一、文件上传public UploadResult upload(MultipartFile file) {Assert.notNull(file, "Multipart file must not be null");// Get current time获取当前时间Calendar current = Calendar.getIns...

一、下载工具包Kafka：https://kafka.apache.org/downloadsKafka ToolsK：二、kafka安装启动1、将安装包上穿到linux上2、解压安装包tar -zxvf kafka_2.13-3.0.0.tgz3、开放防火墙端口号firewall-cmd --permanent --zone=public --add-port=2181/tcpfirewall-