public static String convertEncode(String str) {
        if (nullOrEmpty(str)) {
            return null;
        }
        try {
            return new String(str.getBytes(), "UTF-8");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return str;
    }
public static String convertEncode(String str) {
        if (nullOrEmpty(str)) {
            return null;
        }
        try {
            return new String(str.getBytes(), "UTF-8");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return str;
    }
public static String convertEncode ( String str ) { if ( nullOrEmpty ( str ) ) { return null ; } try { return new String ( str . getBytes ( ) , "UTF-8" ) ; } catch ( UnsupportedEncodingException e ) { e . printStackTrace ( ) ; } return str ; }
<br>
2013-8-28 下午5:26:24

@param str
@return
<br > 2013 - 8 - 28 下午5 : 26 : 24