有时候我们不需要把实体的所有属性都导出,只想把一部分属性导出为Json.
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有时候我们的实体类会随着版本的升级而修改.
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有时候我们想对输出的json默认排好格式.
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请看下面的例子吧:
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实体类:
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- import?java.util.Date;??
- ??
- import?com.google.gson.annotations.Expose;??
- import?com.google.gson.annotations.SerializedName;??
- ??
- public?class?Student?{??
- ????private?int?id;??
- ??????
- ????@Expose??
- ????private?String?name;??
- ??????
- ????@Expose??
- ????@SerializedName("bir")??
- ????private?Date?birthDay;??
- ??
- ????public?int?getId()?{??
- ????????return?id;??
- ????}??
- ??
- ????public?void?setId(int?id)?{??
- ????????this.id?=?id;??
- ????}??
- ??
- ????public?String?getName()?{??
- ????????return?name;??
- ????}??
- ??
- ????public?void?setName(String?name)?{??
- ????????this.name?=?name;??
- ????}??
- ??
- ????public?Date?getBirthDay()?{??
- ????????return?birthDay;??
- ????}??
- ??
- ????public?void?setBirthDay(Date?birthDay)?{??
- ????????this.birthDay?=?birthDay;??
- ????}??
- ??
- ????@Override??
- ????public?String?toString()?{??
- ????????return?"Student?[birth
