example/src/main/java/com/fr/function/Ubm.java

// 自定义函数Unicode编码转化为中文 
package com.fr.function;

import com.fr.script.AbstractFunction;

public class Ubm extends AbstractFunction {
    public Object run(Object[] args) {
        String str = args[0].toString();
        String st = "";
        StringBuffer buffer = new StringBuffer();
        while (str.length() > 0) {
            if (str.startsWith("%u")) {
                st = str.substring(2, 6);
                char ch = (char) Integer.parseInt(String.valueOf(st), 16);
                buffer.append(new Character(ch).toString());
                str = str.substring(6);
            } else {
                st = str.substring(0, str.indexOf("%u"));
                buffer.append(st);
                str = str.substring(st.length());
            }
        }
        return buffer.toString();
    }
}