test.java

使用JSP+MSSQL开发的在线通讯录系统.包含源码

package com.e98.addressbook.common;

import java.io.DataOutputStream;
import java.io.IOException;

public class Test {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		gbEncoding("页");
	
	}

	public static void writeUnicode(final DataOutputStream out,
			final String value) {
		try {
			final String unicode = gbEncoding(value);
			final byte[] data = unicode.getBytes();
			final int dataLength = data.length;

			System.out.println("Data Length is: " + dataLength);
			System.out.println("Data is: " + value);
			out.writeInt(dataLength); // 先写出字符串的长度
			out.write(data, 0, dataLength); // 然后写出转化后的字符串
		} catch (IOException e) {

		}
	}

	public static String gbEncoding(final String gbString) {
		char[] utfBytes = gbString.toCharArray();
		String unicodeBytes = "";
		for (int byteIndex = 0; byteIndex < utfBytes.length; byteIndex++) {
			String hexB = Integer.toHexString(utfBytes[byteIndex]);
			if (hexB.length() <= 2) {
				hexB = "00" + hexB;
			}
			unicodeBytes = unicodeBytes + "\\u" + hexB;
		}
		System.out.println("unicodeBytes is: " + unicodeBytes);
		return unicodeBytes;
	}

	private static String decodeUnicode(final String dataStr) {
		int start = 0;
		int end = 0;
		final StringBuffer buffer = new StringBuffer();
		while (start > -1) {
			end = dataStr.indexOf("\\\\u", start + 2);
			String charStr = "";
			if (end == -1) {
				charStr = dataStr.substring(start + 2, dataStr.length());
			} else {
				charStr = dataStr.substring(start + 2, end);
			}
			char letter = (char) Integer.parseInt(charStr, 16); // 16进制parse整形字符串。
			buffer.append(new Character(letter).toString());
			start = end;
		}
		return buffer.toString();
	}

}