javascript nextSibling属性「建议收藏」对于nextSibling属性，在W3school中的定义为：nextSibling属性返回指定节点之后紧跟的节点，在相同的树层级中。注意所返回的节点必须是与上一个节点是同级关系，且彼此之间不能有空格，否则将会返回：undefinedTitl</p>
</div>
<div class="item-meta">
<div class="item-meta-li author">
<a data-user="1" target="_blank" href="https://javaforall.net/user-2/1" class="avatar j-user-card">
<img alt='全栈程序员-站长的头像' src='https://javaforall.net/wp-content/uploads/2025/04/2025042212521933-300x300.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/> <span>全栈程序员-站长</span>
</a>
</div>
<span class="item-meta-li date">2022年7月13日</span>
<div class="item-meta-right">
<span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>344</span> </div>
</div>
</div>
</li>
<li class="item">
<div class="item-img">
<a class="item-img-inner" href="https://javaforall.net/205864.html" title="JAVA HD japan_为什么手机信号会出现HD图标？难道又是套路？其实运营商也很无奈…" target="_blank" rel="bookmark">
<img class="j-lazy" src="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" data-original="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" width="480" height="300" alt="JAVA HD japan_为什么手机信号会出现HD图标？难道又是套路？其实运营商也很无奈…"> </a>
</div>
<div class="item-content">
<h3 class="item-title">
<a href="https://javaforall.net/205864.html" target="_blank" rel="bookmark">
JAVA HD japan_为什么手机信号会出现HD图标？难道又是套路？其实运营商也很无奈… </a>
</h3>
<div class="item-excerpt">
<p>JAVA HD japan_为什么手机信号会出现HD图标？难道又是套路？其实运营商也很无奈…随着科技的不断进步 与我们生活息息相关的手机通讯技术 也在飞快发展 我们的手机信号从 2G 变成了现在 4G 5G 还未普及 而手机信号栏上的图标也在不断变化 从最开始的 E 到现在的 4G 不过有些朋友就发现 手机信号栏突然出现 HD 又是什么意思呢 会是运营商的 套路 吗 今天小编就给大家解惑 1 HD 的含义其实 HD 代表的是 VoLTE 高清语音通话 专业说法就是对手机和数据终端的高速通讯无线标</p>
</div>
<div class="item-meta">
<div class="item-meta-li author">
<a data-user="1" target="_blank" href="https://javaforall.net/user-2/1" class="avatar j-user-card">
<img alt='全栈程序员-站长的头像' src='https://javaforall.net/wp-content/uploads/2025/04/2025042212521933-300x300.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/> <span>全栈程序员-站长</span>
</a>
</div>
<span class="item-meta-li date">2026年3月19日</span>
<div class="item-meta-right">
<span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>3</span> </div>
</div>
</div>
</li>
<li class="item">
<div class="item-img">
<a class="item-img-inner" href="https://javaforall.net/112438.html" title="Git 换行符检查 CRLF 与 LF" target="_blank" rel="bookmark">
<img class="j-lazy" src="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" data-original="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" width="480" height="300" alt="Git 换行符检查 CRLF 与 LF"> </a>
</div>
<div class="item-content">
<h3 class="item-title">
<a href="https://javaforall.net/112438.html" target="_blank" rel="bookmark">
Git 换行符检查 CRLF 与 LF </a>
</h3>
<div class="item-excerpt">
<p>Git 换行符检查 CRLF 与 LF</p>
</div>
<div class="item-meta">
<div class="item-meta-li author">
<a data-user="1" target="_blank" href="https://javaforall.net/user-2/1" class="avatar j-user-card">
<img alt='全栈程序员-站长的头像' src='https://javaforall.net/wp-content/uploads/2025/04/2025042212521933-300x300.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/> <span>全栈程序员-站长</span>
</a>
</div>
<span class="item-meta-li date">2021年11月7日</span>
<div class="item-meta-right">
<span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>39</span> </div>
