GreenDao3实体套实体保存

接上一篇的基本使用

比如这种

生成实体类,大家都是一样的操作了,推荐使用GsonFormat。

@Entity
public class DataEntity {
    private String deptName;
    @Id
    private String empId;
    private String empName;
    private String loginName;
    private String mCarNo;
    private String photo;
    private String postName;
    @Convert(converter = EmpPointListConvert.class, columnType = String.class)
    private List<EmpPointListEntity> empPointList;

此处省略一万行自动生成的代码

EmpPointListConvert代码如下,记得添加fastjson:

public class EmpPointListConvert implements PropertyConverter<List<EmpPointListEntity>, String> {
    @Override
    public List<EmpPointListEntity> convertToEntityProperty(String databaseValue) {
        return JSON.parseArray(databaseValue, EmpPointListEntity.class);
    }

    @Override
    public String convertToDatabaseValue(List<EmpPointListEntity> entityProperty) {
        return JSON.toJSONString(entityProperty);
    }
}

再来一组比较:
single

@Entity
public class DataSingleEntity {
    private String deptName;
    @Id
    private String empId;
    private String empName;
    private String loginName;
    private String mCarNo;
    private String photo;
    private String postName;
    @Convert(converter = EmpPointConvert.class, columnType = String.class)
    private EmpPointListEntity empPointList;
此处省略一万行自动生成的代码
}

EmpPointConvert代码如下:

public class EmpPointConvert implements PropertyConverter<EmpPointListEntity, String> {
    @Override
    public EmpPointListEntity convertToEntityProperty(String databaseValue) {
        return JSON.parseObject(databaseValue, EmpPointListEntity.class);
    }

    @Override
    public String convertToDatabaseValue(EmpPointListEntity entityProperty) {
        return JSON.toJSONString(entityProperty);
    }
}

下面点个锤子吧

点个锤子

贴一张保存后的数据库吧:

保存的数据

代码下载

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转载自blog.csdn.net/qq_26413249/article/details/79046323