目錄
自己动手,丰衣足食.,自己动手丰衣足食
首頁 後端開發 php教程 自己动手,丰衣足食.,自己动手丰衣足食_PHP教程

自己动手,丰衣足食.,自己动手丰衣足食_PHP教程

Jul 13, 2016 am 10:11 AM
詩句

自己动手,丰衣足食.,自己动手丰衣足食

时下grunt非常的火啊,用着虽然很爽,但是它的配置确实很烦。如果之前没有用过,想要一下子熟练驾驭它,有一定的学习成本,而且还要装node这个大家伙,项目之初我们选择了compiler.jar这个轻量的工具进行打包。我一直在寻思着,如何编写一键打包工具。之前呢是手工的拼接好有的js文件,做成符合compiler.jar打包文件所要求的批处理文件,然后运行这个批处理,生成我们需要的js和css文件。随着js文件数量的增长,纯手工拼接这些文件的地址就变得非常考验人的耐心了,而且还容易漏掉或重复某些文件,于是“一键打包工具”的编写就变得刻不容缓了。下面是一个真实的index.html文件的一部分:

<span><span><!</span><span>DOCTYPE html</span><span>></span>
<span><</span><span>html</span><span>></span>
<span><</span><span>head</span><span>></span>
    <span><</span><span>meta </span><span>charset</span><span>="utf-8"</span><span>></span>
    <span><</span><span>meta </span><span>http-equiv</span><span>="X-UA-Compatible"</span><span> content</span><span>="IE=edge,chrome=1"</span><span>></span>
    <span><</span><span>meta </span><span>name</span><span>="viewport"</span><span> content</span><span>="target-densitydpi=device-dpi, initial-scale=1, user-scalable=0, maximum-scale=1"</span><span>></span>
     <span><!--</span><span>隐藏浏览器的工具栏和菜单栏,对iso系统起用</span><span>--></span>
    <span><!--用于<strong>PC上</strong>调式,不参与合并压缩</span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/data/database.js"</span><span> name</span><span>="noBuild"</span><span>></</span><span>script</span><span>></span>
    <span><!--</span><span>Iframe加载处理</span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/LoadMode.js"</span><span>></</span><span>script</span><span>></span>

    <span><</span><span>script </span><span>src</span><span>="lib/core/jQuery.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/core/underscore.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/SVGIcons/snap.min.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/pixi.js"</span><span>></</span><span>script</span><span>></span>

    <span><</span><span>script </span><span>src</span><span>="lib/core/Xut.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/core/isMobile.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/core/aaronRequire.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/core/nextTick.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/Config.js"</span><span>></</span><span>script</span><span>></span>

    <span><</span><span>script </span><span>src</span><span>="lib/core/lang/Object.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/core/lang/Function.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/core/lang/Array.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/core/video.js"</span><span>></</span><span>script</span><span>></span>

    <span><!--</span><span> 自定义事件,合集处理,iframe通讯 </span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/core/event/asEvented.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/core/message/pms.js"</span><span>></</span><span>script</span><span>></span>

    <span><!--</span><span>插件</span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/cordova.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/readAssetsFilePlugin.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/initDatabase.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/web.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/video.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/openAppPlugin.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/tabletPlugin.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/statusbar.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/iap.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/AppStoreLink.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/downloadPlugin.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/xxteManager.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/unzipPlugin.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/readPlugin.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/plugin/deletePlugin.js"</span><span>></</span><span>script</span><span>></span>
    <span><!--</span><span> 动画库 </span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/TweenMax.min.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/plugins/ThrowPropsPlugin.min.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/PptAnimation.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/CanvasAnimation.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/dragdrop/Draggable.min.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/dragdrop/dragdrop.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/iscroll.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/hammer.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/SVGIcons/svgicons-config.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/SVGIcons/svgicons.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/animate/SpriteA.js"</span><span>></</span><span>script</span><span>></span>

    <span><</span><span>script </span><span>src</span><span>="lib/util/Utils.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/util/LocalStorage.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/util/ScriptLoad.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/util/ExecuteSql.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/util/PromptNotice.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/util/edge.js"</span><span>></</span><span>script</span><span>></span>

    <span><!--</span><span> 配置文件,数据文件,结构文件 </span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/data/Store.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/data/StoreManager.js"</span><span>></</span><span>script</span><span>></span>

