杰克逊嵌入式Java对象的反序列化
发布时间:2020-09-25 06:26:09  所属栏目:Java  来源:互联网 
            导读:我必须反序列化以下json使用杰克逊图书馆进入客户类 { code:C001, city: Pune, street: ABC Road} 和类作为 class Address{ String city; String street;}class Customer{ String code; Address addr
                
                
                
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                         我必须反序列化以下json使用杰克逊图书馆进入客户类 {
   "code":"C001","city": "Pune","street": "ABC Road"
} 
 和类作为 class Address{
    String city;
    String street;
}
class Customer{
    String code;
    Address address;
} 
 我已经在堆栈上找到了类似的问题 但答案不适用于我的情况.另外我只想使用杰克逊图书馆. 如何将此json映射到Customer对象? 解决方法您可以在客户类的“地址”字段中添加一个 @JsonUnwrapped注释.这是一个例子:public class JacksonValue {
    final static String JSON = "{n"
            +"   "code":"C001",n"
            +"   "city": "Pune",n"
            +"   "street": "ABC Road"n"
            +"}";
    static class Address {
        public String city;
        public String street;
        @Override
        public String toString() {
            return "Address{" +
                    "city='" + city + ''' +
                    ",street='" + street + ''' +
                    '}';
        }
    }
    static class Customer {
        public String code;
        @JsonUnwrapped
        public Address address;
        @Override
        public String toString() {
            return "Customer{" +
                    "code='" + code + ''' +
                    ",address=" + address +
                    '}';
        }
    }
    public static void main(String[] args) throws IOException {
        final ObjectMapper mapper = new ObjectMapper();
        System.out.println(mapper.readValue(JSON,Customer.class));
    }
} 
 输出: Customer{code='C001',address=Address{city='Pune',street='ABC Road'}}                        (编辑:莱芜站长网) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容!  | 
                  
