URL 编码 / 解码
安全地对 URL 和查询字符串进行编码或解码。
完全在你的浏览器中运行，你输入的任何内容都不会上传。
Component or full URL?
编码组件 escapes everything, including / ? & =, which is what you want for a single query-string value. 编码完整 URL keeps the URL's structure and only escapes characters such as spaces.