1.F12 打开开发者工具窗口

2.console下输入命令

(function(){$("#side").remove();$("#comment_title, #comment_list, #comment_bar, #comment_form, .announce, #ad_cen, #ad_bot").remove();$(".nav_top_2011, #header, #navigator").remove();$(".p4course_target, .comment-box, .recommend-box, #csdn-toolbar, #tool-box").remove();$("aside").remove();$(".tool-box").remove();$("#toolBarBox").remove();$("main").css('display','content'); $("main").css('float','left');$("body").css('min-width',0);$("#mainBox").css('width','90%');$(".main_father.clearfix.d-flex.justify-content-center").css("width","90%");$(".option-box").remove();window.print();
})();