约62%网络内容由图片组成优化加速媒体丰富网站加载快速加载网站令访客欢乐 通常会提高转换率
文章教您如何优化 Python编程语言图像
三大原因说明优化网站图像很重要:
- SEO:网站速度是一个关键排名和接战因素,即网站加载时间和总体大小直接影响到搜索引擎排名优化图像总能加速网站加载
- 存储器 :优化图像生成小文件,从而减少存储空间
- 带宽度 :优化图像省数据带宽并相应降低托管成本和访问者数据使用
Python图像优化方式如下:
- 带Pillow扩展 Python成像库Pillow工作多图像格式,包括PNG、JPEG、PMM、GIF、TIFF和BMP
- 带Ing4webPython脚本优化JPEGs、PNGs并动画网络GI脚本产生无损和略微压缩图像,但会减少加载时间和带宽
- 带smush.pyPython命令行工具(取自Yahoosssmush.it服务)函数不损图像优化显示
- 带精度化ython包压缩优化JPEGs和PNGs量化API.
- 带缩略图Python图像处理库多功能优化和变换例程,例如
重标度并调整大小.
带云化可高效优化媒体资产-不管编程语言原因之一是默认云性自动在所有变换图像上执行某些优化步骤++通过CDNs集成快速传送能力确保您的图像无缝显示在查看器设备上
试一试大方自由计划.
云化提供以下优化能力:
自动质量调整编码一旦你搭建
q_aut图形参数,云化选择最优质量压缩级和编码设置,视图像内容、格式和浏览器结果为压缩图像高视觉素养参见此示例 :<\/Image>","codeSnippet":" \n\t
\n<\/Image>","status":0,"statusText":"Ok","displayName":"React","packageName":"cloudinary-react","packageStatus":"","packageVersion":"1.x"},{"sdkId":"vue_2","framework":"vue_2","language":"vue","rawCodeSnippet":"new CloudinaryImage(\"woman.jpg\").delivery(quality(auto()));","codeSnippet":"new CloudinaryImage(\"woman.jpg\").delivery(quality(auto()));","status":0,"statusText":"Ok","displayName":"Vue.js","packageName":"@cloudinary\/vue","packageStatus":"","packageVersion":"1.x"},{"sdkId":"vue","framework":"vue","language":"vue","rawCodeSnippet":" <\/cld-image>","codeSnippet":" \n\t \n<\/cld-image>","status":0,"statusText":"Ok","displayName":"Vue.js","packageName":"cloudinary-vue","packageStatus":"legacy","packageVersion":"1.x"},{"sdkId":"angular_2","framework":"angular_2","language":"angular","rawCodeSnippet":"new CloudinaryImage(\"woman.jpg\").delivery(quality(auto()));","codeSnippet":"new CloudinaryImage(\"woman.jpg\").delivery(quality(auto()));","status":0,"statusText":"Ok","displayName":"Angular","packageName":"@cloudinary\/ng","packageStatus":"","packageVersion":"1.x"},{"sdkId":"angular","framework":"angular","language":"angular","rawCodeSnippet":" <\/cl-transformation> <\/cl-image>","codeSnippet":" \n\t \n\t<\/cl-transformation>\n<\/cl-image>","status":0,"statusText":"Ok","displayName":"Angular","packageName":"@cloudinary\/angular-5.x","packageStatus":"legacy","packageVersion":"1.x"},{"sdkId":"js_2","framework":"js_2","language":"js","rawCodeSnippet":"new CloudinaryImage(\"woman.jpg\").delivery(quality(auto()));","codeSnippet":"new CloudinaryImage(\"woman.jpg\").delivery(quality(auto()));","status":0,"statusText":"Ok","displayName":"JS","packageName":"@cloudinary\/url-gen","packageStatus":"","packageVersion":"1.x"},{"sdkId":"js","framework":"js","language":"js","rawCodeSnippet":"cloudinary.imageTag('woman.jpg', {quality: \"auto\"}).toHtml();","codeSnippet":"cloudinary.imageTag('woman.jpg', {quality: \"auto\"}).toHtml();","status":0,"statusText":"Ok","displayName":"JS","packageName":"cloudinary-core","packageStatus":"legacy","packageVersion":"2.x"},{"sdkId":"python","framework":"python","language":"python","rawCodeSnippet":"CloudinaryImage(\"woman.jpg\").image(quality=\"auto\")","codeSnippet":"CloudinaryImage(\"woman.jpg\").image(quality=\"auto\")","status":0,"statusText":"Ok","displayName":"Python","packageName":"cloudinary","packageStatus":"","packageVersion":"1.x"},{"sdkId":"php_2","framework":"php_2","language":"php","rawCodeSnippet":"(new