    <span><!--</span><span> 数据初始化 </span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/Main.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/Initialize.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/scenario/SceneLayout.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/scenario/SceneFactory.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/scenario/SceneController.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/LoadScene.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/Dispatcher.js"</span><span>></</span><span>script</span><span>></span>

    <span><!--</span><span> 工具栏 </span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/toolbar/Navbar.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/toolbar/sToolbar.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/toolbar/fToolbar.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/toolbar/searchBar.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/toolbar/bookMark.js"</span><span>></</span><span>script</span><span>></span>

    <span><!--</span><span> 多线程任务片 </span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/threadTask/Buffer.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/threadTask/TaskContents.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/threadTask/TaskComponents.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/threadTask/TaskBackground.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/threadTask/TaskContainer.js"</span><span>></</span><span>script</span><span>></span>

    <span><</span><span>script </span><span>src</span><span>="lib/pageBase/Parser.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/pageBase/Collection.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/pageBase/MultiEvent.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/pageBase/PageBase.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/pageBase/Page.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/pageBase/Master.js"</span><span>></</span><span>script</span><span>></span>


    <span><!--</span><span> 页面管理模块 </span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/controller/transform/Translation.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/controller/OverrideApi.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/controller/Abstract.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/controller/Emitter.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/controller/PageMgr.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/controller/MasterMgr.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/controller/Compiler.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/controller/ViewModel.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/controller/SwitchPage.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/controller/EventDrive.js"</span><span>></</span><span>script</span><span>></span>

    <span><!--</span><span>热点管理</span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/scheduler/AssignAutoRun.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/scheduler/AssignTrigger.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/scheduler/AssignSuspend.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/scheduler/AssignOriginal.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/scheduler/AssignRecovery.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/scheduler/ProcessControl.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/scheduler/Binding.js"</span><span>></</span><span>script</span><span>></span>

    <span><!--</span><span> 适配器,用于处理热点 </span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/directives/dir-Content.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/directives/dir-Widget.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/directives/dir-Media.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/directives/dir-Action.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/directives/dir-ShowNote.js"</span><span>></</span><span>script</span><span>></span>

     <span><!--</span><span>多媒体对象 </span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/component/media/Audio.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/component/media/Video.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/component/media/AudioManager.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/component/media/VideoManager.js"</span><span>></</span><span>script</span><span>></span>

    <span><!--</span><span>文本热点</span><span>--></span>
    <span><</span><span>script </span><span>src</span><span>="lib/component/content/conFilter.js"</span><span>></</span><span>script</span><span>></span>
    <span><</span><span>script </span><span>src</span><span>="lib/component/content/conAlgorithm.js"</span><span>></</span><span>script</span><span>></span>
<br /></span>
登入後複製

后面还有很长,bug,活人不能被尿憋死,办法总比问题多。我是会一点php的,php在处理文件方面是很拿手的,是时候让它发挥点作用了。于是我想到了用php去自动提出index里边的js和css,然后按指定的格式生成批处理文件,在后台用静默方式运行这个批处理,最后把结果返回给显示器。这样我就可以坐享其成了。想想都有点小激动哟,于是简单的写了一个界面.

接下来就是实现功能了,先不着急编写代码,分析下需求:

1. 遍历index.html文件,提取js文件或css文件.

2. 对这文件进行过虑,因为有些是注释掉的,有些是调式用的。

3. 生成对应的批处理文件

4. 执行批处理文件

5. 显示处理结果

即然有两种情况,我就用一个工厂模式来适配,方便以后扩展其它类型,目光要放长远一点。即然工厂都有了,那索性再来一个接口,约定都必需要实现“接收请求”和“输出结果”这两个接口。再想想处理js和css都可能会有相同的功能,让它们继承一个父类可以使代码复用,于是继承也先用上。目前的设计应当可以满足我的要求了,于是开始编写php代码.

