获得编码格式

package com.yihugroup.util;

import java.text.SimpleDateFormat;
import java.util.Date;

public class CodingFormat {
	/**
	 * 获得编码格式
	 * @param selectCode 查出编码
	 * @param prefix 编码前缀
	 * @return "FFF-20080808-001"
	 */
	public String getCodeFormat(String selectCode,String prefix) {
		String code = "";// 输出编码
		String systemDate = "";// 当前时间		
		String interceptDate = "";//截取时间
		int num = 0;		
		// 查询当前系统时间
		SimpleDateFormat tempDate = new SimpleDateFormat("yyyyMMdd");
		systemDate = tempDate.format(new Date());
		if (selectCode.equals("") || selectCode == null || selectCode.length() != 16) {
			code = prefix + "-" + systemDate + "-" + "001";
		} else {
			// 截取编码中的时间
			for (int i = 4; i < 12; i++) {
				interceptDate += selectCode.charAt(i);
			}
			//判断时间是否相等
			if(systemDate.equals(interceptDate)){
				String interceptNum = "";
				//截取自然数
				for (int i = 13; i < 16; i++) {
					interceptNum +=selectCode.charAt(i);
				}
				num = Integer.parseInt(interceptNum)+1;
				if(num < 10){
					interceptNum = "00"+num;
				}else if(num > 9 && num < 100){
					interceptNum = "0"+num;
				}else{
					interceptNum = num+"";
				}
				code = prefix+"-"+systemDate+"-"+interceptNum;
			}else{
				code = prefix+"-"+systemDate+"-"+"001";
			}
		}
		return code;
	}
	/**
	 * 获得编码格式,没有前缀
	 * @param selectCode 查出编码
	 * @return "20080808001"
	 */
	public String getCodeFormat(String selectCode) {
		String code = "";// 输出编码
		String systemDate = "";// 当前时间		
		String interceptDate = "";//截取时间
		int num = 0;		
		// 查询当前系统时间
		SimpleDateFormat tempDate = new SimpleDateFormat("yyyyMMdd");
		systemDate = tempDate.format(new Date());
		int l = selectCode.length();
		if (selectCode.equals("") || selectCode == null || selectCode.length() != 11) {
			code = systemDate + "001";
		} else {
			// 截取编码中的时间
			for (int i = 0; i < 8; i++) {
				interceptDate += selectCode.charAt(i);
			}
			//判断时间是否相等
			if(systemDate.equals(interceptDate)){
				String interceptNum = "";
				//截取自然数
				for (int i = 8; i < 11; i++) {
					interceptNum +=selectCode.charAt(i);
				}
				num = Integer.parseInt(interceptNum)+1;
				if(num < 10){
					interceptNum = "00"+num;
				}else if(num > 9 && num < 100){
					interceptNum = "0"+num;
				}else{
					interceptNum = num+"";
				}
				code = systemDate+interceptNum;
			}else{
				code = systemDate+"001";
			}
		}
		return code;
	}
}