spring mvc的DataBinder、Validator、BeanWrapper、ConversionService、Formatter

https://blog.csdn.net/alex_xfboy/article/details/88076245

  public static void main(String[] args) {
        ApplicationContext context = new AnnotationConfigApplicationContext();
        LocalDateTime dateTime = LocalDateTime.now();
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
        //创建 CustomDateEditor 对象
        CustomDateEditor editor = new CustomDateEditor(dateFormat, true);
        //注册为日期类型的自定义编辑器
        // binder.registerCustomEditor(Date.class, editor);
       
        Person person = new Person();
        DataBinder binder = new DataBinder(person, "person");


        binder.addCustomFormatter(new DateFormatter());
        // 创建用于绑定到对象上的属性对（属性名称，属性值）
        MutablePropertyValues pvs = new MutablePropertyValues();
        pvs.add("name", 12);
        pvs.add("age", true);
        pvs.add("dateTime", "2020-03-26");
        binder.bind(pvs);
        System.out.println(person.toString());
        // 程序打印：Person{name='dmz', age=18}


   }
   class Person extends FatherPerson {

    String name;

    Boolean age;

    Date dateTime;

    public Date getDateTime() {
        return dateTime;
    }

    public void setDateTime(Date dateTime) {
        this.dateTime = dateTime;
    }
//    public LocalDateTime getDateTime() {
//        return dateTime;
//    }
//
//    public void setDateTime(LocalDateTime dateTime) {
//        System.out.println(dateTime);
//        this.dateTime = LocalDateTime.now();
//    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Boolean getAge() {
        return age;
    }

    public void setAge(Boolean age) {
        this.age = age;
    }

    @Override
    public String toString() {
        return "Person{" +
                "name='" + name + ''' +
                ", age=" + age +
                ", dateTime=" + dateTime +
                ", fastName=" + fastName +
                '}';
    }
}