<?<span>php
</span><span>header</span>("Content-type: text/html; charset=utf-8"<span>);

</span><span>/*</span><span>*
 * 根据index.html文件中引用的js,生成compressJs.bat
 * @author frog <278500368@qq.com>
 * @date 2014-11-17
 </span><span>*/</span>

<span>interface</span><span> ICompress {
    </span><span>/*</span><span>*
     * 处理用户请求
     * @return [type] [description]
     </span><span>*/</span>
    <span>public</span> <span>function</span><span> request();

    </span><span>/*</span><span>*
     * 处理输出结果
     * @return [type] [description]
     </span><span>*/</span>
    <span>public</span> <span>function</span><span> render();
}

</span><span>class</span><span> BaseCompress {
    </span><span>public</span> <span>$content</span><span>;
    </span><span>public</span> <span>$outPath</span><span>;
    </span><span>public</span> <span>$isAuto</span><span>;

    </span><span>public</span> <span>function</span> __construct(<span>$isAuto</span>=<span>false</span><span>){
        </span><span>$outPath</span> = '_file'<span>;
        </span><span>if</span>(!<span>is_dir</span>(<span>$outPath</span><span>)){
            </span><span>mkdir</span>(<span>$outPath</span><span>);
        }
        </span><span>$this</span>->outPath = <span>$outPath</span><span>;
        </span><span>$this</span>->isAuto = <span>$isAuto</span><span>;
    }


    </span><span>/*</span><span>*
     * 运行批处理
     * @return [type] [description]
     </span><span>*/</span>
    <span>public</span> <span>function</span> runBat(<span>$name</span><span>){

    }
}

</span><span>/*</span><span>*
 * 压缩javascript文件
 * 合并javascript文件
 </span><span>*/</span>
<span>class</span> CompressJS <span>extends</span> BaseCompress <span>implements</span><span> ICompress {

    </span><span>/*</span><span>*
     * 处理用户请求
     * @return [type] [description]
     </span><span>*/</span>
    <span>public</span> <span>function</span><span> request(){

    }

    </span><span>/*</span><span>*
     * 处理输出结果
     * @return [type] [description]
     </span><span>*/</span>
        <span>public</span> <span>function</span><span> render(){}

}

</span><span>/*</span><span>*
 * 压缩样式文件
 </span><span>*/</span>
<span>class</span> CompressCSS <span>extends</span> BaseCompress <span>implements</span><span> ICompress {

    </span><span>public</span> <span>function</span><span> request(){
 
    }

    </span><span>/*</span><span>*
     * 处理输出结果
     * @return [type] [description]
     </span><span>*/</span>
         <span>public</span> <span>function</span><span> render(){}
     
}

</span><span>/*</span><span>*
 * 工厂类
 </span><span>*/</span>
<span>class</span><span> Factory {

    </span><span>public</span> <span>static</span> <span>function</span> create(<span>$type</span>,<span>$isAuto</span><span>){
        </span><span>$ob</span> = <span>null</span><span>;
        </span><span>switch</span> (<span>$type</span><span>) {
            </span><span>case</span> 'js':
                <span>$ob</span> = <span>new</span> CompressJS(<span>$isAuto</span><span>);
                </span><span>break</span><span>;
            </span><span>case</span> 'css':
                <span>$ob</span> = <span>new</span> CompressCSS(<span>$isAuto</span><span>);
                </span><span>break</span><span>;
            </span><span>default</span>:
                <span>#</span><span> code...</span>
                <span>break</span><span>;
        }
        </span><span>return</span> <span>$ob</span><span>;
    }
}</span>
登入後複製

然后是调用处理:

<span>//</span><span>处理ajax请求</span>
<span>if</span>(<span>isset</span>(<span>$_POST</span>['submit'<span>])){
    </span><span>//</span><span>是否自动执行批处理</span>
    <span>$isAuto</span> = <span>$_POST</span>['zip'] === 'true' ? <span>true</span> : <span>false</span><span>;
    </span><span>//</span><span>处理类型</span>
    <span>$type</span> = <span>$_POST</span>['type'<span>];

    </span><span>$c</span> = Factory::create(<span>$type</span>,<span>$isAuto</span><span>);<br />
    //接口方法
    </span><span>$c</span>-><span>request();
    </span><span>$c</span>-><span>render();

}</span><span>else</span><span>{
    </span><span>echo</span> '请使用静态页访问本程序:<a href="index.html">点此进入</a>'<span>;
}</span>
登入後複製

大致的骨架就出来了。具体的填码过程就比较简单了。稍微有点难度的就是执行批处理这个一方法.