</div>
</div>
</li>
<li class="item">
<div class="item-img">
<a class="item-img-inner" href="https://javaforall.net/143333.html" title="idea 自动导入包 快捷键「建议收藏」" target="_blank" rel="bookmark">
<img class="j-lazy" src="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" data-original="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" width="480" height="300" alt="idea 自动导入包 快捷键「建议收藏」"> </a>
<a class="item-category" href="https://javaforall.net/category/%e5%bc%80%e5%8f%91%e5%b7%a5%e5%85%b7/idea" target="_blank">idea</a>
</div>
<div class="item-content">
<h3 class="item-title">
<a href="https://javaforall.net/143333.html" target="_blank" rel="bookmark">
idea 自动导入包 快捷键「建议收藏」 </a>
</h3>
<div class="item-excerpt">
<p>idea 自动导入包 快捷键「建议收藏」IntelliJIDEA自动导入包快捷方式idea可以自动优化导入包，但是有多个同名的类调用不同的包，必须自己手动Alt+Enter设置设置idea导入包勾选标注1选项，IntelliJIDEA将在我们书写代码的时候自动帮我们优化导入的包，比如自动去掉一些没有用到的包。勾选标注2选项，IntelliJIDEA将在我们书写代码的时候自动帮我</p>
</div>
<div class="item-meta">
<div class="item-meta-li author">
<a data-user="1" target="_blank" href="https://javaforall.net/user-2/1" class="avatar j-user-card">
<img alt='全栈程序员-站长的头像' src='https://javaforall.net/wp-content/uploads/2025/04/2025042212521933-300x300.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/> <span>全栈程序员-站长</span>
</a>
</div>
<span class="item-meta-li date">2022年5月21日</span>
<div class="item-meta-right">
<span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>1.6K</span> </div>
</div>
</div>
</li>
<li class="item">
<div class="item-img">
<a class="item-img-inner" href="https://javaforall.net/101818.html" title="Centos重装ssh服务" target="_blank" rel="bookmark">
<img class="j-lazy" src="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" data-original="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" width="480" height="300" alt="Centos重装ssh服务"> </a>
</div>
<div class="item-content">
<h3 class="item-title">
<a href="https://javaforall.net/101818.html" target="_blank" rel="bookmark">
Centos重装ssh服务 </a>
</h3>
<div class="item-excerpt">
<p>Centos重装ssh服务</p>
</div>
<div class="item-meta">
<div class="item-meta-li author">
<a data-user="1" target="_blank" href="https://javaforall.net/user-2/1" class="avatar j-user-card">
<img alt='全栈程序员-站长的头像' src='https://javaforall.net/wp-content/uploads/2025/04/2025042212521933-300x300.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/> <span>全栈程序员-站长</span>
</a>
</div>
<span class="item-meta-li date">2021年6月3日</span>
<div class="item-meta-right">
<span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>122</span> </div>
</div>
</div>
</li>
</ul> </div>
<div id="comments" class="entry-comments">
<div id="respond" class="comment-respond">
<h3 id="reply-title" class="comment-reply-title">发表回复</h3><form action="https://javaforall.net/wp-comments-post.php" method="post" id="commentform" class="comment-form"><p class="comment-notes"><span id="email-notes">您的邮箱地址不会被公开。