(function ($) {
var printAreaCount = 0;
$.fn.printArea = function () {
var ele = $(this);
var idPrefix = “printArea_”;
removePrintArea(idPrefix + printAreaCount);
printAreaCount++;
var iframeId = idPrefix + printAreaCount;
var iframeStyle = ‘position:absolute;width:0px;height:0px;left:-500px;top:-500px;’;
iframe = document.createElement(‘IFRAME’);
$(iframe).attr({
style: iframeStyle,
id: iframeId
});
document.body.appendChild(iframe);
var doc = iframe.contentWindow.document;
$(document).find(“link”).filter(function () {
return $(this).attr(“rel”).toLowerCase() == “stylesheet”;
}).each(
function () {
doc.write(‘<link type=”text/css” rel=”stylesheet” href=”‘
+ $(this).attr(“href”) + ‘” >’);
});
doc.write(‘<div class=”‘ + $(ele).attr(“class”) + ‘”>’ + $(ele).html()
+ ‘</div>’);
doc.close();
var frameWindow = iframe.contentWindow;
frameWindow.close();
frameWindow.focus();
frameWindow.print();
}
var removePrintArea = function (id) {
$(“iframe#” + id).remove();
};
})(jQuery);
使用示例：
<input type=“button” id=“btnPrint” value=“打印”/>
<div id=“printContent”>要打印的内容区域<div>
<script type=“text/javascript”>
$(function(){
$(“btnPrint”).click(function(){ $(“printContent”).printArea(); });
});
</script>
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