是网上提供的方法,以后可能用的上,这里特意贴一下:

<span>public</span> <span>function</span> runBat(<span>$name</span><span>){
        </span><span>if</span>(!<span>file_exists</span>(<span>$name</span>) || !<span>$this</span>-><span>isAuto){
            </span><span>return</span><span>;
        }
        </span><span>//</span><span>转入后台处理</span>
        @<span>exec</span>(<span>pclose</span>(<span>popen</span>("start /B ". <span>escapeshellcmd</span>(<span>$name</span>), "r"<span>)));
    }</span>
登入後複製

在前面的index.html中,有一个name="noBuild"这个是我人为添加的,这是因为我要过滤这种标识的js文件,这样以后要过滤别的文件,也只要添加这个标识就可以了,不用改php代码。由于是内部使用,没有做表单项来指定工程的路径,默认就是index.html所处的上级目录即为工程目录。这样设计简化了操作,提高了效率。

关于遍历特定的文件,我推荐glob函数,很简洁的方案:

<span>$files</span> = <span>glob</span>(<span>$path</span>.'/*.css',GLOB_NOSORT);
登入後複製

下面是工程目录结构图:

再来一张运行效果图:

最后是处理结果图:

终于不用写grunt的配置和安装node这个家伙了,再也不担心更新的时候,从svn上拉下来一堆node的东西,是时候和它们说再见了:

好像忘了展示前端代码了:

<span>/*</span><span>*
 * 选项卡类
 * @param {string} id 选项卡的ID
 </span><span>*/</span>
<span>function</span><span> Tabs(id){
    </span><span>var</span> node = document.querySelector('#'+<span>id);
    </span><span>var</span> selected = node.querySelector('.selected'<span>);
    </span><span>this</span>.selected =<span> selected;
    </span><span>this</span>.node =<span> node;
    </span><span>this</span><span>.bindEvent();
}

</span><span>/*</span><span>*
 * 切换选项卡
 * @param  {object} event 事件
 * @return {[type]}   [description]
 </span><span>*/</span><span>
Tabs.prototype.change </span>= <span>function</span><span>(event){
    </span><span>var</span> element =<span> event.target;
    </span><span>if</span>(element.tagName.toLowerCase()=='li'<span>){
        </span><span>if</span>(element.className=='selected'<span>){
            </span><span>return</span><span>;
        }
    }</span><span>else</span><span>{
        </span><span>while</span>(element != <span>this</span><span>.node){
            element </span>=<span> element.parentNode;
            </span><span>if</span>(element.tagName.toLowerCase()=='li'<span>){
                </span><span>break</span><span>;
            }
        }
        </span><span>if</span>(element == <span>this</span>.node) <span>return</span><span>;
    }
    </span><span>this</span>.selected.removeAttribute('class'<span>);
    element.className </span>= 'selected'<span>;
    </span><span>this</span>.selected =<span> element;
    </span><span>this</span><span>.content();
}

Tabs.prototype.content </span>= <span>function</span><span>(){
  </span><span>var</span> form =<span> document.form1;

    </span><span>switch</span>(<span>this</span><span>.getTabType()){
      </span><span>case</span> 'js'<span>:
        form.style.display </span>= 'block'<span>;
        form.children[</span>0].innerHTML = '自动压缩JS'<span>;
        </span><span>break</span><span>;
      </span><span>case</span> 'css'<span>:
        form.style.display </span>= 'block'<span>;
        form.children[</span>0].innerHTML = '自动压缩CSS'<span>;
        </span><span>break</span><span>;
      </span><span>default</span><span>:
    }
}</span>
登入後複製

 

会前端和后端,就是这么任性。轻轻一点,告别烦恼!造自己的工具,让别人去苦逼吧,So easy!

 

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/927949.htmlTechArticle自己动手,丰衣足食.,自己动手丰衣足食 时下grunt非常的火啊,用着虽然很爽,但是它的配置确实很烦。如果之前没有用过,想要一下子熟...
本網站聲明
本文內容由網友自願投稿,版權歸原作者所有。本站不承擔相應的法律責任。如發現涉嫌抄襲或侵權的內容,請聯絡admin@php.cn

熱AI工具

Undresser.AI Undress

Undresser.AI Undress

人工智慧驅動的應用程序,用於創建逼真的裸體照片

AI Clothes Remover

AI Clothes Remover

用於從照片中去除衣服的線上人工智慧工具。

Undress AI Tool

Undress AI Tool

免費脫衣圖片

Clothoff.io

Clothoff.io

AI脫衣器

Video Face Swap

Video Face Swap

使用我們完全免費的人工智慧換臉工具,輕鬆在任何影片中換臉!

