Heim  >  Artikel  >  Backend-Entwicklung  >  检测按钮所在行

检测按钮所在行

WBOY
WBOYOriginal
2016-06-23 14:03:22976Durchsuche

我想通过点击button触发change(this)事件,获取按钮所在行的id,然后调用changeTotext()方法,使所需要的单元格变换成文本框来进行修改数据,function change(obj){}方法不会写。

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title><script language="javascript" type="text/javascript">         function showtd(num) {                         document.getElementById("bg"+num).style.display = "none";             document.getElementById("show"+num).style.display = "block";         }         function hidetd(num) {             document.getElementById("bg"+num).style.display = 'block';             document.getElementById("show"+num).style.display = 'none';         }         function changeTotext()           {                var tdValue = obj.innerText;               obj.innerText = "";               var txt = document.createElement("input");               txt.type = "text";               txt.value = tdValue;               txt.id = "_text_000000000_";               txt.setAttribute("className","text");               obj.appendChild(txt);               txt.select();            }           function change(obj){			        	              }        	function mouseup(){         	    if (document.getElementById("sort_t") && event.srcElement.id != "sort_t")         	    {         	        var obj = document.getElementById("sort_t").parentElement;         	    var txtValue = document.getElementById("sort_t").value;         	    obj.innerText = txtValue;         	    }         	}      </script></head><body>	<form>		<table border="1">	<?php	$db = mysql_connect('localhost','root','root');	mysql_select_db('ec',$db);	if (!$db)	  {	  die('Could not connect: ' . mysql_error());	  }	$result = mysql_query("select * from goods");	echo "<tr>		<th>GoodsID</th>		<th>BarCode</th>		<th>GoodsName</th>		<th>Category</th>		<th>Specifications</th>		<th>Manufacturers</th>		<th>Numbers</th>		<th>Instructions</th>		<th>Pictures</th>		<th>Update</th>		<th>Delete</th>	</tr>";	$n = 0;	while($row = mysql_fetch_array($result))	  {	  echo "<tr>";	  echo "<td id='a'>" . $row['id'] . "</td>";	  echo "<td id='b'>" . $row['barcode'] . "</td>";	  echo "<td>" . $row['goods_name'] . "</td>";	  echo "<td>" . $row['category'] . "</td>";	  echo "<td>" . $row['specifications'] . "</td>";	  echo "<td>" . $row['manufacturers'] . "</td>";	  echo "<td>" . $row['number'] . "</td>";	  echo "<td>" . $row['instruction'] . "</td>";	  echo "<td>" . "<img  src = '$row[picture_url]'   style="max-width:90%"/ alt="检测按钮所在行" >" . "</td>";	  echo "<td id='bg$n'>".     		"<input id='btnshow$n' type='button' value='Update' onclick='showtd($n);change(this)' />".     		"</td>".     		"<td id='show$n' style='display:none'>".         	"<input id='btnclose$n' type='button' value='Save' onclick='hidetd($n);mouseup()'/>".     		"</td>";	  echo "<td>"."<a href='delete.php?id=$row[id]'>"."Delete"."</a>"."</td>";	   	echo "</tr>";	  	++$n;	  }		mysql_close($db);?>	</table></form></body></html>


回复讨论(解决方案)

把单元格的内容放在 div 中,动态设置 div 的 contenteditable 属性就可实现修改
contentEditable

Stellungnahme:
Der Inhalt dieses Artikels wird freiwillig von Internetnutzern beigesteuert und das Urheberrecht liegt beim ursprünglichen Autor. Diese Website übernimmt keine entsprechende rechtliche Verantwortung. Wenn Sie Inhalte finden, bei denen der Verdacht eines Plagiats oder einer Rechtsverletzung besteht, wenden Sie sich bitte an admin@php.cn