ImageTag('woman.jpg'))\n\t->delivery(Delivery::quality(\n\tQuality::auto()));","codeSnippet":"(new ImageTag('woman.jpg'))\n\t->delivery(Delivery::quality(\n\tQuality::auto()));","status":0,"statusText":"Ok","displayName":"PHP","packageName":"cloudinary_php","packageStatus":"","packageVersion":"2.x"},{"sdkId":"php","framework":"php","language":"php","rawCodeSnippet":"cl_image_tag(\"woman.jpg\", array(\"quality\"=>\"auto\"))","codeSnippet":"cl_image_tag(\"woman.jpg\", array(\"quality\"=>\"auto\"))","status":0,"statusText":"Ok","displayName":"PHP","packageName":"cloudinary_php","packageStatus":"legacy","packageVersion":"1.x"},{"sdkId":"java","framework":"java","language":"java","rawCodeSnippet":"cloudinary.url().transformation(new Transformation().quality(\"auto\")).imageTag(\"woman.jpg\");","codeSnippet":"cloudinary.url().transformation(new Transformation().quality(\"auto\")).imageTag(\"woman.jpg\");","status":0,"statusText":"Ok","displayName":"Java","packageName":"cloudinary","packageStatus":"","packageVersion":"1.x"},{"sdkId":"ruby","framework":"ruby","language":"ruby","rawCodeSnippet":"cl_image_tag(\"woman.jpg\", :quality=>\"auto\")","codeSnippet":"cl_image_tag(\"woman.jpg\", :quality=>\"auto\")","status":0,"statusText":"Ok","displayName":"Ruby","packageName":"cloudinary","packageStatus":"","packageVersion":"1.x"},{"sdkId":"csharp","framework":"csharp","language":"csharp","rawCodeSnippet":"cloudinary.Api.UrlImgUp.Transform(new Transformation().Quality(\"auto\")).BuildImageTag(\"woman.jpg\")","codeSnippet":"cloudinary.Api.UrlImgUp.Transform(new Transformation().Quality(\"auto\")).BuildImageTag(\"woman.jpg\")","status":0,"statusText":"Ok","displayName":".NET","packageName":"CloudinaryDotNet","packageStatus":"","packageVersion":"1.x"},{"sdkId":"dart","framework":"dart","language":"dart","rawCodeSnippet":"cloudinary.image('woman.jpg').transformation(Transformation()\n\t.delivery(Delivery.quality(\n\tQuality.auto())));","codeSnippet":"cloudinary.image('woman.jpg').transformation(Transformation()\n\t.delivery(Delivery.quality(\n\tQuality.auto())));","status":0,"statusText":"Ok","displayName":"Dart","packageName":"cloudinary_dart","packageStatus":"","packageVersion":"0.x"},{"sdkId":"swift","framework":"swift","language":"swift","rawCodeSnippet":"imageView.cldSetImage(cloudinary.createUrl().setTransformation(CLDTransformation().setQuality(\"auto\")).generate(\"woman.jpg\")!, cloudinary: cloudinary)","codeSnippet":"imageView.cldSetImage(cloudinary.createUrl().setTransformation(CLDTransformation().setQuality(\"auto\")).generate(\"woman.jpg\")!, cloudinary: cloudinary)","status":0,"statusText":"Ok","displayName":"iOS","packageName":"cloudinary","packageStatus":"","packageVersion":"3.x"},{"sdkId":"android","framework":"android","language":"android","rawCodeSnippet":"MediaManager.get().url().transformation(new Transformation().quality(\"auto\")).generate(\"woman.jpg\");","codeSnippet":"MediaManager.get().url().transformation(new