csdn文章保存为PDF

(function(){
	'use strict';
	var articleBox = $("div.article_content");
	articleBox.removeAttr("style");
	$(".hide-preCode-bt").parents(".author-pjw").show();
	$(".hide-preCode-bt").parents("pre").removeClass("set-code-hide");
	$(".hide-preCode-bt").parents(".hide-preCode-box").hide().remove();
	$("#btn-readmore").parent().remove();
	$("#side").remove();
	$(".csdn-side-toolbar, .template-box, .blog-footer-bottom, .left-toolbox, .toolbar-inside").remove();
	$(".comment-box, .recommend-box, .more-toolbox, .article-info-box, .column-group-item").remove();
	$("aside, .tool-box, .recommend-nps-box, .skill-tree-box").remove();
	$("main").css('display','content'); 
	$("main").css('float','left'); 
	$("#mainBox").width("100%");		
	document.getElementsByTagName('body')[0].style.zoom=0.8;
	window.print();
})();

打印完后自动还原网页

(function doPrint(){      
	'use strict';
	var articleBox = $("div.article_content");
	articleBox.removeAttr("style");
	var head_str = "";       
	var foot_str = "";   
	var older = document.body.innerHTML;       
	var title= document.getElementsByClassName('article-title-box')[0].innerHTML; 
	var main_body = document.getElementsByClassName('article_content')[0].innerHTML;
	document.body.innerHTML = head_str + title + main_body + foot_str;
	$("#mainBox").width("100%");
	document.getElementsByTagName('body')[0].style.zoom=0.8;     
	window.print();
	document.body.innerHTML = older;
	return false;
})();