熱工具

記事本++7.3.1

記事本++7.3.1

好用且免費的程式碼編輯器

SublimeText3漢化版

SublimeText3漢化版

中文版,非常好用

禪工作室 13.0.1

禪工作室 13.0.1

強大的PHP整合開發環境

Dreamweaver CS6

Dreamweaver CS6

視覺化網頁開發工具

SublimeText3 Mac版

SublimeText3 Mac版

神級程式碼編輯軟體(SublimeText3)

在PHP API中說明JSON Web令牌(JWT)及其用例。 在PHP API中說明JSON Web令牌(JWT)及其用例。 Apr 05, 2025 am 12:04 AM

JWT是一種基於JSON的開放標準,用於在各方之間安全地傳輸信息,主要用於身份驗證和信息交換。 1.JWT由Header、Payload和Signature三部分組成。 2.JWT的工作原理包括生成JWT、驗證JWT和解析Payload三個步驟。 3.在PHP中使用JWT進行身份驗證時,可以生成和驗證JWT,並在高級用法中包含用戶角色和權限信息。 4.常見錯誤包括簽名驗證失敗、令牌過期和Payload過大,調試技巧包括使用調試工具和日誌記錄。 5.性能優化和最佳實踐包括使用合適的簽名算法、合理設置有效期、

會話如何劫持工作,如何在PHP中減輕它? 會話如何劫持工作,如何在PHP中減輕它? Apr 06, 2025 am 12:02 AM

會話劫持可以通過以下步驟實現:1.獲取會話ID,2.使用會話ID,3.保持會話活躍。在PHP中防範會話劫持的方法包括:1.使用session_regenerate_id()函數重新生成會話ID,2.通過數據庫存儲會話數據,3.確保所有會話數據通過HTTPS傳輸。

描述紮實的原則及其如何應用於PHP的開發。 描述紮實的原則及其如何應用於PHP的開發。 Apr 03, 2025 am 12:04 AM

SOLID原則在PHP開發中的應用包括:1.單一職責原則(SRP):每個類只負責一個功能。 2.開閉原則(OCP):通過擴展而非修改實現變化。 3.里氏替換原則(LSP):子類可替換基類而不影響程序正確性。 4.接口隔離原則(ISP):使用細粒度接口避免依賴不使用的方法。 5.依賴倒置原則(DIP):高低層次模塊都依賴於抽象,通過依賴注入實現。

在PHPStorm中如何進行CLI模式的調試? 在PHPStorm中如何進行CLI模式的調試? Apr 01, 2025 pm 02:57 PM

在PHPStorm中如何進行CLI模式的調試?在使用PHPStorm進行開發時,有時我們需要在命令行界面(CLI)模式下調試PHP�...

PHP 8.1中的枚舉(枚舉)是什麼? PHP 8.1中的枚舉(枚舉)是什麼? Apr 03, 2025 am 12:05 AM

PHP8.1中的枚舉功能通過定義命名常量增強了代碼的清晰度和類型安全性。 1)枚舉可以是整數、字符串或對象,提高了代碼可讀性和類型安全性。 2)枚舉基於類,支持面向對象特性,如遍歷和反射。 3)枚舉可用於比較和賦值,確保類型安全。 4)枚舉支持添加方法,實現複雜邏輯。 5)嚴格類型檢查和錯誤處理可避免常見錯誤。 6)枚舉減少魔法值,提升可維護性,但需注意性能優化。

如何在系統重啟後自動設置unixsocket的權限? 如何在系統重啟後自動設置unixsocket的權限? Mar 31, 2025 pm 11:54 PM

如何在系統重啟後自動設置unixsocket的權限每次系統重啟後,我們都需要執行以下命令來修改unixsocket的權限:sudo...

解釋PHP中的晚期靜態綁定(靜態::)。 解釋PHP中的晚期靜態綁定(靜態::)。 Apr 03, 2025 am 12:04 AM

靜態綁定(static::)在PHP中實現晚期靜態綁定(LSB),允許在靜態上下文中引用調用類而非定義類。 1)解析過程在運行時進行,2)在繼承關係中向上查找調用類,3)可能帶來性能開銷。

See all articles