/** * * @param str 要截取的字符串 如输入:测试testing嘻嘻 * @param length 截取的字符串位数 :12 * 结果:测试testing... * @return */ public String subStringByBytes(String str, int length) { String result = ""; int i = 0; int j = 0; StringBuffer buff = new StringBuffer(str); String stmp; int len = buff.length(); for (i = 0; i < len; i++) { if (j < length) { stmp = buff.substring(i, i + 1); try { stmp = new String(stmp.getBytes("utf-8")); } catch (Exception e) { e.printStackTrace(); } if (stmp.getBytes().length > 1) { j += 2; } else { j += 1; } result += stmp; }else{ break; } } if (j > length) { result = result.substring(0, result.length() - 1); } result += "..."; return result; }
java按字节数截取字符串
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转载自aniyo.iteye.com/blog/1564114
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