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java中按字节截取String字符串. |
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作者:未知 来源:月光软件站 加入时间:2005-5-13 月光软件站 |
/** * 取字符串的前toCount个字符 * * @param str 被处理字符串 * @param toCount 截取长度 * @param more 后缀字符串 * @version 2004.11.24 * @author zhulx * @return String */ public static String substring(String str, int toCount,String more) { int reInt = 0; String reStr = ""; if (str == null) return ""; char[] tempChar = str.toCharArray(); for (int kk = 0; (kk < tempChar.length && toCount > reInt); kk++) { String s1 = str.valueOf(tempChar[kk]); byte[] b = s1.getBytes(); reInt += b.length; reStr += tempChar[kk]; } if (toCount == reInt || (toCount == reInt - 1)) reStr += more; return reStr; }
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