$i++){

echo'<INPUT TYPE = "radio" NAME="rd_'.$j.' " onclick="valid('.$i.','.$j.')" VALUE = "'.$i.'"'; if ($i==$val) echo ' checked'; echo'/> ';

}
	echo '</font></td></tr><tr>';
}
echo '</td></tr><tr><td colspan="2"> <div id="mes"> <font color="gray" size="2"> Selectati un radio button ! </font></div>';
echo '</td></tr></table></center>';
echo' <script>
function valid( x, y) {
	document.getElementById("mes").innerHTML= "<center> <font color=\"magenta\"  size=\"2\"> Linia: " + y +" Coloana: " + x+"</font></center>";
}
</script>';
?></td></tr></table></center>  
</body>
</html>

-----------------------------------------------------------------------

---------------------Aplicatia II--------------------------------------

<html>
<body>
<center><table bgcolor="WhiteSmoke" border =1 width="400"><tr><td>
<hr>
<?php # Script : num_pr.php
//include ('meniu.php');
$nr_rd=10;
$wd=$nr_rd*35;
$val=0;
echo '
<center><table bgcolor="#D9E3EE" border="1" width="'.$wd.'"><tr>
<td colspan="4" height="30" bgcolor="magenta"><font color= "white" size="3" ><center><b>Input type="range"</></center></font></td></tr>';
for($j=1;$j<=$nr_rd;$j++){
	$val=rand(10,250);
	echo '<tr> 
		<td align="center" width="30"><font color="Blue" size="2"><b>' . $j. '</b></font></td>
		<td align="center" width="20"><font color="Gray" size="2">0</font></td>
		<td align="center"><font color="Black" size="2">
		<input type="range" name="vl_'.$j.' " value="'.$val.'" id="vl_'.$j.' " min="0.00" max="250.00"  onchange="trimit('.$j.',this.value)"/>
		</font></td>
		<td align="center" width="40"><font color="Gray" size="2">250</font></td></tr><tr>';	
}
echo '</td></tr><tr><td colspan="3"> <div id="mes_r"> <font color="gray" size="2"> Schimbati valoarea unui "range" !</font> </div>';
echo '</td></tr></table></center>';
echo' <script>
function trimit(x,y) {
	document.getElementById("mes_r").innerHTML= "<center><font color=\"magenta\"  size=\"2\"> Range: " +x+" Valoare: "+ y+"</font></center>";
}
</script>';
?>
</td></tr></table></center>  
</body>
</html>

------------------------------Clasa tabel---------------------
   class tabel {

/* Constructor */

function __construct($dimx,$dimy){

/* Variable membru */

$this->dx = $dimx;
		$this->dy = $dimy;
	}
      /* Functie membru */
    
      function afis($nr_start){
		  
		  echo'<center><table bgcolor="WhiteSmoke" border =1 width="400"><tr><td>
				<center>'.$this->dx*$this->dy.' de numere naturale incepand cu: '.$nr_start.'<hr>';
			echo"<table border=1>";
			$k=$nr_start;
			$i=1;
			$j=1;
			do {
				echo"<tr>";
				$i=1; 	
				do {
					if((($k%2==0)&&($j%2==1))||(($k%2==1)&&($j%2==0)))  
						echo"<td bgcolor=\"yellow\">";  
					else
						echo"<td>";
					echo $k."</td>";  
					$i+=1; 
					$k+=1;
				}while ($i<=$this->dx);
				$j+=1; 
				echo"</tr>";  
			}while ($j<=$this->dy);
		echo"</table>"; 
		echo '</td></tr></table></center>  ';
      }
   }

-------------------------------------Aplicatia IV -----------------------------

<?php # Script: - afis_tens.php 
echo '
<div id="Continut_p">';
// Se verifica daca form-ul a fost trimis
if (isset($_POST['trimis'])) {

// Validare mimimala form.
	if ( is_numeric($_POST['val_max']) && is_numeric($_POST['val']) ) {
		
		// Afisarea rezultatelor.

echo '<center><img src="voltmetru.php?vm='.$_POST['val_max'].'&vl='.$_POST['val'].'">';
	
	} else { // S-au trimis valori invalide.
		echo '<center><img src="voltmetru.php?vm=200&vl=100">
		<p class="error">Va rog introduceti valoarea maxima, si valoarea de afisat</p>';
	}
	
} else {
	echo '<center><img src="voltmetru.php?vm=100&vl=25">';
}

?>
<script>
function trimit() {
  document.getElementById("date").submit();
}
</script>
<center><table  border =1 width="340"><tr><td bgcolor="#D9E3EE">
<form id="date" action="afis_tens.php" method="post">
	<table border ="1" align ="center" width="320"><tr><td align="left">
	Valoarea maxima: </td><td><input type="text" name="val_max" size="5" maxlength="10" value="<?php if (isset($_POST['val_max'])) echo $_POST['val_max']; ?><?php if (!isset($_POST['val_max'])) echo '100'; ?>" />
	</td></tr><tr><td align="left">
	<input type="range" name="val" value="<?php if (isset($_POST['val'])) echo $_POST['val'];?><?php if (!isset($_POST['val'])) echo '25'; ?>" id="per" min="0" max="<?php if (isset($_POST['val_max'])) echo $_POST['val_max']; ?><?php if (!isset($_POST['val_max'])) echo '100'; ?>"  onchange="trimit()"/> 
	</td></tr><tr><td align="left">
	<input type="hidden" name="trimis" value="TRUE" />
	</td></tr></table> 
</form>
</td></tr></table></center>
</div>

------------------------------------Aplicatia voltmetru.php--------------------------

<?php
include ('clasa_voltm.php');
// creare imagine 300*350
$img = imagecreatetruecolor(360, 200);
// definire culori
$white = imagecolorallocate($img, 255, 255, 255);
// fundal alb imagine
imagefill($img, 0, 0,  $white);
if (isset($_GET['vm'])) {
	$vmax=$_GET['vm'];
}
else{
	$vmax=500; // Valoarea maxima afisata
}
if (isset($_GET['vl'])) {
	$val=$_GET['vl'];
}
else{
	$val=rand(0,$vmax); // Valoarea maxima afisata
}
$voltm = new voltmetru($img,  10,  0,  320,  40,  $vmax);
$voltm->init_instr();
$voltm->set_val($val);
// output image in the browser
header("Content-type: image/png");
imagepng($img);

// free memory
imagedestroy($img);
?>