public static void testBigNumber() {
// 构建大数值计算引擎
FelEngine fel = FelBuilder.bigNumberEngine();
FelContext ctx = fel.getContext();
ctx.set("num", new BigInteger("22222222222222222222222222222222"));
String input = "111111111111111111111111111111+num";
Object value = fel.eval(input);
Object compileValue = fel.compile(input, ctx).eval(ctx);
System.out.println("大数值计算（解释执行）:" + value);
System.out.println("大数值计算（编译执行）:" + compileValue);
}
private static FelEngine getEngine() {
return FelBuilder.engine();
}