导入excel不上传文件到服务器@RequestMapping(value"intoDatabases")@ResponseBodypublicMap<String,ObjectintoDatabases(HttpServletRequestrequ

前言由于返回jsonapi格式接口，所以我们需要通过javabean封装一个统一数据返回格式，便于和前端约定交互，状态码枚举ResultCodejavapackagecn.soboys.core.ret;importlombok.Getter;/@authorkenx@version1.0@date2021/6/1715:35

RabbitMQ集群安装配置HAproxyKeepalived高可用转自：https://www.linuxidc.com/Linux/201610/136492.htmrabbitmq集群消息队列RabbitMQ简介　　RabbitMQ(ht

  classtest   {       publicstringa;      publicintb;       publicbyte\\c;       publicIntPtrd;   }把上面对象序列化成string并保存。 testtnewtest(){

publicModelAndViewexportXls(HttpServletRequestrequest,MeetingEntermeetingEnter,StringmeetingId){//导出相同会议下的报名名单Map<String,StringparameterMaprequest.get

整段注释：/\publicclasshello{publicstaticvoidmain(String\\args){System.out.println("hellojackey");}}\/注释：【Ctrl】【Shift】【/】publicclasshello{publi

import ("bufio""bytes""fmt""io/ioutil""net/http""os""regexp""strconv""strings")func ListHref(html string) {

1、登录到MySQLmysqlurootp2、显示当前数据库的版本号和日期。SELECTVERSION(),CURRENT\_DATE();3、通过AS关键字设置字段名。SELECTVERSION()ASversion;//可设置中文，通过单引号4、通过SELECT执行返回计算结果S

DELIMITER$$CREATEDEFINERroot@localhostFUNCTIONfunc_range_string_mod(f_numINTUNSIGNEDTotalstrings.)RETURNSVARCHAR(200)CHARSETlatin1BEGIN

.classpublicLutil/SLog;.superLjava/lang/Object;.source"SLog.java"staticfields.fieldprivatestaticfinalDEFAULT_TAG:Ljava/lang/String;"