</span> <span class="required-field-message">必填项已用 <span class="required">*</span> 标注</span></p><div class="comment-form-comment"><textarea autocomplete="new-password" id="j265fd99e5" name="j265fd99e5" class="required" rows="4" placeholder="写下你的评论…"></textarea><textarea id="comment" aria-label="hp-comment" aria-hidden="true" name="comment" autocomplete="new-password" style="padding:0 !important;clip:rect(1px, 1px, 1px, 1px) !important;position:absolute !important;white-space:nowrap !important;height:1px !important;width:1px !important;overflow:hidden !important;" tabindex="-1"></textarea><script data-noptimize>document.getElementById("comment").setAttribute( "id", "a2cbcb2c0af3485a9d5f19f293d32355" );document.getElementById("j265fd99e5").setAttribute( "id", "comment" );</script><div class="comment-form-smile j-smilies" data-target="#comment"><i class="wpcom-icon wi smile-icon"><svg aria-hidden="true"><use xlink:href="#wi-emotion"></use></svg></i></div></div><div class="comment-form-author"><label for="author">昵称：</label><input id="author" name="author" type="text" value="" size="30"></div>
<div class="comment-form-email"><label for="email">邮箱：</label><input id="email" name="email" type="text" value=""></div>
<div class="comment-form-url"><label for="url">网址：</label><input id="url" name="url" type="text" value="" size="30"></div>
<label class="comment-form-cookies-consent"><input id="wp-comment-cookies-consent" name="wp-comment-cookies-consent" type="checkbox" value="yes"> 记住昵称、邮箱和网址，下次评论免输入</label>
<div class="form-submit"><button name="submit" type="submit" id="submit" class="wpcom-btn btn-primary btn-xs submit">提交</button> <input type='hidden' name='comment_post_ID' value='120362' id='comment_post_ID' />
<input type='hidden' name='comment_parent' id='comment_parent' value='0' />
</div></form> </div><!-- #respond -->
</div><!-- .comments-area -->
</article>
</main>
<aside class="sidebar">
<div class="widget widget_profile"><div class="profile-cover"><img class="j-lazy" src="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450.jpg" data-original="//javaforall.net/wp-content/uploads/2025/04/anthony-delanoix-urUdKCxsTUI-unsplash-1.webp" alt="全栈程序员-站长"></div> <div class="avatar-wrap">
<a target="_blank" href="https://javaforall.net/user-2/1" class="avatar-link"><img alt='全栈程序员-站长的头像' src='https://javaforall.net/wp-content/uploads/2025/04/2025042212521933-300x300.jpg' class='avatar avatar-120 photo' height='120' width='120' decoding='async'/></a></div>
<div class="profile-info">
<a target="_blank" href="https://javaforall.net/user-2/1" class="profile-name"><span class="author-name">全栈程序员-站长</span></a>
<p class="author-description">本网站汇聚当前互联网主流语音，持续更新，欢迎关注公众号“全栈程序员社区”</p>
<div class="profile-stats">
<div class="profile-stats-inner">
<div class="user-stats-item">
<b>133.5K</b>
<span>文章</span>
</div>
<div class="user-stats-item">
<b>3</b>
<span>粉丝</span>
</div>
</div>
</div>
<button type="button" class="wpcom-btn btn-xs btn-follow j-follow btn-primary" data-user="1"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-add"></use></svg></i>关注</button> </div>
<div class="profile-posts">
<h3 class="widget-title"><span>最近文章</span></h3>
<ul> <li><a href="https://javaforall.net/187078.html" title="考哪些证书国家有补贴_提交书证申请书范本">考哪些证书国家有补贴_提交书证申请书范本</a></li>
<li><a href="https://javaforall.net/187079.html" title="QTreeWidget讲解及节点操作">QTreeWidget讲解及节点操作</a></li>
<li><a href="https://javaforall.net/187080.html" title="simhash的应用范围_Simplorer">simhash的应用范围_Simplorer</a></li>
