中文日期转数字日期

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class TimeConvertUtil {

	/**
	 * 用于分割时间
	 */
	private static final String DIV_STR = ":";
	/**
	 * 错误返回
	 */
	private static final String ERROR_RETURN = "";
	/**
	 * 用于分割时间
	 */
	private static final String[] PREFIX = {"上","下","午"};
	
	/**
	 * 12时制
	 */
	public static final String FORMATTER_12H = "12H";
	/**
	 * 24时制
	 */
	public static final String FORMATTER_24H = "24H";
	/**
	 * 零
	 */
	public static final String ZERO = "0";
	/**
	 * 十
	 */
	public static final String TEN = "十";
	/**
	 * 前缀，分割，数字
	 */
	private static final char[] ALL_CN_CHAR = {
			'上','下','午',
			'时','点','分','秒','半','刻','整',
			'〇','零','一','二','三','四','五','六','七','八','九','十','两'};
	private static final String[] ALL_CN_NUM = {
			"0","12",":",
			":",":",":","","30:00","15","00:00",
			"0","0","1","2","3","4","5","6","7","8","9","十", "2"};
	
	/**
	 * 
	 * @param time 格式： [上/下 午][XX]时[XX]分[XX]秒
	 * @return 12时制 时间
	 */
	public static String timeConvert(String time) {
		return timeConvert(time, FORMATTER_12H);
	}
	

	/**
	 * 
	 * @param time 格式： [上/下 午][XX]时[XX]分[XX]秒
	 * @param formatter 12时制/24时制
	 * @return 12时制/24时制 时间
	 */
	public static String timeConvert(String time, String formatter) {
		
		if(!(formatter.equals(FORMATTER_12H) || formatter.equals(FORMATTER_24H))) {
			System.err.println("parameter formatter is unexpected. [" + formatter + "]" + time);
			return ERROR_RETURN;
		}
		// 十，分，秒  对应的数字
		int[] numTime = {0,0,0};
		char[] timeArr = time.toCharArray();
		try {
			CheckedInputStr(timeArr);
		} catch (Exception e) {
			System.err.println(e.getMessage() + " " + time);
			return ERROR_RETURN;
		}
		
		// 是否有前缀
		boolean prefix = hasPerfix(time);
		
		StringBuffer buf = new StringBuffer();
		for (char tc:timeArr) {
			for(int i = 0; i < ALL_CN_CHAR.length; i++) {
				if(tc == ALL_CN_CHAR[i]) {
					buf.append(ALL_CN_NUM[i]);
				}
			}
		}
		
		String[] num_Time_Arr = buf.toString().split(DIV_STR);
		
		// 对十进行处理
		for(int i = 0; i < num_Time_Arr.length;i++) {
			if(num_Time_Arr[i].equals("")) {
				num_Time_Arr[i] = "0";
				continue;
			}
			num_Time_Arr[i] = handleTen(num_Time_Arr[i]);
		}
		
		// 前缀需要加的时间
		int perNum = 0;
		
		int idx = 0;
		
		if(prefix) {
			perNum = Integer.parseInt(num_Time_Arr[idx++]);
		}
		
		for(int i = idx; i < num_Time_Arr.length && i < (numTime.length + idx); i++) {
			numTime[i - idx] = Integer.parseInt(num_Time_Arr[i]);
		}
		
		numTime[0] += perNum;
		
		if(formatter.equals(FORMATTER_24H)) {
			numTime[0] = numTime[0] % 100 % 24;
		} else if(formatter.equals(FORMATTER_12H)) {
			numTime[0] = numTime[0] % 100 % 12;
		}
		numTime[1] = numTime[1] % 100 % 60;
		numTime[2] = numTime[2] % 100 % 60;
		
		StringBuffer final_buf = new StringBuffer();
		final_buf.append(numTime[0] < 10? ZERO + numTime[0]: numTime[0]);
		final_buf.append(DIV_STR);
		final_buf.append(numTime[1] < 10? ZERO + numTime[1]: numTime[1]);
		final_buf.append(DIV_STR);
		final_buf.append(numTime[2] < 10? ZERO + numTime[2]: numTime[2]);
		
		return final_buf.toString();
	}

	/**
	 * 分情况给"十"赋值
	 * @param string
	 * @return
	 */
	private static String handleTen(String numS) {
		int idx = numS.indexOf(TEN);
		
		if(idx >= 0) {
			int len = numS.length();
			// 替换中文
			String reg = "[\u4e00-\u9fa5]";

	    	Pattern pat = Pattern.compile(reg);  

