Spring Boot使用 Jackson 注解
Spring Boot Jackson JSON About 1,199 words示例
Bean
@Data
//@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonInclude(JsonInclude.Include.NON_EMPTY)
//@JsonPropertyOrder(value = {"date", "a-username"})
@JsonPropertyOrder(alphabetic = true)
public class Test {
    @JsonIgnore
    private String id;
    @JsonProperty("a-username")
    private String name;
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone="Asia/Shanghai")
    private Date date;
    private String nil;
}Controller
@RestController
public class TestController {
    @GetMapping("/")
    public Test test() {
        Test test = new Test();
        test.setId("this is id");
        test.setName("this is name");
        test.setDate(new Date());
        return test;
    }
}输出
{"a-username":"this is name","date":"2021-01-05 11:11:49"}注解含义
@JsonIgnore
序列化或反序列化时忽略指定字段。
@JsonIgnore@JsonProperty
序列化或反序列化时更改字段名称。
@JsonProperty("a-username")@JsonFormat
序列化或反序列化时格式化日期类。
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone="Asia/Shanghai")@JsonInclude
序列化或反序列化时忽略为null或""的字段。
@JsonInclude(JsonInclude.Include.NON_EMPTY)@JsonPropertyOrder
序列化或反序列化时指定字段顺序。
按字母表顺序。
@JsonPropertyOrder(alphabetic = true)按指定顺序。
@JsonPropertyOrder(value = {"date", "a-username"})
                Views: 2,563 · Posted: 2021-01-07
            
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