fastjson特性之解析出子类属性

解析出子类属性 标签 —SerializerFeature.WriteClassName
Demo：

public class Parent extends BaseSerializable{
    private String p1;
    private String p2;

    public String getP1() {
        return p1;
    }

    public void setP1(String p1) {
        this.p1 = p1;
    }

    public String getP2() {
        return p2;
    }

    public void setP2(String p2) {
        this.p2 = p2;
    }
}

public class Son extends Parent {
    private String s1;
    private String s2;

    public String getS1() {
        return s1;
    }

    public void setS1(String s1) {
        this.s1 = s1;
    }

    public String getS2() {
        return s2;
    }

    public void setS2(String s2) {
        this.s2 = s2;
    }

  public static void main(String[] args) {
        Son son = new Son();
        son.setS1("s1");
        son.setS2("s2");
        son.setP1("sp1");
        son.setP2("sp2");
        Son2 _son = new Son2();
        _son.setSs1("s1");
        _son.setS1("s1");
        _son.setS2("s2");
        _son.setP1("sp1");
        _son.setP2("sp2");

        ArrayList<Parent> arr= new ArrayList<>();
        arr.add(son);
        arr.add(_son);
        SerializerFeature[] features = new SerializerFeature[]{SerializerFeature.WriteClassName};
        String json = JSON.toJSONString(arr, features);
        List<Parent> p = JSONObject.parseArray(json, Parent.class);

}
public class Son2 extends Parent{
    private String s1;
    private String s2;
    private String ss1;

    public String getS1() {
        return s1;
    }

    public void setS1(String s1) {
        this.s1 = s1;
    }

    public String getS2() {
        return s2;
    }

    public void setS2(String s2) {
        this.s2 = s2;
    }

    public String getSs1() {
        return ss1;
    }

    public void setSs1(String ss1) {
        this.ss1 = ss1;
    }
}