thinkphp框架表单数组实现图片批量上传功能示例

<script type="text/javascript" 
var i = 1;
function addElement(){
var tr = document.createElement('tr');
var td1=document.createElement("td");
var td2=document.createElement("td");
var td3=document.createElement("td");
var td4=document.createElement("td");
var td5=document.createElement("td");
var td6=document.createElement("td");
var td7=document.createElement("td");
td1.innerHTML="<strong 描述：</strong ";
td2.innerHTML="<textarea name='des[]'  </textarea ";
td3.innerHTML="<strong 图片：</strong ";
td4.innerHTML="<input type='text' name='image[]' id='image"+i+"'/ <IFRAME name=fo frameBorder=0 height=24 marginHeight=1 marginWidth=1 scrolling=no BORDERCOLOR='#CCCCFF' src='__APP__/Upimg/upimgs/ind/"+i+"' style='vertical-align: middle;' </iframe <span style='color:red' 请上传小于2M的图片</span ";
td5.innerHTML="<strong 排序：</strong ";
td6.innerHTML="<input type='text' name='px[]' value='5'/ ";
td7.innerHTML="<a class='editbtn' href='javascript:void(0);' οnclick='addElement()' 增 加</a  | <a class='editbtn' href='javascript:void(0);' οnclick='dropElement()' 删减</a ";
tr.appendChild(td1);
tr.appendChild(td2);
tr.appendChild(td3);
tr.appendChild(td4);
tr.appendChild(td5);
tr.appendChild(td6);
tr.appendChild(td7);
tr.id = 'Elem'+i;
document.getElementById('pdr1').appendChild(tr);
i++;
}
function dropElement(){
var aaa = document.getElementById('Elem'+(i-1));
document.getElementById('pdr1').removeChild(aaa);
i--;
}
function checkForm()
{
for(k=i;k =0;k--)
{
if(document.getElementById("image"+k).value=="")
{
alert("图片不能空");
return false;
}
}
}
</script 
<div style="margin:20px auto" 
<form method="post" name="form1" action="__URL__/insert" οnsubmit="return checkForm();" 
<input type="hidden" name="fid" value="{$fid}"/ 
<table class="table" cellspacing="1" cellpadding="2" width="90%" align="center"
border="0" id="pdr1" 
<tbody 
<tr  
<td width="5%" class="td_bg" align="right" <strong 描述：</strong </td 
<td class="td_bg" width="25%" <textarea name="des[]" </textarea </td 
<td width="5%" class="td_bg" align="right" <strong 图片：</strong </td 
<td class="td_bg" width="25%"  <input type="text" name="image[]" id="image0"/ <IFRAME name=fo frameBorder=0 height=24 marginHeight=1 marginWidth=1
scrolling=no BORDERCOLOR="#CCCCFF"
src="{:U('Upimg/upimgs','ind=0')}" style="vertical-align: middle;" </iframe 
<span style="color:red" 请上传小于2M的图片</span </td 
<td width="5%" class="td_bg" align="right" <strong 排序：</strong </td 
<td class="td_bg" width="20%" <input type="text" name="px[]" value="5"/ </td 
<td width="10%" class="td_bg" align="right" <a class="editbtn" href="javascript:void(0);" rel="external nofollow" rel="external nofollow" οnclick="addElement()" 增 加</a  | <a class="editbtn" href="javascript:void(0);" rel="external nofollow" rel="external nofollow" οnclick="dropElement()" 删减</a </td 
</tr 
</tbody 
</table 
<input type="submit" name="submit" value=" 添 加 "/ 
</form 

foreach($data['description'] as $key)
{
$data1['picid']=$fid;
$data1['description']=$data['description'][$i];
$data1['image']=$data['image'][$i];
$data1['px']=$data['px'][$i];
$result=$model- add($data1);
$i++;
}

var tr = document.createElement('tr');
tr.innerHTML= "<td width='5%' class='td_bg' align='right' <strong 描述：</strong </td ";
tr.innerHTML+= "<td class='td_bg' width='25%' <textarea name='des[]' </textarea </td ";  
tr.id = 'Elem'+i;
document.getElementById('pdr1').appendChild(tr);