<li><a href="https://javaforall.net/187081.html" title="VMware虚拟机安装Ubuntu20.04详细图文教程[通俗易懂]">VMware虚拟机安装Ubuntu20.04详细图文教程[通俗易懂]</a></li>
<li><a href="https://javaforall.net/187082.html" title="linux卸载已安装的jdk_linux卸载tomcat">linux卸载已安装的jdk_linux卸载tomcat</a></li>
<li><a href="https://javaforall.net/187083.html" title="idea插件开发指南_idea get set插件">idea插件开发指南_idea get set插件</a></li>
<li><a href="https://javaforall.net/187084.html" title="数据可视化工具d3_前端3d可视化">数据可视化工具d3_前端3d可视化</a></li>
<li><a href="https://javaforall.net/187085.html" title="idea中edit configuration_pycharm和vim哪个好">idea中edit configuration_pycharm和vim哪个好</a></li>
<li><a href="https://javaforall.net/187086.html" title="matlab求解时滞微分方程「建议收藏」">matlab求解时滞微分方程「建议收藏」</a></li>
<li><a href="https://javaforall.net/187087.html" title="ftp工具哪个好用_iis搭建ftp服务器">ftp工具哪个好用_iis搭建ftp服务器</a></li>
</ul> </div>
</div><div class="widget widget_post_thumb"><h3 class="widget-title"><span>最新发布</span></h3> <ul>
<li class="item">
<div class="item-img">
<a class="item-img-inner" href="https://javaforall.net/187083.html" title="idea插件开发指南_idea get set插件">
<img class="j-lazy" src="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" data-original="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" width="480" height="300" alt="idea插件开发指南_idea get set插件"> </a>
</div>
<div class="item-content">
<p class="item-title"><a href="https://javaforall.net/187083.html" title="idea插件开发指南_idea get set插件">idea插件开发指南_idea get set插件</a></p>
<p class="item-date">2026年4月20日</p>
</div>
</li>
<li class="item">
<div class="item-img">
<a class="item-img-inner" href="https://javaforall.net/187085.html" title="idea中edit configuration_pycharm和vim哪个好">
<img class="j-lazy" src="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" data-original="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" width="480" height="300" alt="idea中edit configuration_pycharm和vim哪个好"> </a>
</div>
<div class="item-content">
<p class="item-title"><a href="https://javaforall.net/187085.html" title="idea中edit configuration_pycharm和vim哪个好">idea中edit configuration_pycharm和vim哪个好</a></p>
<p class="item-date">2026年4月20日</p>
</div>
</li>
<li class="item">
<div class="item-img">
<a class="item-img-inner" href="https://javaforall.net/187113.html" title="ideavim有什么用_intellij idea社区版">
<img class="j-lazy" src="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" data-original="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" width="480" height="300" alt="ideavim有什么用_intellij idea社区版"> </a>
</div>
<div class="item-content">
<p class="item-title"><a href="https://javaforall.net/187113.html" title="ideavim有什么用_intellij idea社区版">ideavim有什么用_intellij idea社区版</a></p>
<p class="item-date">2026年4月20日</p>
</div>
</li>
<li class="item">
<div class="item-img">
<a class="item-img-inner" href="https://javaforall.net/187141.html" title="IdeaVim 基本操作[通俗易懂]">
<img class="j-lazy" src="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" data-original="https://javaforall.net/wp-content/uploads/2020/11/2020110817443450-480x300.jpg" width="480" height="300" alt="IdeaVim 基本操作[通俗易懂]"> </a>
</div>
<div class="item-content">
<p class="item-title"><a href="https://javaforall.net/187141.html" title="IdeaVim 基本操作[通俗易懂]">IdeaVim 基本操作[通俗易懂]</a></p>