Transformation().quality(\"auto\")).generate(\"woman.jpg\");","status":0,"statusText":"Ok","displayName":"Android","packageName":"cloudinary-android","packageStatus":"","packageVersion":"1.x"},{"sdkId":"flutter","framework":"flutter","language":"flutter","rawCodeSnippet":"cloudinary.image('woman.jpg').transformation(Transformation()\n\t.delivery(Delivery.quality(\n\tQuality.auto())));","codeSnippet":"cloudinary.image('woman.jpg').transformation(Transformation()\n\t.delivery(Delivery.quality(\n\tQuality.auto())));","status":0,"statusText":"Ok","displayName":"Flutter","packageName":"cloudinary_flutter","packageStatus":"","packageVersion":"0.x"},{"sdkId":"kotlin","framework":"kotlin","language":"kotlin","rawCodeSnippet":"cloudinary.image {\n\tpublicId(\"woman.jpg\")\n\t delivery(Delivery.quality(\n\tQuality.auto())) \n}.generate()","codeSnippet":"cloudinary.image {\n\tpublicId(\"woman.jpg\")\n\t delivery(Delivery.quality(\n\tQuality.auto())) \n}.generate()","status":0,"statusText":"Ok","displayName":"Kotlin","packageName":"kotlin-url-gen","packageStatus":"","packageVersion":"1.x"},{"sdkId":"jquery","framework":"jquery","language":"jquery","rawCodeSnippet":"$.cloudinary.image(\"woman.jpg\", {quality: \"auto\"})","codeSnippet":"$.cloudinary.image(\"woman.jpg\", {quality: \"auto\"})","status":0,"statusText":"Ok","displayName":"jQuery","packageName":"cloudinary-jquery","packageStatus":"","packageVersion":"2.x"},{"sdkId":"react_native","framework":"react_native","language":"react_native","rawCodeSnippet":"new CloudinaryImage(\"woman.jpg\").delivery(quality(auto()));","codeSnippet":"new CloudinaryImage(\"woman.jpg\").delivery(quality(auto()));","status":0,"statusText":"Ok","displayName":"React Native","packageName":"cloudinary-react-native","packageStatus":"","packageVersion":"0.x"}]" parsed-url="{"url":"https:\/\/res.www.aaaalireno.com\/demo\/image\/upload\/q_auto\/woman.jpg","cloud_name":"demo","host":"res.www.aaaalireno.com","type":"upload","resource_type":"image","transformation":[{"quality":"auto"}],"transformation_string":"q_auto","url_suffix":"","version":"","secure":true,"public_id":"woman.jpg","extension":"jpg","format":"jpg","format_code":true,"signature":"","private_cdn":false,"result_asset_type":"image"}" with-url="true" > 加载代码示例 
微调图像视觉质量,搭建
q_aut:best.q_auto:low,q_auto:g或q_ato:eco参数随心所欲自动格式化:上头
f_aut参数使云化分析图像内容并选择最佳交付格式举例说,它可能像WebP向Chrome或JPEG-XR向互联网探索者提供图像,但保留所有其他浏览器原创格式并用f_aut并q_aut云端仍然向相关浏览器提供WebP和JPEG-XR但如果质量算法判定PNG-8或PNG-24为最优格式,云形或以任一格式提供所选图像大小裁剪:通过添加宽度
华府和高度h参数切换图像URLs,引导云性调整图像大小,例如:<\/Image>","codeSnippet":" \n\t
\n<\/Image>","status":0,"statusText":"Ok","displayName":"React","packageName":"cloudinary-react","packageStatus":"","packageVersion":"1.x"},{"sdkId":"vue_2","framework":"vue_2","language":"vue","rawCodeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().width(0.5));","codeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().width(0.5));","status":0,"statusText":"Ok","displayName":"Vue.js","packageName":"@cloudinary\/vue","packageStatus":"","packageVersion":"1.x"},{"sdkId":"vue","framework":"vue","language":"vue","rawCodeSnippet":" <\/cld-image>","codeSnippet":" \n\t \n<\/cld-image>","status":0,"statusText":"Ok","displayName":"Vue.js","packageName":"cloudinary-vue","packageStatus":"legacy","packageVersion":"1.x"},{"sdkId":"angular_2","framework":"angular_2","language":"angular","rawCodeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().width(0.5));","codeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().width(0.5));","status":0,"statusText":"Ok","displayName":"Angular","packageName":"@cloudinary\/ng","packageStatus":"","packageVersion":"1.x"},{"sdkId":"angular","framework":"angular","language":"angular","rawCodeSnippet":" <\/cl-transformation> <\/cl-image>","codeSnippet":" \n\t \n\t<\/cl-transformation>\n<\/cl-image>","status":0,"statusText":"Ok","displayName":"Angular","packageName":"@cloudinary\/angular-5.x","packageStatus":"legacy","packageVersion":"1.x"},{"sdkId":"js_2","framework":"js_2","language":"js","rawCodeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().width(0.5));","codeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().width(0.5));","status":0,"statusText":"Ok","displayName":"JS","packageName":"@cloudinary\/url-gen","packageStatus":"","packageVersion":"1.x"},{"sdkId":"js","framework":"js","language":"js","rawCodeSnippet":"cloudinary.imageTag('sample.jpg', {width: \"0.5\", crop: \"scale\"}).toHtml();","codeSnippet":"cloudinary.imageTag('sample.jpg', {width: \"0.5\", crop: \"scale\"}).toHtml();","status":0,"statusText":"Ok","displayName":"JS","packageName":"cloudinary-core","packageStatus":"legacy","packageVersion":"2.x"},{"sdkId":"python","framework":"python","language":"python","rawCodeSnippet":"CloudinaryImage(\"sample.jpg\").image(width=\"0.5\", crop=\"scale\")","codeSnippet":"CloudinaryImage(\"sample.jpg\").image(width=\"0.5\", crop=\"scale\")","status":0,"statusText":"Ok","displayName":"Python","packageName":"cloudinary","packageStatus":"","packageVersion":"1.x"},{"sdkId":"php_2","framework":"php_2","language":"php","rawCodeSnippet":"(new ImageTag('sample.jpg'))\n\t->resize(Resize::scale()->width(0.5));","codeSnippet":"(new ImageTag('sample.jpg'))\n\t->resize(Resize::scale()->width(0.5));","status":0,"statusText":"Ok","displayName":"PHP","packageName":"cloudinary_php","packageStatus":"","packageVersion":"2.x"},{"sdkId":"php","framework":"php","language":"php","rawCodeSnippet":"cl_image_tag(\"sample.jpg\", array(\"width\"=>\"0.5\", \"crop\"=>\"scale\"))","codeSnippet":"cl_image_tag(\"sample.jpg\", array(\"width\"=>\"0.5\", \"crop\"=>\"scale\"))","status":0,"statusText":"Ok","displayName":"PHP","packageName":"cloudinary_php","packageStatus":"legacy","packageVersion":"1.x"},{"sdkId":"java","framework":"java","language":"java","rawCodeSnippet":"cloudinary.url().transformation(new Transformation().width(0.5).crop(\"scale\")).imageTag(\"sample.jpg\");","codeSnippet":"cloudinary.url().transformation(new Transformation().width(0.5).crop(\"scale\")).imageTag(\"sample.jpg\");","status":0,"statusText":"Ok","displayName":"Java","packageName":"cloudinary","packageStatus":"","packageVersion":"1.x"},{"sdkId":"ruby","framework":"ruby","language":"ruby","rawCodeSnippet":"cl_image_tag(\"sample.jpg\", :width=>0.5, :crop=>\"scale\")","codeSnippet":"cl_image_tag(\"sample.jpg\", :width=>0.5, :crop=>\"scale\")","status":0,"statusText":"Ok","displayName":"Ruby","packageName":"cloudinary","packageStatus":"","packageVersion":"1.x"},{"sdkId":"csharp","framework":"csharp","language":"csharp","rawCodeSnippet":"cloudinary.Api.UrlImgUp.Transform(new