下载类
属性
private static Map<String, CheckRunning> checkObj = new HashMap<String, CheckRunning>();
方法
if (null == checkObj.get(inActId))
{
checkObj.put(inActId, new CheckRunning());
}
CheckRunning curCheck = checkObj.get(inActId);
if (curCheck.getIsRunning())
{
throw new Exception(inActId + "账号的来账信息正在下载...请不要重复提交!");
}
try {
curCheck.setIsRunning(true);
doBusiLogic();
} catch (Exception e) {
throw e;
}
finally{
curCheck.setIsRunning(false);
}
辅助类 CheckRunning.java
public class CheckRunning
{
private boolean isRunning = false;
public boolean getIsRunning()
{
return isRunning;
}
public void setIsRunning(boolean isRunning)
{
this.isRunning = isRunning;
}
}
62 定时器编写
1、首先在tb_scheduler_job表中增加记录
2、编写定时器线程类 需要实现接口IJob
63 在指定目录下创建文件
File file = new File("E:/test.text");//
if (!file.exists()) {
file.createNewFile();
}
64 服务器问题引起的
通过SSH工具访问linux服务器
有一个进程占用了 11120端口
was 启动csp Socket 没起起来
linux 下查看端口 :netstat -an|grep -w 11120
lsof -i:11120
杀死进程 :kill -9 XXX kill XXXX
65 browse data 浏览数据
66 IBM-> WebSphere-> Application Server
重启服务器 登录系统后, 服务器->服务器类型->websphere Application server 勾选服务器 进行 停止,启动操作
查看日志 故障诊断->日志和跟踪 点击server,在记录和跟踪页面 选择JVM日志 -》运行时 查看日志
重启wars 应用程序->应用程序类型 勾选wars 进行操作
系统管理-> 节点 同步操作
67 远程协助命令 mstsc
68 借Debit
贷Credit
借方(左)D 贷方(右)C
——————————————————————————————————————
资产的增加 | 负债的增加
负债的减少 | 资产的减少
费用的发生 | 收益的发生
|
有借必有贷,借贷必相等
69 java 填充数据
Arrays.fill方法
int [][] nums = new int[2][4];
Arrays.fill(nums[1],3,4 ,1);
Arrays.fill(nums[0],2,3, 5);
70 ORACLE 数据分组统计时,可以使用GROUPING SETS 操作符 可以合并多个分组结果
select t.ac_no_ds as 代收帐号,
t.account_in_date as 达帐日期,
t.total_count as 明细汇总笔数,
t.total_amt as 汇总金额,
t1.unit_no as 单位编码,
t1.unit_name as 单位名称,
t1.pn_no as 通知书号码,
t1.payer as 缴款人,
t1.paid_date as 缴款日期,
t1.ard_amt as 缴款金额,
t2.ci_no as 项目编码,
t2.ci_name as 项目名称,
t2.total_amt as 收费金额
from qs_qs_manage_total t
left join qs_qs_manage_detail t1 on t.dzjk_no = t1.dzjk_no
left join qs_qs_manage_fee_detail t2 on t1.id = t2.main_id
where t.ac_no_qs in ('758858040557', '748458858345')
and t.total_amt <> 0
and t.hb_date between '20130506' and '20130507'
group by grouping sets((t.id, t.ac_no_ds, t.account_in_date, t.total_count, t.total_amt),
(t.id, t1.id, t1.unit_no, t1.unit_name, t1.pn_no, t1.payer, t1.paid_date, t1.ard_amt),
(t.id, t1.id, t2.ci_no, t2.ci_name, t2.total_amt))
order by t.id, t.ac_no_ds, t1.id desc, t2.ci_no desc
71 JavaScript和JSON之间的联系 eval()
var postUrl = "<%=path%>/busiprintinfo/saveBusiPrintInfo.do?";
var postValue = "method=confirm&userId="+userId+"&userPwd="+userPwd;
