excel导出中poi支持中文的方法
/** *把字符串转成utf8编码，保证中文文件名不会乱码 * @param s * @return */public static String toUtf8String(String s){StringBuffer sb = new StringBuffer();for (int i=0;i<s.length();i++){char c = s.charAt(i);if (c >= 0 && c <= 255){sb.append(c);}else{byte[] b;try { b = Character.toString(c).getBytes("utf-8");}catch (Exception ex) {System.out.println(ex);b = new byte;}for (int j = 0; j < b.length; j++) {int k = b;if (k < 0) k += 256;sb.append("%" + Integer.toHexString(k).toUpperCase());}}}return sb.toString();}
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