Javascript _ PHP_ Nhập mảng

by phuocmien Fri Oct 23, 2015 9:42 am

Javascript

Code:: <script language="javascript"> function them(){ xoa(); var so=document.f2.txtso.value; for(var i=0;i<so; i++){ document.getElementById('t1').innerHTML +="pt thu "+ (i+1)+ "<input type='text' name='txt[]'><br>"; } document.getElementById('t1').innerHTML +="<input type='submit' value='Hien thi' name='sbok'><br>"; } function xoa(){ document.getElementById('t1').innerHTML=""; } </script>

Form

Code:: <form action="" method="post" name="f2"> Nhap n:<input type="text" name="txtso" value="<?php echo @$_REQUEST['txtso'];?>" onchange="return xoa();"/> <input type="button" value="Nhap mang" name="btnhap" onclick="return them();"/> <p id="t1" ></p> </form>

PHP

Code:: <?php if(isset($_REQUEST['sbok'])){ $a=$_REQUEST['txt']; echo "So phan tu trong mang la: ".$_REQUEST['txtso']; echo "<br> Mang vua nhap la: "; $ln=$a[0]; foreach($a as $v){ echo " $v "; if($v>$ln) $ln=$v; } echo "<br> Gia tri lon nhat trong mang la: $ln"; } ?>