<p class="item-date">2026年4月20日</p>
</div>
</li>
</ul>
</div> </aside>
</div>
</div>
<footer class="footer">
<div class="container">
<div class="footer-col-wrap footer-with-logo-icon">
<div class="footer-col footer-col-logo">
<img src="http://javaforall.net/wp-content/uploads/2020/10/4545-头像.jpg" alt="全栈程序员必看">
</div>
<div class="footer-col footer-col-copy">
<ul class="footer-nav hidden-xs"><li id="menu-item-152" class="menu-item menu-item-152"><a href="https://javaforall.net/contact">联系我们</a></li>
</ul> <div class="copyright">
<p>Copyright ©2018-2025 版权所有 <a href="http://beian.miit.gov.cn" target="_blank" rel="nofollow noopener noreferrer">晋ICP备19011774号</a> Powered by 全栈程序员必看 <a href="/sitemap.xml" target="_blank" rel="noopener">网站地图</a></p>
</div>
</div>
<div class="footer-col footer-col-sns">
<div class="footer-sns">
<a class="sns-wx" href="javascript:;" aria-label="icon">
<i class="wpcom-icon fa fa-wechat sns-icon"></i> <span style="background-image:url('//javaforall.net/wp-content/uploads/2020/11/2020110814274114.jpg');"></span> </a>
</div>
</div>
</div>
</div>
</footer>
<div class="action action-style-0 action-color-1 action-pos-0" style="bottom:15%;">
<div class="action-item">
<i class="wpcom-icon fa fa-wechat action-item-icon"></i> <div class="action-item-inner action-item-type-1">
<img class="action-item-img" src="http://javaforall.net/wp-content/uploads/2020/11/2020110814274114.jpg" alt="关注全栈程序员社区公众号"> </div>
</div>
<div class="action-item gotop j-top">
<i class="wpcom-icon wi action-item-icon"><svg aria-hidden="true"><use xlink:href="#wi-arrow-up-2"></use></svg></i> </div>
</div>
<script type="speculationrules">
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"/*"},{"not":{"href_matches":["/wp-*.php","/wp-admin/*","/wp-content/uploads/*","/wp-content/*","/wp-content/plugins/*","/wp-content/themes/justnews/*","/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
</script>
<script type="text/javascript" id="main-js-extra">
/* <![CDATA[ */
var _wpcom_js = {"webp":"","ajaxurl":"https://javaforall.net/wp-admin/admin-ajax.php","theme_url":"https://javaforall.net/wp-content/themes/justnews","slide_speed":"5000","is_admin":"0","lang":"zh_CN","js_lang":{"share_to":"\u5206\u4eab\u5230:","copy_done":"\u590d\u5236\u6210\u529f\uff01","copy_fail":"\u6d4f\u89c8\u5668\u6682\u4e0d\u652f\u6301\u62f7\u8d1d\u529f\u80fd","confirm":"\u786e\u5b9a","qrcode":"\u4e8c\u7ef4\u7801","page_loaded":"\u5df2\u7ecf\u5230\u5e95\u4e86","no_content":"\u6682\u65e0\u5185\u5bb9","load_failed":"\u52a0\u8f7d\u5931\u8d25\uff0c\u8bf7\u7a0d\u540e\u518d\u8bd5\uff01","expand_more":"\u9605\u8bfb\u5269\u4f59 %s"},"lightbox":"1","post_id":"120362","user_card_height":"356","poster":{"notice":"\u8bf7\u300c\u70b9\u51fb\u4e0b\u8f7d\u300d\u6216\u300c\u957f\u6309\u4fdd\u5b58\u56fe\u7247\u300d\u540e\u5206\u4eab\u7ed9\u66f4\u591a\u597d\u53cb","generating":"\u6b63\u5728\u751f\u6210\u6d77\u62a5\u56fe\u7247...","failed":"\u6d77\u62a5\u56fe\u7247\u751f\u6210\u5931\u8d25"},"video_height":"482","fixed_sidebar":"1","dark_style":"0","font_url":"//fonts.proxy.ustclug.org/css2?family=Noto+Sans+SC:wght@400;500&display=swap","follow_btn":"\u003Ci class=\"wpcom-icon wi\"\u003E\u003Csvg aria-hidden=\"true\"\u003E\u003Cuse xlink:href=\"#wi-add\"\u003E\u003C/use\u003E\u003C/svg\u003E\u003C/i\u003E\u5173\u6ce8","followed_btn":"\u5df2\u5173\u6ce8","user_card":"1"};