Transformation().Width(0.5).Crop(\"scale\")).BuildImageTag(\"sample.jpg\")","codeSnippet":"cloudinary.Api.UrlImgUp.Transform(new Transformation().Width(0.5).Crop(\"scale\")).BuildImageTag(\"sample.jpg\")","status":0,"statusText":"Ok","displayName":".NET","packageName":"CloudinaryDotNet","packageStatus":"","packageVersion":"1.x"},{"sdkId":"dart","framework":"dart","language":"dart","rawCodeSnippet":"cloudinary.image('sample.jpg').transformation(Transformation()\n\t.resize(Resize.scale().width(0.5)));","codeSnippet":"cloudinary.image('sample.jpg').transformation(Transformation()\n\t.resize(Resize.scale().width(0.5)));","status":0,"statusText":"Ok","displayName":"Dart","packageName":"cloudinary_dart","packageStatus":"","packageVersion":"0.x"},{"sdkId":"swift","framework":"swift","language":"swift","rawCodeSnippet":"imageView.cldSetImage(cloudinary.createUrl().setTransformation(CLDTransformation().setWidth(0.5).setCrop(\"scale\")).generate(\"sample.jpg\")!, cloudinary: cloudinary)","codeSnippet":"imageView.cldSetImage(cloudinary.createUrl().setTransformation(CLDTransformation().setWidth(0.5).setCrop(\"scale\")).generate(\"sample.jpg\")!, cloudinary: cloudinary)","status":0,"statusText":"Ok","displayName":"iOS","packageName":"cloudinary","packageStatus":"","packageVersion":"3.x"},{"sdkId":"android","framework":"android","language":"android","rawCodeSnippet":"MediaManager.get().url().transformation(new Transformation().width(0.5).crop(\"scale\")).generate(\"sample.jpg\");","codeSnippet":"MediaManager.get().url().transformation(new Transformation().width(0.5).crop(\"scale\")).generate(\"sample.jpg\");","status":0,"statusText":"Ok","displayName":"Android","packageName":"cloudinary-android","packageStatus":"","packageVersion":"1.x"},{"sdkId":"flutter","framework":"flutter","language":"flutter","rawCodeSnippet":"cloudinary.image('sample.jpg').transformation(Transformation()\n\t.resize(Resize.scale().width(0.5)));","codeSnippet":"cloudinary.image('sample.jpg').transformation(Transformation()\n\t.resize(Resize.scale().width(0.5)));","status":0,"statusText":"Ok","displayName":"Flutter","packageName":"cloudinary_flutter","packageStatus":"","packageVersion":"0.x"},{"sdkId":"kotlin","framework":"kotlin","language":"kotlin","rawCodeSnippet":"cloudinary.image {\n\tpublicId(\"sample.jpg\")\n\t resize(Resize.scale() { width(0.5F) }) \n}.generate()","codeSnippet":"cloudinary.image {\n\tpublicId(\"sample.jpg\")\n\t resize(Resize.scale() { width(0.5F) }) \n}.generate()","status":0,"statusText":"Ok","displayName":"Kotlin","packageName":"kotlin-url-gen","packageStatus":"","packageVersion":"1.x"},{"sdkId":"jquery","framework":"jquery","language":"jquery","rawCodeSnippet":"$.cloudinary.image(\"sample.jpg\", {width: \"0.5\", crop: \"scale\"})","codeSnippet":"$.cloudinary.image(\"sample.jpg\", {width: \"0.5\", crop: \"scale\"})","status":0,"statusText":"Ok","displayName":"jQuery","packageName":"cloudinary-jquery","packageStatus":"","packageVersion":"2.x"},{"sdkId":"react_native","framework":"react_native","language":"react_native","rawCodeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().width(0.5));","codeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().width(0.5));","status":0,"statusText":"Ok","displayName":"React