統一枚舉,對外提供一勞永逸的訪問接口

 

/**
 * 枚舉實體類
 * @date 2019-12-12
 */
public class EnumModel {

    private int code;

    public  String name;

    public int getCode() {
        return code;
    }

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

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

}

 

/**
 * 枚舉的統一接口
 * @since  2020-02-19
 */
public interface  EnumMessage {
    /**
     * 枚舉的編碼
     */
   int getCode();

    /**
     * 枚舉的名稱
     */
   String getName();
}

// 實現統一枚舉類接口
public enum TaskType implements EnumMessage {

    EXCEPTION_CHECK(1, "異常檢查任務"),
    EXCEPTION_RECTIFY(2, "異常整改任務"),
    CUSTOM_EXCEPTION_RECTIFY(3, "自定義異常整改任務");

    private int code;
    private String name;

    public int getCode() {
        return this.code;
    }

    public String getName() {
        return this.name;
    }

    TaskType(int code, String name) {
        this.code= code;
        this.name= name;
    }

   
}

/**
 * 枚舉工具類
 * @date 2020-02-12
 */
public class EnumUtil {
    
    // 對應枚舉類的包路徑
    public  static final  String defautPackage="com.xxx.quality.enums";

    public  static List<EnumModel> getByName(String shortName){
        if (StringUtils.isEmpty(shortName)) {
            return new ArrayList<>();
        }
        String methodName = "values";

        String packageName=defautPackage+"."+shortName;
        List<EnumModel> enumModels=new ArrayList<>();

        try{
            Class<?> cls= Class.forName(packageName);
            Method method = cls.getMethod(methodName);
            EnumMessage[] list = (EnumMessage[])method.invoke(null, null);
            for(EnumMessage msg : list){
                EnumModel model=new EnumModel();
                model.setCode(msg.getCode());
                model.setName(msg.getName());
                enumModels.add(model);
            }
        }
        catch (Exception ex){}

        return enumModels;
    }
}

 

/**
 * 獲取枚舉映射關係
 * @author xulihui
 * @date 2020-02-12
 */
@RestController
@RequestMapping("/api/enum")
public class EnumController {

	@GetMapping("/getByName")
	public JsonResult getByName(@RequestParam(value = "name",required = false) String shortName) {
		List<EnumModel> list= EnumUtil.getByName(shortName);
		return JsonResult.ok(list);
	}

}

訪問地址:  http://地址/api/enum/getByName?name=TaskType  類名

返回結果:

{
    "status": "ok",
    "msg": "ok",
    "data": [
        {
            "code": 1,
            "name": "異常檢查任務"
        },
        {
            "code": 2,
            "name": "異常整改任務"
        },
        {
            "code": 3,
            "name": "自定義異常整改任務"
        }
    ],
    "timestamp": 1587133277375
}