	    	Matcher mat=pat.matcher(numS); 
			
	    	if(len == 1) { // 只有一个十
	    		numS = mat.replaceAll("10");
	    	} else if(idx == 0) { // 在开头
				numS = mat.replaceAll("1");
			} else if (idx == numS.length() - 1) { // 在结尾
				numS = mat.replaceAll("0");
			} else {
				numS = mat.replaceAll("");
			}
		}
		return numS;
	}


	/**
	 * 是否有前缀 "上","下","午"
	 * @param time
	 * @return
	 */
	private static boolean hasPerfix(String time) {
		for(String per:PREFIX) {
			if(time.indexOf(per) >= 0)
				return true;
		}
		return false;
	}

	/**
	 * 检测输入有无期望以外的值
	 * @param time
	 * @throws Exception
	 */
	private static void CheckedInputStr(char[] time) throws Exception {
		if(time.length <= 0)
			throw new Exception("length of time string unexpected " + time.length + ".");
		boolean in_Arr = false;
		char ch_temp = ' ';
		for(char s:time) {
			ch_temp = s;
			in_Arr = false;
			for(char cns:ALL_CN_CHAR) {
				if(s==cns) {
					in_Arr = true;
					break;
				}
			}
			
			if(!in_Arr)
				throw new Exception("unexpected character [" + ch_temp + "] in time string. [" + ch_temp + "] ");	
		}
	}
	
	public static void main(String[] args) {
		// 正例
		System.out.println(timeConvert("二十三时十五分十五秒"));
		System.out.println(timeConvert("十三点一刻"));
		System.out.println(timeConvert("上午十点零五分五秒"));
		System.out.println(timeConvert("下午三时五十分五十秒"));
		System.out.println(timeConvert("十三时整"));
		System.out.println(timeConvert("十三时半"));
		System.out.println(timeConvert("十时十分十秒"));
		System.out.println(timeConvert("二十六时十分十秒"));
		System.out.println(timeConvert("二十四时十分十秒"));
		
		System.out.println(timeConvert("二十三时十五分十五秒", FORMATTER_24H));
		System.out.println(timeConvert("十三点一刻", FORMATTER_24H));
		System.out.println(timeConvert("上午十点零五分五秒", FORMATTER_24H));
		System.out.println(timeConvert("下午三时五十分五十秒", FORMATTER_24H));
		System.out.println(timeConvert("十三时整", FORMATTER_24H));
		System.out.println(timeConvert("十三时半", FORMATTER_24H));
		System.out.println(timeConvert("十时十分十秒", FORMATTER_24H));
		System.out.println(timeConvert("下午十时十分十秒", FORMATTER_24H));
		System.out.println(timeConvert("二十六时十分十秒", FORMATTER_24H));
		System.out.println(timeConvert("二十四时十分十秒", FORMATTER_24H));
		
		// 反例
		System.out.println(timeConvert("下午十午时十下分十整秒"));
		System.out.println(timeConvert("下午三十十时十分十秒1"));
		System.out.println(timeConvert("上午三十十时十分十秒"));
		System.out.println(timeConvert("下午十三十时十分十秒"));
		System.out.println(timeConvert("下午十三十时十分十秒"));
		System.out.println(timeConvert("下午十时十分十秒", "12"));
		System.out.println(timeConvert("下午十整时十分十秒"));
		System.out.println(timeConvert("下午十时整十分十秒"));
		System.out.println(timeConvert("下午十时整十分整十秒"));
		System.out.println(timeConvert("下午十时十分十秒整"));
		System.out.println(timeConvert("下午十半时十分十秒"));
		System.out.println(timeConvert("下午十时半十分十秒"));
		System.out.println(timeConvert("下午十时十分半十秒"));
		System.out.println(timeConvert("下午十时十分十秒半"));
		
		System.out.println(timeConvert("下午十午时十下分十整秒", FORMATTER_24H));
		System.out.println(timeConvert("下午三十十时十分十秒1", FORMATTER_24H));
		System.out.println(timeConvert("上午三十十时十分十秒", FORMATTER_24H));
		System.out.println(timeConvert("下午十三十时十分十秒", FORMATTER_24H));
		System.out.println(timeConvert("下午三十时十分十秒", FORMATTER_24H));
		System.out.println(timeConvert("下午十时十分十秒", "12"));
		System.out.println(timeConvert("下午十时十分十秒", FORMATTER_24H));
		System.out.println(timeConvert("下午十时十分十秒", FORMATTER_24H));	
	}
}