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js 打印网页指定内容

2015-06-25 11:57 645 查看
function doPrint() {
setTimeout(function() {
bdhtml=window.document.body.innerHTML;
sprnstr="<!--startprint-->";
eprnstr="<!--endprint-->";

prnhtml=bdhtml.substr(bdhtml.indexOf(sprnstr)+17);
prnhtml=prnhtml.substring(0,prnhtml.indexOf(eprnstr));
OpenWindow = window.open("");
OpenWindow.document.write("<!DOCTYPE HTML><HTML><HEAD><meta http-equiv=\"Content-Type\" content=\"text\/html; charset=utf-8\" \/><TITLE>打印页<\/TITLE><link href=\"css\/com.css\" rel=\"stylesheet\" type=\"text\/css\" \/><\/HEAD><BODY><div id=\"printbox\" ><\/div><\/BODY><\/HTML>");
OpenWindow.document.getElementById("printbox").innerHTML=prnhtml;

OpenWindow.document.close();
OpenWindow.print();

}, 200);
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