@Before(TestGlobalInterceptor.class)
    public void test() {
        String jsonString = HttpKit.readData(getRequest());
        String str = getParaJson(jsonString,"gaid")//报错位置
    }

    public void intercept(Invocation inv) {
        Controller controller= inv.getController();
        String postData=HttpKit.readData(controller.getRequest()); 
        System.out.println("拦截器1"+postData);
        inv.invoke();
        System.out.println("拦截器2");
    }

九月 13, 2018 10:24:26 上午 com.jfinal.core.ActionHandler error
严重: /api2/test
java.lang.NullPointerException
    at com.controller.BaseController.getParaJson(BaseController.java:28)
    at com.api.ApiController.test(ApiController.java:1373)