入参自动转换枚举

最新推荐文章于 2022-09-05 20:25:55 发布

原创最新推荐文章于 2022-09-05 20:25:55 发布 · 599 阅读

1 ·

CC 4.0 BY-SA版权

java基础专栏收录该内容

62 篇文章

订阅专栏


/**
* 定义一个枚举
*
*/
@Getter
public enum StatusType {

    SUCCESS("1","成功"),
    FAIL("2","失败"),
    PROCESSING("3","进行中"),
    ;

    StatusType(String code,String desc){
        this.code = code;
        this.desc = desc;
    }

    private String code;
    private String desc;

    public static StatusType getEnum(String code){
       return Stream.of(values())
                .filter(a -> a.code.equals(code))
                .findFirst()
                .orElseThrow(UnsupportedOperationException::new);
    }
}








import org.springframework.context.annotation.Configuration;
import org.springframework.format.FormatterRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/*
* 编写config配置
*/
@Configuration
public class WebConfig implements WebMvcConfigurer {

    @Override
    public void addFormatters(FormatterRegistry registry) {
        registry.addConverter(new StatusTypeConverter());
    }
}










import org.springframework.core.convert.converter.Converter;

/**
*    编写转换器
*/
public class StatusTypeConverter implements Converter<String, StatusType> {

    @Override
    public StatusType convert(String source) {
        return StatusType.getEnum(source);
    }
}




具体使用直接将controller层入参的status用StatusType接收即可。

@NotNull(message = "入参状态字段不能为空！")
private StatusType statusCode;