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jquery 批量上传图片实现代码

2020-05-24 21:18:29易采站长站整理

前台: upload.htm

<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head runat=”server”>
<title>upload</title>
<link href=”upload.css” rel=”Stylesheet” />
</head>
<body>
<form>
<ul>
<li>
<button id=”SubUpload” onclick=”TSubmitUploadImageFile();return false;”>
确定上传</button>  
<button id=”CancelUpload” class=”ManagerButton” onclick=”javascript:history.go(-1);”>
取消</button>  
<button id=”AddUpload” class=”ManagerButton” onclick=”TAddFileUpload();return false;”>
增加</button>
</li>
</ul>
<ul id=”loadimage”>
<li>
<div class=”imagelabel”>
图片1:</div>
<div class=”imagepath”>
<input name=”” size=”45″ id=”uploadImg1″ type=”file” /></div>
<div class=”loadinfo”>
<span id=”uploadImgState1″></span>
</div>
</li>
</ul>
</form>
</body>
</html>
<script type=”text/javascript” src=”http://www.cnblogs.com/JS/jquery-1.3.2-vsdoc.js”></script>
<script type=”text/javascript”>
var TfileUploadNum = 1; //记录图片选择框个数
var Tnum = 1; //ajax上传图片时索引
//增加上传按钮
function TAddFileUpload() {
var idnum = TfileUploadNum + 1;
var str = “<li>”;
str += “<div class=’imagelabel’>图片” + idnum + “:</div>”;
str += “<div class=’imagepath’><input name=” size=’45’ id=’uploadImg” + idnum + “‘ type=’file’ /></div>”;
str += “<div class=’loadinfo’><span id=’uploadImgState” + idnum + “‘></span></div>”;
str += “</li>”;
$(“#loadimage”).append(str);
TfileUploadNum += 1;
}
//开始上传
function TSubmitUploadImageFile() {
document.getElementById(“SubUpload”).disabled = true;
document.getElementById(“CancelUpload”).disabled = true;
document.getElementById(“AddUpload”).disabled = true;
setTimeout(“TajaxFileUpload()”, 1000); //此为关键代码
}
//Ajax上传方法
function TajaxFileUpload() {
if (Tnum < TfileUploadNum + 1) {
//准备提交处理
$(“#uploadImgState” + Tnum).html(“<img src=’/gif/upfileloader.gif’/>”);

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