详解七牛云存储以及融合CDN加速
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<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">针对</span>网站上的资源，<span style="color: black;">例如</span><span style="color: black;">照片</span>，音视频，以及CSS、JS等静态文件<span style="color: black;">能够</span><span style="color: black;">运用</span>融合CDN加速，<span style="color: black;">加强</span>页面<span style="color: black;">拜访</span>速度与资源加载速度。</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/7882e4bfb0014bc9b2b140827f433bf9~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729479267&x-signature=LxMVvizH5gZgtHvIQmthQegpINM%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">一样</span>是对网站做加速，但<span style="color: black;">按照</span><span style="color: black;">需要</span><span style="color: black;">通常</span>分为两种<span style="color: black;">状况</span>：</p>情景一：<span style="color: black;">同期</span><span style="color: black;">运用</span>七牛云的加速服务以及存储服务
情景二：只<span style="color: black;">运用</span>七牛云的加速服务，资源还是在自己的本地存储
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/c172ddbd32a745d4ab0ea094df090980~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729479267&x-signature=R8EOf2ZjTbT%2BiATrafNgUm%2FHqaE%3D" style="width: 50%; margin-bottom: 20px;"></div>
<h1 style="color: black; text-align: left; margin-bottom: 10px;"><strong style="color: blue;">情景一: <span style="color: black;">同期</span>使用七牛云的加速服务以及存储服务</strong></h1>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/702897a8ee7d47e2870c07101c40d1d9~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729479267&x-signature=kbxhyEhu4QSt3uQKtEhFVi1H%2Bn0%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">示意图 1</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">添加资源空间：</strong></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/32a7d2af6c8b43b1bab4594ff08a522e~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729479267&x-signature=YR%2BkPKPAhmaX8vuFL5tWspZ27SU%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">添加加速域名：</strong></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/1c2fcc2d70af43f8b798973d2ab2dc6e~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729479267&x-signature=tP%2FvxV5MnnS1%2FN6h2HmDG26wu24%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">选取</span>资源池：</strong></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/b157e0357a93498ba92f2893cf91034d~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729479267&x-signature=WgKQGYn3dymHGtF1oDxWHsEJBcA%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">做CNAME解析：</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">将加速域名解析到指定的CNAME。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">同步资源文件（<span style="color: black;">选取</span>镜像存储<span style="color: black;">或</span>上传文件）：</strong></p>做镜像存储<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/f2de8b6003304d928f216b3aea1db79b~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729479267&x-signature=z1hCl%2BEOeeeuvcqhb%2Bz5cgUPzOs%3D" style="width: 50%; margin-bottom: 20px;"></div>上传文件<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/0c42658eac8e4a92a1a7725a4e9cc602~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729479267&x-signature=PyHvWenDc6EI9EWUZGg5SebD6XU%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">重视</span>：</strong></p>加速域名<span style="color: black;">便是</span>需要进行加速的域名，<span style="color: black;">然则</span>这个加速域名的解析<span style="color: black;">位置</span>需要<span style="color: black;">指的是</span>定的CNAME。“加速域名”以及“镜像源”的<span style="color: black;">位置</span>需要是两个<span style="color: black;">区别</span>的指向，当加速域名解析完成之后，客户端<span style="color: black;">拜访</span>加速域名的时候会从七牛的存储空间拉取资源，此时<span style="color: black;">倘若</span>自己的七牛空间里面为空会<span style="color: black;">表示</span>“error:Document not found”，未找到对应的资源。<span style="color: black;">因此</span>需要进行设置镜像存储<span style="color: black;">或</span>上传文件到资源空间。<span style="color: black;">针对</span>镜像源资源（文件/<span style="color: black;">照片</span>等），会<span style="color: black;">按照</span>初次<span style="color: black;">拜访</span>镜像源自动同步到七牛云存储，数据平滑迁移。设置镜像存储之后直接<span style="color: black;">拜访</span>镜像源，<span style="color: black;">就可</span>将数据同步到七牛云。最后<span style="color: black;">经过</span><span style="color: black;">拜访</span>生成的外链来静态资源来做加速。<h1 style="color: black; text-align: left; margin-bottom: 10px;"><strong style="color: blue;">情景二：cdn源站直接指向自己域名</strong></h1>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/b042a943b0784df980515a4e22d34cab~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729479267&x-signature=G2q7FlBykDH85VEcLU%2FrbT4avWQ%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">示意图 2</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">修改回源配置里面的<span style="color: black;">基本</span>设置为源站域名：</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/8c5652097bb14a8f92dbbea0e8841787~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729479267&x-signature=g7Fve%2BLG4SYmsI0yYCr8YWRHpSU%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">重视</span>：</strong></p>源站域名是自己项目的源站，<span style="color: black;">例如</span>配置一个二级域名<span style="color: black;">做为</span>源站域名。回源HOST是自己的加速域名。客户端<span style="color: black;">拜访</span>时候从客户的源站拉取资源<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">例子：</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">源站是域名，源站为 cdn.a.com ，回源 HOST 为 www.a.com 。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">那样</span><span style="color: black;">实质</span>回源是请求到 cdn.a.com 解析到的资源 ，对应加速域名 www.a.com 。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">弥补</span>：</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">在wordpress中启用七牛CDN后, 网站静态文件会被镜像到七牛来，<span style="color: black;">然则</span>修改过之后七牛不会重新去源站取，缓存不会更新，需要去资源池手工删除这个 css 文件后七牛才会重新把它镜像过来。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">在新版的 wordpress 插件中，<span style="color: black;">已然</span>有了清除缓存的界面了，插件：WPJAM Basic 传送门：</p>https://wordpress.org/plugins/wpjam-basic/
<h1 style="color: black; text-align: left; margin-bottom: 10px;"><strong style="color: blue;">加速验证：</strong></h1>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">配置完成之后ping一下自己的加速域名,<span style="color: black;">能够</span>看到ip节点来自七牛云CDN。</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/004abbd0a85c4c89910ee6309a45e453~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1729479267&x-signature=ieydK0FrI3Pye%2FsO%2Bo05xnZFsUM%3D" style="width: 50%; margin-bottom: 20px;"></div>
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