var ret = postData(postUrl,postValue,"txt");
responseObj = eval("(" + ret + ")");
72 查看/删除共享文件夹
net share 查看
net share [{ShareName|Drive:Path} /delete] 删除 例如 net share D$ /delete
73 List 反转 反转指定列表中元素的顺序。static void reverse(List<?> list)
CollectionsCollections.reverse(list);
74 Excel 导出
import jxl.Workbook;
import jxl.format.Border;
import jxl.format.BorderLineStyle;
import jxl.format.UnderlineStyle;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
一、创建工作簿
二、创建新的一页
三、构造表头 (合并单元格-mergeCells 设定格式- WritableFont/WritableCellFormat 创建label-Label 添加单元格sheet.addCell(Label))
四、创建要显示的内容
五、将内容写入输出流中,并关闭输出流
75 FTP连接不上
IE-》internet选项 -》被动连接勾掉
76 SQL 插入多张表 根据一个查询更新多张表
insert all
when printed = '1' and procDate >= '20150101'
then into td_batch_head
when printed = '1' and procDate < '20150101'
then into td_batch_head_temp2
else into td_batch_head_temp1
select t.serial_no,
t.bank_no,
t.unit_no,
t.unit_name,
t.summary,
t.is_print printed,
t.proc_date procDate,
t.total_count,
t.total_amt,
t.bank_recv_date,
t.bank_recv_time,
t.bank_success_count,
t.bank_success_amt,
t.bank_fail_count,
t.bank_fail_amt,
t.bank_send_date,
t.bank_send_time,
t.finance_total_count,
t.finance_send_date,
t.finance_send_time,
t.oes_main_id,
t.send_state,
t.ac_no_ds,
t.kft_main_id
from td_batch_head_temp t
77 开机启动
进入路径C:\Users\Administrator\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup-将sametime快捷方式粘贴至此-即可开机自动启动
78 oracle 获取当前时间和日期
to_char(sysdate, 'yyyy-mm-dd hh24:mi:ss')
79 oracle 自动生成Bean
小技巧: 在编写Bean类和Form类的私有变量时,如数据库表字段比较多,则可以利用数据库提供的数据字典
编写SQL语句来动态生成Java代码。这样做比较快速,也不用担心字段的对应规范问题。
将代码copy至Java类中后,如有出入,可手工调整。
比如,在Oracle中就可以通过执行如下SQL来动态生成定义变量的Java代码:
SELECT 'private ' ||
DECODE(A.DATA_TYPE, 'NUMBER', 'BigDecimal ', 'String ') ||
SUBSTR(LOWER(A.COLUMN_NAME), 1, 1) ||
SUBSTR(REPLACE(INITCAP(REPLACE(A.COLUMN_NAME, '_', ' ')), ' ', ''),
2) || ';//' || B.COMMENTS JAVA_MEMBER_DEFINE
FROM ALL_TAB_COLUMNS A, ALL_COL_COMMENTS B
WHERE A.TABLE_NAME = B.TABLE_NAME
AND A.COLUMN_NAME = B.COLUMN_NAME
AND A.TABLE_NAME = UPPER('TABLE_NAME')
ORDER BY COLUMN_ID;
SELECT case when a.COLUMN_ID = 1 then 'sql.append(" SELECT T.'
||A.COLUMN_NAME
||', ");'
when a.COLUMN_ID <> 1 and a.COLUMN_ID<>a. then 'sql.append(" T.'
||A.COLUMN_NAME
||', ");'
--最后一个','需要手动剔除
end
FROM ALL_TAB_COLUMNS A, ALL_COL_COMMENTS B
WHERE A.TABLE_NAME = B.TABLE_NAME
AND A.COLUMN_NAME = B.COLUMN_NAME
AND A.TABLE_NAME = UPPER('td_ydjfinejrn')
ORDER BY COLUMN_ID;
80 webservice
xml解析入库
关键技术 xsd
SOAP: