WEB在模态窗体里导出或下载文件功能代码

<title>我的聊天记录</title> 
<base target="_self" /> 
<script src="../JS/jquery-1.4.2.min.js" type="text/javascript"></script> 
<script> 
$(document).ready(function() { 
$('a[href][href!="#"]').click(function() { 
SetSelfTarget(this); 
}); 
$('input').click(function() { 
SetSelfTarget(this); 
}); 
}); 
function SetTarget() { 
var htmTarget = document.getElementsByTagName("head"); 
if ((undefined != htmTarget) && (0 < htmTarget.length)) { 
var b = htmTarget[0].getElementsByTagName("base"); 
if ((undefined != b) && (0 < b.length)) { 
b[0].target = "download"; 
} 
} 
} 
function SetSelfTarget(obj) { 
if (obj.id != "btn_Export") { 
var htmTarget = document.getElementsByTagName("head"); 
if ((undefined != htmTarget) && (0 < htmTarget.length)) { 
var b = htmTarget[0].getElementsByTagName("base"); 
if ((undefined != b) && (0 < b.length)) 
b[0].target = "_self"; 
} 
} 
} 
</script> 
<asp:Button ID="btn_Export" runat="server" Text="导出" OnClick="btn_Export_Click" OnClientClick="SetTarget()" /> 

  
  




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