//# sourceURL=main-js-extra
/* ]]> */
</script>
<script type="text/javascript" src="https://javaforall.net/wp-content/themes/justnews/js/main.js?ver=6.20.0" id="main-js"></script>
<script type="text/javascript" src="https://javaforall.net/wp-content/themes/justnews/themer/assets/js/icons-2.8.9.js?ver=2.8.9" id="wpcom-icons-js"></script>
<script type="text/javascript" id="wp-postviews-cache-js-extra">
/* <![CDATA[ */
var viewsCacheL10n = {"admin_ajax_url":"https://javaforall.net/wp-admin/admin-ajax.php","nonce":"5a507e0a05","post_id":"120362"};
//# sourceURL=wp-postviews-cache-js-extra
/* ]]> */
</script>
<script type="text/javascript" src="https://javaforall.net/wp-content/plugins/wp-postviews/postviews-cache.js?ver=1.78" id="wp-postviews-cache-js"></script>
<script type="text/javascript" id="wpcom-member-js-extra">
/* <![CDATA[ */
var _wpmx_js = {"ajaxurl":"https://javaforall.net/wp-admin/admin-ajax.php","plugin_url":"https://javaforall.net/wp-content/plugins/wpcom-member/","max_upload_size":"52428800","post_id":"120362","js_lang":{"login_desc":"\u60a8\u8fd8\u672a\u767b\u5f55\uff0c\u8bf7\u767b\u5f55\u540e\u518d\u8fdb\u884c\u76f8\u5173\u64cd\u4f5c\uff01","login_title":"\u8bf7\u767b\u5f55","login_btn":"\u767b\u5f55","reg_btn":"\u6ce8\u518c"},"login_url":"https://javaforall.net/login?modal-type=login","register_url":"https://javaforall.net/register?modal-type=register","errors":{"require":"\u4e0d\u80fd\u4e3a\u7a7a","email":"\u8bf7\u8f93\u5165\u6b63\u786e\u7684\u7535\u5b50\u90ae\u7bb1","pls_enter":"\u8bf7\u8f93\u5165","password":"\u5bc6\u7801\u5fc5\u987b\u4e3a6~32\u4e2a\u5b57\u7b26","passcheck":"\u4e24\u6b21\u5bc6\u7801\u8f93\u5165\u4e0d\u4e00\u81f4","phone":"\u8bf7\u8f93\u5165\u6b63\u786e\u7684\u624b\u673a\u53f7\u7801","terms":"\u8bf7\u9605\u8bfb\u5e76\u540c\u610f\u6761\u6b3e","sms_code":"\u9a8c\u8bc1\u7801\u9519\u8bef","captcha_verify":"\u8bf7\u70b9\u51fb\u6309\u94ae\u8fdb\u884c\u9a8c\u8bc1","captcha_fail":"\u4eba\u673a\u9a8c\u8bc1\u5931\u8d25\uff0c\u8bf7\u91cd\u8bd5","nonce":"\u968f\u673a\u6570\u6821\u9a8c\u5931\u8d25","req_error":"\u8bf7\u6c42\u5931\u8d25"}};
//# sourceURL=wpcom-member-js-extra
/* ]]> */
</script>
<script type="text/javascript" src="https://javaforall.net/wp-content/plugins/wpcom-member/js/index.js?ver=1.7.19" id="wpcom-member-js"></script>
<script type="text/javascript" id="QAPress-js-js-extra">
/* <![CDATA[ */
var QAPress_js = {"ajaxurl":"https://javaforall.net/wp-admin/admin-ajax.php","ajaxloading":"https://javaforall.net/wp-content/plugins/qapress/images/loading.gif","max_upload_size":"2097152","compress_img_size":"0","lang":{"delete":"\u5220\u9664","nocomment":"\u6682\u65e0\u56de\u590d","nocomment2":"\u6682\u65e0\u8bc4\u8bba","addcomment":"\u6211\u6765\u56de\u590d","submit":"\u53d1\u5e03","loading":"\u6b63\u5728\u52a0\u8f7d...","error1":"\u53c2\u6570\u9519\u8bef\uff0c\u8bf7\u91cd\u8bd5","error2":"\u8bf7\u6c42\u5931\u8d25\uff0c\u8bf7\u7a0d\u540e\u518d\u8bd5\uff01","confirm":"\u5220\u9664\u64cd\u4f5c\u65e0\u6cd5\u6062\u590d\uff0c\u5e76\u5c06\u540c\u65f6\u5220\u9664\u5f53\u524d\u56de\u590d\u7684\u8bc4\u8bba