js.jar

boolea b=false;
Context cx = Context.enter();
		try {

			Scriptable scope = cx.initStandardObjects();
			Object result = cx.evaluateString(scope, 公式, null, 1, null);
			b = Context.toBoolean(result);
			return b;
		} catch (Exception e) {
			return b;
		} finally {
			Context.exit();
		}