【小工具类】Unicode字符串转换成汉字

import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Test {

public static void main(String[] args) throws IOException {

String str = "\u3010\u6821\u53CB\u5DE5\u4F5C\u3011\u6CD5\u653F\u5B66\u9662\u8D70\u8BBF\u6E29\u5DDE\u6821\u53CB\u4F1A";
String str1 = encodingtoStr(str);
System.out.println(str1); //【校友工作】法政学院走访温州校友会
}

/**
* 将Unicode字符串转换成汉字
* @param str Unicode字符串
* @return
*/
public static String encodingtoStr(String str) {
Pattern pattern = Pattern.compile("(\\\\u(\\p{XDigit}{4}))");
Matcher matcher = pattern.matcher(str);
char ch;
while (matcher.find()) {
ch = (char) Integer.parseInt(matcher.group(2), 16);
str = str.replace(matcher.group(1), ch + "");
}
return str;
}

}