maypol的专栏

1、在服务器包文件中加入jacob.jar;2、在系统system32加入jacob.dll;3、在jdk bin加入jacob.dll;4、在jre lib加入jacob.jar;

public class FTPcommand {    public List ftpcmd(HostBean hBean,String command) {        Connection conn=new Connection(hBean.getUrl());        List fileList=new ArrayList();        try {

FileWriter fw = new FileWriter("filepath", true);BufferedWriter bw = new BufferedWriter(fw);bw.newLine();bw.write("ipBMP=" + modelBean.getIpBMP());

import java.io.BufferedReader;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStreamReader;import sun.net.TelnetOutputStream;i

package Test; import java.io.FileInputStream; import sun.net.TelnetOutputStream; import sun.net.ftp.FtpClient; public class TestFtpClient { public static void main(String[] args) { // TO

<br />java<br />    /**<br />     * 返回设备申请基本信息列表<br />     * @param sourceFile<br />     * @param targetFile<br />     * @param undoTasks<br />     * @return<br />     */<br />    public static boolean applyInfo(File sourceFile, File target

zip application/zip xls application/vnd.ms-excel rar application/octet-stream

<br />程序<br />            response.reset();          <br />            response.setContentType("application/vnd.ms-excel");        //改成输出excel文件<br />            response.setHeader("Content-disposition","attachment; filename=file.xls" );<br /> 

new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new java.util.Date())

解决同名用户登录的问题,类似QQ,即同名用户第二次登录,第一次登录的用户就掉线.SessionListener.java监听session的类,部署于/App/WEB-INF/classes/com/test下(其中App为你的应用程序目录)package com.test;import javax.servlet.http.*;import java.util.*;p

代码内容create or replace procedure batchUpdateCustomer(p_age in number) as begin update CUSTOMERS set AGE=AGE+1 where AGE>p_age; end; 以上存储过程有一个参数p_age，代表客户的年龄，应用程序可按照以下方式调用存储过程：代码内容tx

Properties properties = new Properties();        File file = new File(request.getRealPath("/") +"//WEB-INF//classes//configs.properties");    FileInputStream fiStream = new FileInputStream(file)

#log4j.propertieslog4j.logger.DAO=stdout,A1#log4j.rootLogger=info,stdout,A1log4j.appender.stdout=org.apache.log4j.ConsoleAppenderlog4j.appender.stdout.layout=org.apache.log4j.PatternLayout

String path = request.getRealPath("/")+ "//fileTemp//";

JDBC2.0如何写批处理更新代码示例    Connection con = db.getConn();     con.setAutoCommit(false);     Statement stmt = con.createStatement();     stmt.addBatch("INSERT INTO test VALUES(1,1)");     s

1、Oracle8/8i/9i数据库（thin模式） Class.forName("oracle.jdbc.driver.OracleDriver").newInstance(); String url="jdbc:oracle:thin:@localhost:1521:orcl"; //orcl为数据库的SID String user="test"; String pas

create or replace procedure updateProject is   begin     update project p set p.total_intend_gather =      (select sum(ig.gather_sum) from intend_gather ig where ig.project_number=p.project_numb

java.lang.ExceptionInInitializerErrorat java.lang.J9VMInternals.initialize(J9VMInternals.java:216) -》位置：使用DES加密（aaa.java）。原因：IBM JDK JCE默认策略是Restricted，而我们用的是Unrestricted，需要下载专门的Unrestricted包。