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import java.text.*;
import java.util.*;
/**
*
* <p>
* Title: ͨÓù¤¾ßÀà
* </p>
* <p>
* Description: ³£Óù¤¾ßµÄ¼¯ºÏ£¬ÓÃÀ´´¦Àí³£¼ûÎÊÌ⣬±ÈÈçÖÐÎÄÂÒÂëµÄ·½·¨µÈ¡£
* </p>
* <p>
* Copyright: Copyright (c) 2003
* </p>
* <p>
* Company: Towery
* </p>
*
* @author WangPinHeng
* @version 1.0
*/
public class Tools {
    public Tools() {
        //
    }
    /**
     * ×Ö·û´®Ìæ»»£¬½« source ÖÐµÄ oldString È«²¿»»³É newString
     *
     * @param source
     *            Ô´×Ö·û´®
     * @param oldString
     *            ÀϵÄ×Ö·û´®
     * @param newString
     *            еÄ×Ö·û´®
     * @return Ìæ»»ºóµÄ×Ö·û´®
     */
    private static String Replace(String source, String oldString,
            String newString) {
        StringBuffer output = new StringBuffer();
        int lengthOfSource = source.length(); // Ô´×Ö·û´®³¤¶È
        int lengthOfOld = oldString.length(); // ÀÏ×Ö·û´®³¤¶È
        int posStart = 0; // ¿ªÊ¼ËÑË÷λÖÃ
        int pos; // ËÑË÷µ½ÀÏ×Ö·û´®µÄλÖÃ
        while ((pos = source.indexOf(oldString, posStart)) >= 0) {
            output.append(source.substring(posStart, pos));
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