Native","packageName":"cloudinary-react-native","packageStatus":"","packageVersion":"0.x"}]" parsed-url="{"url":"https:\/\/res.www.aaaalireno.com\/demo\/image\/upload\/w_0.5\/sample.jpg","cloud_name":"demo","host":"res.www.aaaalireno.com","type":"upload","resource_type":"image","transformation":[{"width":"0.5"}],"transformation_string":"w_0.5","url_suffix":"","version":"","secure":true,"public_id":"sample.jpg","extension":"jpg","format":"jpg","format_code":true,"signature":"","private_cdn":false,"result_asset_type":"image"}" with-url="true" > 加载代码示例 
<\/Image>","codeSnippet":" \n\t
\n<\/Image>","status":0,"statusText":"Ok","displayName":"React","packageName":"cloudinary-react","packageStatus":"","packageVersion":"1.x"},{"sdkId":"vue_2","framework":"vue_2","language":"vue","rawCodeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().height(200));","codeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().height(200));","status":0,"statusText":"Ok","displayName":"Vue.js","packageName":"@cloudinary\/vue","packageStatus":"","packageVersion":"1.x"},{"sdkId":"vue","framework":"vue","language":"vue","rawCodeSnippet":" <\/cld-image>","codeSnippet":" \n\t \n<\/cld-image>","status":0,"statusText":"Ok","displayName":"Vue.js","packageName":"cloudinary-vue","packageStatus":"legacy","packageVersion":"1.x"},{"sdkId":"angular_2","framework":"angular_2","language":"angular","rawCodeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().height(200));","codeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().height(200));","status":0,"statusText":"Ok","displayName":"Angular","packageName":"@cloudinary\/ng","packageStatus":"","packageVersion":"1.x"},{"sdkId":"angular","framework":"angular","language":"angular","rawCodeSnippet":" <\/cl-transformation> <\/cl-image>","codeSnippet":" \n\t \n\t<\/cl-transformation>\n<\/cl-image>","status":0,"statusText":"Ok","displayName":"Angular","packageName":"@cloudinary\/angular-5.x","packageStatus":"legacy","packageVersion":"1.x"},{"sdkId":"js_2","framework":"js_2","language":"js","rawCodeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().height(200));","codeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().height(200));","status":0,"statusText":"Ok","displayName":"JS","packageName":"@cloudinary\/url-gen","packageStatus":"","packageVersion":"1.x"},{"sdkId":"js","framework":"js","language":"js","rawCodeSnippet":"cloudinary.imageTag('sample.jpg', {height: 200, crop: \"scale\"}).toHtml();","codeSnippet":"cloudinary.imageTag('sample.jpg', {height: 200, crop: \"scale\"}).toHtml();","status":0,"statusText":"Ok","displayName":"JS","packageName":"cloudinary-core","packageStatus":"legacy","packageVersion":"2.x"},{"sdkId":"python","framework":"python","language":"python","rawCodeSnippet":"CloudinaryImage(\"sample.jpg\").image(height=200, crop=\"scale\")","codeSnippet":"CloudinaryImage(\"sample.jpg\").image(height=200, crop=\"scale\")","status":0,"statusText":"Ok","displayName":"Python","packageName":"cloudinary","packageStatus":"","packageVersion":"1.x"},{"sdkId":"php_2","framework":"php_2","language":"php","rawCodeSnippet":"(new