Twocold Java将Unicode转中文汉字

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本文介绍了一种使用Java将Unicode编码转换为中文字符的方法，并提供了一个示例代码片段，该方法可以解析转义序列并将其转换为对应的中文字符。

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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();