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mr.lili
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  根据父节点id(teamsid) 统计为0的根数据列表,同时将子数据整个在父数据列表里   SELECT    id,endtime,teamsid,companyName,companyCity,   (select group_concat(companyName separator ',')  from mshop_supply_teambuy m1  where m1.teamsid = m.id) cName_child,   (select group_concat(companyCity separator ',')  from mshop_supply ...
Access-Control-Allow-Origin: *, * 前后端出现跨域问题 出现一颗   *   就通过后台过滤设置响应 /////////////////////////CORSFilter public class CORSFilter implements Filter{   //里设置  @Override public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException ...
java通过pid、parentId生成tree树形结构json集合将pojo集合类根据pid自动生成树形json以下为代码示例,参照网上进行调整过后的,应用于项目   ////////////////////////////////////////BuildUICmb    package com.hbcw.finance.main.utils.UICmb;   import java.util.ArrayList; import java.util.List;     /**  * 构建前端需要的树形结构字符串 @备注:  *   * @author: lili ...
关于java连接habse所需要的jar包,经查直接就在hbase的安装目录下的libs里就有相关的jar包,直接复制出来,引用即可以使用
netstat -apn | grep 8080 [root@centos122 bin]# netstat -apn | grep 8080  查看8080端口占用 tcp        0      0 :::8080                     :::*                        LISTEN      11421/java          tcp     1002      0 ::ffff:10.0.1.122:8080      ::ffff:10.0.1.180:65000     CLOSE_WAIT  -                ...
select a.id,a.start_time,a.online_time,a.end_time,a.user_id from ( SELECT id,start_time,online_time,end_time,user_id FROM logonlinetb where businessId = '05051357441470000' and group_id = '11071459147070001' ORDER BY end_time DESC ) a GROUP BY a.user_id 其中,start_time为开始时间online_time为在线时长,end_t ...
(select count(id) as num from con_logs_2018_01_10 where uid = '12081427281340000' ) union all (select count(id) as num from con_logs_2018_01_09 where uid = '12081427281340000') 在日志分表后,需要统计 该用户的日志记录信息,需要查询多分表,但无关联关系
function getAllChildIds(treeNode,result){ if (treeNode.isParent){ var childrenNodes = treeNode.children; if (childrenNodes) { for (var i = 0; i < childrenNodes.length; i++) { result += ',' + childrenNodes[i].id; // console.log(result); result = getAllChildIds(childrenNodes[i], ...
mysql hibernate SessionFactory 8 小时数据库连接关闭错误解决方案: 可以通过SessionFactory获得连接,判断是否关闭,关闭了就重新打开。     package org.dj.model;   import java.sql.SQLException;   import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.cfg.Configuration; import org.hibernate.connection ...
String url = "jdbc:mysql://10.0.1.123:3306/cadmin_hucheng?autoReconnect=true&useUnicode=true&characterEncoding=utf-8"; String userName = "root"; String password = "hskj2015"; String driver = "com.mysql.jdbc.Driver"; try { Class.forName(driver); C ...
//////////////////////////////////////////////////////////通过字节流获得数据 public class SocketClient {   private static String encoding = "GBK";   public static void main(String[] args) { SocketClient c = new SocketClient(); c.getInfo("A2", "00000058");   System.exit( ...
  /////////jdbc连接操作 private static String url; /** * 用户名 */ private static String userName; /** * 密码 */ private static String password;   private static String driver;   // 连接池 private static int max = 20; private static int min = 2; private static int count = 0; private static Lis ...
package com.hskj.operateDbUtils;   import java.sql.Connection; import java.sql.DatabaseMetaData; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.util.ArrayList; import java.util.List;   /**  *   * @创建时间:2017年 ...
//#ifndef _EXRTENDS_H_ //http://blog.csdn.net/Csdn_zc/article/details/6674621 #include "stdafx.h" #define _EXRTENDS_H_ //WIN32_LEAN_AND_MEAN #include <windows.h> #include <TlHelp32.h> #include <stdio.h> #include <stdlib.h> #include <iostream> #include <sys ...
具体请查看附件图片,或者下载图片附件查看:谢谢! http://www.apache.org/dyn/closer.cgi/hbase/   habse下载地址 http://apache.fayea.com/hadoop/common/hadoop-2.6.0/  hadoop2.6.0 http://www.apache.org/dyn/closer.cgi/zookeeper/      zookeeper下载 http://hadoop.apache.org/docs/r2.6.0/    hadoop帮助文档
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