关于如何快速初始化Java的复杂集合对象问题

最快的方法就是手写Json格式的List<VO>，然后转成List<VO>对象

代码示例，如何快速初始化这个对象的List集合

public class State {

    @Id
    private Integer id;

    @Column(name = "ch_name")
    private String chName;

    @Column(name = "en_name")
    private String enName;

    private String code;

    private String capital;

    private String capitalen;

    private String remark;


}

对于这个List《VO》有这个数据

[
State(id=1, chName=E, enName=D, code=C, captial=B, capitalen=A, remark=F), 
State(id=1, chName=E, enName=D, code=C, captial=B, capitalen=A, remark=F), 
State(id=1, chName=E, enName=D, code=C, captial=B, capitalen=A, remark=F), 
State(id=1, chName=E, enName=D, code=C, captial=B, capitalen=A, remark=F),
State(id=1, chName=E, enName=D, code=C, captial=B, capitalen=A, remark=F)
]

转成Json后

[
{"capitalen":"A","code":"C","enName":"D","remark":"F","id":1,"captial":"B","chName":"E"},
{"capitalen":"A","code":"C","enName":"D","remark":"F","id":1,"captial":"B","chName":"E"},
{"capitalen":"A","code":"C","enName":"D","remark":"F","id":1,"captial":"B","chName":"E"},
{"capitalen":"A","code":"C","enName":"D","remark":"F","id":1,"captial":"B","chName":"E"},
{"capitalen":"A","code":"C","enName":"D","remark":"F","id":1,"captial":"B","chName":"E"}
]

怎么实现呢？

我们可以方便初始化一个JsonArray对象，然后用工具类解析生成List<Vo>对象

List<State> states = JSONUtil.toList(new JSONArray("[" +
                "{\"capitalen\":\"A\",\"code\":\"C\",\"enName\":\"D\",\"remark\":\"F\",\"id\":1,\"capital\":\"B\",\"chName\":\"E\"}," +
                "{\"capitalen\":\"A\",\"code\":\"C\",\"enName\":\"D\",\"remark\":\"F\",\"id\":1,\"capital\":\"B\",\"chName\":\"E\"}," +
                "{\"capitalen\":\"A\",\"code\":\"C\",\"enName\":\"D\",\"remark\":\"F\",\"id\":1,\"capital\":\"B\",\"chName\":\"E\"}," +
                "{\"capitalen\":\"A\",\"code\":\"C\",\"enName\":\"D\",\"remark\":\"F\",\"id\":1,\"capital\":\"B\",\"chName\":\"E\"}," +
                "{\"capitalen\":\"A\",\"code\":\"C\",\"enName\":\"D\",\"remark\":\"F\",\"id\":1,\"capital\":\"B\",\"chName\":\"E\"}" +
                "]"), State.class);

[
State(id=1, chName=E, enName=D, code=C, capital=B, capitalen=A, remark=F), 
State(id=1, chName=E, enName=D, code=C, capital=B, capitalen=A, remark=F), 
State(id=1, chName=E, enName=D, code=C, capital=B, capitalen=A, remark=F), 
State(id=1, chName=E, enName=D, code=C, capital=B, capitalen=A, remark=F), 
State(id=1, chName=E, enName=D, code=C, capital=B, capitalen=A, remark=F)
]