带有expressjs的简单快速的HTTP框架 入门 Express app = new Express (); app . get( " / " , (req, res) - > { res . send( " Hello World " ); }) . listen(); // Will listen on port 80 which is set as default 安装 在您喜欢的构建系统上，从JCenter添加以下依赖项坐标： io.vacco.java-express