1：多對一配置
private Set<DrawRecordModel> cjrecordsSet = new HashSet<DrawRecordModel>(); 正确
private HashSet<DrawRecordModel> cjrecordsSet = new HashSet<DrawRecordModel>();錯誤
1：多對一配置
private Set<DrawRecordModel> cjrecordsSet = new HashSet<DrawRecordModel>(); 正确
private HashSet<DrawRecordModel> cjrecordsSet = new HashSet<DrawRecordModel>();錯誤
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