ImageTag('sample.jpg'))\n\t->resize(Resize::scale()->height(200));","codeSnippet":"(new 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cloudinary)","codeSnippet":"imageView.cldSetImage(cloudinary.createUrl().setTransformation(CLDTransformation().setHeight(200).setCrop(\"scale\")).generate(\"sample.jpg\")!, cloudinary: cloudinary)","status":0,"statusText":"Ok","displayName":"iOS","packageName":"cloudinary","packageStatus":"","packageVersion":"3.x"},{"sdkId":"android","framework":"android","language":"android","rawCodeSnippet":"MediaManager.get().url().transformation(new Transformation().height(200).crop(\"scale\")).generate(\"sample.jpg\");","codeSnippet":"MediaManager.get().url().transformation(new Transformation().height(200).crop(\"scale\")).generate(\"sample.jpg\");","status":0,"statusText":"Ok","displayName":"Android","packageName":"cloudinary-android","packageStatus":"","packageVersion":"1.x"},{"sdkId":"flutter","framework":"flutter","language":"flutter","rawCodeSnippet":"cloudinary.image('sample.jpg').transformation(Transformation()\n\t.resize(Resize.scale().height(200)));","codeSnippet":"cloudinary.image('sample.jpg').transformation(Transformation()\n\t.resize(Resize.scale().height(200)));","status":0,"statusText":"Ok","displayName":"Flutter","packageName":"cloudinary_flutter","packageStatus":"","packageVersion":"0.x"},{"sdkId":"kotlin","framework":"kotlin","language":"kotlin","rawCodeSnippet":"cloudinary.image {\n\tpublicId(\"sample.jpg\")\n\t resize(Resize.scale() { height(200) }) \n}.generate()","codeSnippet":"cloudinary.image {\n\tpublicId(\"sample.jpg\")\n\t resize(Resize.scale() { height(200) }) \n}.generate()","status":0,"statusText":"Ok","displayName":"Kotlin","packageName":"kotlin-url-gen","packageStatus":"","packageVersion":"1.x"},{"sdkId":"jquery","framework":"jquery","language":"jquery","rawCodeSnippet":"$.cloudinary.image(\"sample.jpg\", {height: 200, crop: \"scale\"})","codeSnippet":"$.cloudinary.image(\"sample.jpg\", {height: 200, crop: \"scale\"})","status":0,"statusText":"Ok","displayName":"jQuery","packageName":"cloudinary-jquery","packageStatus":"","packageVersion":"2.x"},{"sdkId":"react_native","framework":"react_native","language":"react_native","rawCodeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().height(200));","codeSnippet":"new CloudinaryImage(\"sample.jpg\").resize(scale().height(200));","status":0,"statusText":"Ok","displayName":"React Native","packageName":"cloudinary-react-native","packageStatus":"","packageVersion":"0.x"}]" parsed-url="{"url":"https:\/\/res.www.aaaalireno.com\/demo\/image\/upload\/h_200\/sample.jpg","cloud_name":"demo","host":"res.www.aaaalireno.com","type":"upload","resource_type":"image","transformation":[{"height":"200"}],"transformation_string":"h_200","url_suffix":"","version":"","secure":true,"public_id":"sample.jpg","extension":"jpg","format":"jpg","format_code":true,"signature":"","private_cdn":false,"result_asset_type":"image"}" with-url="true" > 加载代码示例 
云形保持宽度比,但调整图像大小与你指定的高度
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云形支持多图像编织模式尺度化,适配,适配,填充,填充,限值,程序板,lPad系统,mad,裁剪,缩略图,imagga_crop并imagga标度.
适当优化并缓存图像是提高网站性能的关键一步小技巧这个文章提供只是一个开始查看云文件更多思想JPEG图像优化而无损质量并发图像变换.
