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

package com.fr.function;

import com.fr.script.AbstractFunction;

public class StringCat extends AbstractFunction {
    public Object run(Object[] args) {
        String result = "";
        Object para;
        for (int i = 0; i < args.length; i++) {
            para = args[i];
            result += para.toString();
        }
        return result;
    }
}