轉自:http://blog.csdn.net/hujingn/article/details/5791130
中文逗號轉爲UTF-8編碼後爲,,想解碼,js中的代碼爲-》
function ResChinese(obj,btn) { document.getElementById("contents").value=unescape(obj.value.replace(/&#x/g,'%u').replace(/;/g,'')); }
Java中的代碼可參照:
public class EscapeUnescape { public static String escape(String src) { int i; char j; StringBuffer tmp = new StringBuffer(); tmp.ensureCapacity(src.length() * 6); for (i = 0; i < src.length(); i++) { j = src.charAt(i); if (Character.isDigit(j) || Character.isLowerCase(j) || Character.isUpperCase(j)) tmp.append(j); else if (j < 256) { tmp.append("%"); if (j < 16) tmp.append("0"); tmp.append(Integer.toString(j, 16)); } else { tmp.append("%u"); tmp.append(Integer.toString(j, 16)); } } return tmp.toString(); } public static String unescape(String src) { StringBuffer tmp = new StringBuffer(); tmp.ensureCapacity(src.length()); int lastPos = 0, pos = 0; char ch; while (lastPos < src.length()) { pos = src.indexOf("%", lastPos); if (pos == lastPos) { if (src.charAt(pos + 1) == 'u') { ch = (char) Integer.parseInt(src .substring(pos + 2, pos + 6), 16); tmp.append(ch); lastPos = pos + 6; } else { ch = (char) Integer.parseInt(src .substring(pos + 1, pos + 3), 16); tmp.append(ch); lastPos = pos + 3; } } else { if (pos == -1) { tmp.append(src.substring(lastPos)); lastPos = src.length(); } else { tmp.append(src.substring(lastPos, pos)); lastPos = pos; } } } return tmp.toString(); } /** * @disc 對字符串重新編碼 * @param src * @return */ public static String isoToGB(String src) { String strRet = null; try { strRet = new String(src.getBytes("ISO_8859_1"), "GB2312"); } catch (Exception e) { } return strRet; } /** * @disc 對字符串重新編碼 * @param src * @return */ public static String isoToUTF(String src) { String strRet = null; try { strRet = new String(src.getBytes("ISO_8859_1"), "UTF-8"); } catch (Exception e) { } return strRet; } public static void main(String[] args) { String tmp = "中文"; System.out.println("testing escape : " + tmp); tmp = escape(tmp); System.out.println(tmp); System.out.println("testing unescape :" + tmp); System.out.println(unescape("%u6211%u4eec")); System.out.println(isoToUTF(tmp)); } }