\u4fe1\u606f\uff0c\u60a8\u786e\u5b9a\u8981\u5220\u9664\u5417\uff1f","confirm2":"\u5220\u9664\u64cd\u4f5c\u65e0\u6cd5\u6062\u590d\uff0c\u60a8\u786e\u5b9a\u8981\u5220\u9664\u5417\uff1f","confirm3":"\u5220\u9664\u64cd\u4f5c\u65e0\u6cd5\u6062\u590d\uff0c\u5e76\u5c06\u540c\u65f6\u5220\u9664\u5f53\u524d\u95ee\u9898\u7684\u56de\u590d\u8bc4\u8bba\u4fe1\u606f\uff0c\u60a8\u786e\u5b9a\u8981\u5220\u9664\u5417\uff1f","deleting":"\u6b63\u5728\u5220\u9664...","success":"\u64cd\u4f5c\u6210\u529f\uff01","denied":"\u65e0\u64cd\u4f5c\u6743\u9650\uff01","error3":"\u64cd\u4f5c\u5f02\u5e38\uff0c\u8bf7\u7a0d\u540e\u518d\u8bd5\uff01","empty":"\u5185\u5bb9\u4e0d\u80fd\u4e3a\u7a7a","submitting":"\u6b63\u5728\u63d0\u4ea4...","success2":"\u63d0\u4ea4\u6210\u529f\uff01","ncomment":"0\u6761\u8bc4\u8bba","login":"\u62b1\u6b49\uff0c\u60a8\u9700\u8981\u767b\u5f55\u624d\u80fd\u8fdb\u884c\u56de\u590d","error4":"\u63d0\u4ea4\u5931\u8d25\uff0c\u8bf7\u7a0d\u540e\u518d\u8bd5\uff01","need_title":"\u8bf7\u8f93\u5165\u6807\u9898","need_cat":"\u8bf7\u9009\u62e9\u5206\u7c7b","need_content":"\u8bf7\u8f93\u5165\u5185\u5bb9","success3":"\u66f4\u65b0\u6210\u529f\uff01","success4":"\u53d1\u5e03\u6210\u529f\uff01","need_all":"\u6807\u9898\u3001\u5206\u7c7b\u548c\u5185\u5bb9\u4e0d\u80fd\u4e3a\u7a7a","length":"\u5185\u5bb9\u957f\u5ea6\u4e0d\u80fd\u5c11\u4e8e10\u4e2a\u5b57\u7b26","load_done":"\u56de\u590d\u5df2\u7ecf\u5168\u90e8\u52a0\u8f7d","load_fail":"\u52a0\u8f7d\u5931\u8d25\uff0c\u8bf7\u7a0d\u540e\u518d\u8bd5\uff01","load_more":"\u70b9\u51fb\u52a0\u8f7d\u66f4\u591a","approve":"\u786e\u5b9a\u8981\u5c06\u5f53\u524d\u95ee\u9898\u8bbe\u7f6e\u4e3a\u5ba1\u6838\u901a\u8fc7\u5417\uff1f","end":"\u5df2\u7ecf\u5230\u5e95\u4e86","upload_fail":"\u56fe\u7247\u4e0a\u4f20\u51fa\u9519\uff0c\u8bf7\u7a0d\u540e\u518d\u8bd5\uff01","file_types":"\u4ec5\u652f\u6301\u4e0a\u4f20jpg\u3001png\u3001gif\u683c\u5f0f\u7684\u56fe\u7247\u6587\u4ef6","file_size":"\u56fe\u7247\u5927\u5c0f\u4e0d\u80fd\u8d85\u8fc72M","uploading":"\u6b63\u5728\u4e0a\u4f20...","upload":"\u63d2\u5165\u56fe\u7247"}};
//# sourceURL=QAPress-js-js-extra
/* ]]> */
</script>
<script type="text/javascript" src="https://javaforall.net/wp-content/plugins/qapress/js/qa.js?ver=4.10.2" id="QAPress-js-js"></script>
<script type="text/javascript" src="https://javaforall.net/wp-content/themes/justnews/js/wp-embed.js?ver=6.20.0" id="wp-embed-js"></script>
<script type="text/javascript" src="https://javaforall.net/wp-content/plugins/baidu-submit/assets/baidu_push.js" id="wb-baidu-push-js"></script>
<script>
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "https://hm.baidu.com/hm.js?2f4d2b9bcf94270f8bf99ccde97cb4b9";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "Article",
"@id": "https://javaforall.net/120362.html",
"url": "https://javaforall.net/120362.html",
"headline": "编写高性能SQL",
"description": "前言:系统优化中一个很重要的方面就是SQL语句的优化。对于海量数据，劣质SQL语句和优质SQL语句之间的速度差别可达到上百倍，可见对于一个系统不是简单的能实现其功能就可以了，而是要写出高质量的SQL语",
"datePublished": "2021-12-26T23:00:00+08:00",
"dateModified": "2021-12-26T23:00:00+08:00",
"author": {"@type":"Person","name":"全栈程序员-站长","url":"https://javaforall.net/user-2/1","image":"//javaforall.net/wp-content/uploads/2025/04/2025042212371781.jpeg"} }
</script>
</body>
</html>
