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一、打开检查

f11或者右键打开检查

二、点击进入控制台

三、在控制台中输入代码

(function(){      '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;
})();

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