Java将Unicode转中文汉字

Java将Unicode转中文汉字

例如：将“\u5317

 

 

\u4eac\u767e\u5ea6\u7f51\u8baf\u79d1\u6280\u6709\u9650\u516c\u53f8”转换成“北京百度网讯科技有限公司”

 

 

 

public static String convertUnicode(String ori){

        char aChar;

        int len = ori.length();

        StringBuffer outBuffer = new StringBuffer(len);

        for (int x = 0; x < len;) {

            aChar = ori.charAt(x++);

            if (aChar == '\\') {

                aChar = ori.charAt(x++);

                if (aChar == 'u') {

                    // Read the xxxx

                    int value = 0;

                    for (int i = 0; i < 4; i++) {

                        aChar = ori.charAt(x++);

                        switch (aChar) {

                        case '0':

                        case '1':

                        case '2':

                        case '3':

                        case '4':

                        case '5':

                        case '6':

                        case '7':

                        case '8':

                        case '9':

                            value = (value << 4) + aChar - '0';

                            break;

                        case 'a':

                        case 'b':

                        case 'c':

                        case 'd':

                        case 'e':

                        case 'f':

                            value = (value << 4) + 10 + aChar - 'a';

                            break;

                        case 'A':

                        case 'B':

                        case 'C':

                        case 'D':

                        case 'E':

                        case 'F':

                            value = (value << 4) + 10 + aChar - 'A';

                            break;

                        default:

                            throw new IllegalArgumentException(

                                    "Malformed   \\uxxxx   encoding.");

                        }

                    }

                    outBuffer.append((char) value);

                } else {

                    if (aChar == 't')

                        aChar = '\t';

                    else if (aChar == 'r')

                        aChar = '\r';

                    else if (aChar == 'n')

                        aChar = '\n';

                    else if (aChar == 'f')

                        aChar = '\f';

                    outBuffer.append(aChar);

                }

            } else

                outBuffer.append(aChar);

 

        }

        return outBuffer.toString();

}