panhongzhi02的专栏

package com.help;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;/** * 时间处理工具类 *  * */public final class MyDate {/*** 生成当前时间 格式为 xxxx/xx/xx xx

package com.help;import java.io.UnsupportedEncodingException;import java.sql.Connection;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.sql.ResultSetMetaData;im

省略了数据库表对应的实体类与插入数据库一行数据的代码,要实现此方法需要在网上下载jxl.jar这个包public List readxls(File file) {List ls=new ArrayList();Workbook workbook=null;try {workbook=Workbook.getWorkbook(file);Sheet sheet=work

package org.phz.poke;import java.util.ArrayList;import java.util.Collections;import java.util.List;public class Poke {String str1="红桃";String str2="方块";String str3="黑桃";String

package com.help;import java.io.Closeable;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.FileRea

public class Day2 { public static void main(String[] args) { File file=new File("F:\\12.txt"); FileReader reader=null; BufferedReader br=null; try { reader=new FileReader(file); br=new