public class BaseResponse<T> {

    private Response<T> response;

    public Response<T> getResponse() {
        return response;
    }

    public void setResponse(Response<T> response) {
        this.response = response;
    }

    public static class Info{
        private int code;

        public int getCode() {
            return code;
        }

        public void setCode(int code) {
            this.code = code;
        }
    }

    public static class Response<T>{
        private T content;
        private Info info;

        public T getContent() {
            return content;
        }

        public void setContent(T content) {
            this.content = content;
        }

        public Info getInfo() {
            return info;
        }

        public void setInfo(Info info) {
            this.info = info;
        }
    }
}

JSON.parseObject(jsonStr,type);

public class LoginResponse extends BaseResponse<LoginResponse.Body>{

    public static class Body{
        private MemberInfo memberinfo;

        public MemberInfo getMemberinfo() {
            return memberinfo;
        }

        public void setMemberinfo(MemberInfo memberinfo) {
            this.memberinfo = memberinfo;
        }
    }

    public static class MemberInfo {
        private String name;
        private String email;
        /*
         省略Getter,Setter
        */
    }
}