枚举类参数和响应

src/main/java/com/laker/admin/framework/ext/mvc/IEnumConvert.java → src/main/java/com/laker/admin/framework/ext/mvc/IEnum.java

 package com.laker.admin.framework.ext.mvc;
 
-/**
- * @author: laker
- * @date: 2022/11/25
- **/
-public interface IEnumConvert {
-
-    String getValue();
-
+import java.io.Serializable;
 
+/**
+ * @author laker
+ */
+public interface IEnum<T extends Serializable> {
+    T getValue();
 }

src/main/java/com/laker/admin/framework/ext/mvc/StringToEnumConvertFactory.java

@@ -15,18 +15,18 @@ public class StringToEnumConvertFactory implements ConditionalGenericConverter {
 
     @Override
     public boolean matches(TypeDescriptor sourceType, TypeDescriptor targetType) {
-        return IEnumConvert.class.isAssignableFrom(targetType.getObjectType()) && sourceType.getObjectType() == String.class;
+        return IEnum.class.isAssignableFrom(targetType.getObjectType()) && sourceType.getObjectType() == String.class;
     }
 
     @Override
     public Set<ConvertiblePair> getConvertibleTypes() {
-        return null;// NOSONAR
+        return null;
     }
 
     @Override
     public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
-        IEnumConvert[] enums = (IEnumConvert[]) targetType.getObjectType().getEnumConstants();
-        for (IEnumConvert anEnum : enums) {
+        IEnum[] enums = (IEnum[]) targetType.getObjectType().getEnumConstants();
+        for (IEnum anEnum : enums) {
             if (Objects.equals(anEnum.getValue(), source)) {
                 return anEnum;
             }

src/main/java/com/laker/admin/module/enums/DemoEnum.java

-package com.laker.admin.module.enums;
-
-import com.fasterxml.jackson.annotation.JsonValue;
-import com.laker.admin.framework.ext.mvc.IEnumConvert;
-import lombok.Getter;
-
-@Getter
-public enum DemoEnum implements IEnumConvert {
-    START(1, "start"), STOP(0, "stop");
-
-    DemoEnum(int code, String descp) {
-        this.code = code;
-        this.descp = descp;
-    }
-
-    private final int code;
-    private final String descp;
-
-    @Override
-    @JsonValue
-    public String getValue() {
-        return descp;
-    }
-}

src/main/java/com/laker/admin/module/enums/Distance.java

 package com.laker.admin.module.enums;
 
-import com.laker.admin.framework.ext.mvc.IEnumConvert;
+import com.fasterxml.jackson.annotation.JsonValue;
+import com.laker.admin.framework.ext.mvc.IEnum;
 
-public enum Distance implements IEnumConvert {
+
+public enum Distance implements IEnum<String> {
     KILOMETER("km", 1000),
     MILE("miles", 1609.34),
     METER("meters", 1);
-
     private String unit;
     private final double meters;
 
@@ -16,6 +17,7 @@ public enum Distance implements IEnumConvert {
     }
 
     @Override
+    @JsonValue
     public String getValue() {
         return unit;
     }

src/main/java/com/laker/admin/module/ext/controller/DemoController.java

 package com.laker.admin.module.ext.controller;
 
 import com.github.xiaoymin.knife4j.annotations.ApiSupport;
-import com.laker.admin.module.enums.DemoEnum;
 import com.laker.admin.module.enums.DemoTypeEnum;
-import com.laker.admin.module.ext.vo.qo.DemoQo;
+import com.laker.admin.module.enums.Distance;
+import com.laker.admin.module.ext.vo.qo.City;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
@@ -36,21 +36,21 @@ public class DemoController {
 
     @GetMapping("/1")
     @ApiOperation(value = "枚举 - querystring")
-    public void pageAll2(DemoEnum type) {
-        log.info(type.toString());
+    public void pageAll2(Distance distance) {
+        log.info(distance.toString());
     }
 
     @GetMapping("/2")
     @ApiOperation(value = "实体 - querystring")
-    public void pageAll3(DemoQo type) {
-        log.info(type.toString());
+    public void pageAll3(City city) {
+        log.info(city.toString());
     }
 
     @PostMapping("/3")
     @ApiOperation(value = "实体 - json")
-    public DemoQo pageAll4(@RequestBody DemoQo type) {
-        log.info(type.toString());
-        return type;
+    public City pageAll4(@RequestBody City city) {
+        log.info(city.toString());
+        return city;
     }
 
 }
\ No newline at end of file

src/main/java/com/laker/admin/module/ext/vo/qo/City.java

+package com.laker.admin.module.ext.vo.qo;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.laker.admin.module.enums.Distance;
+import lombok.Data;
+
+@Data
+public class City {
+    private String id;
+    @JsonFormat(shape = JsonFormat.Shape.OBJECT)
+    private Distance distance;
+}

src/main/java/com/laker/admin/module/ext/vo/qo/DemoQo.java

 package com.laker.admin.module.ext.vo.qo;
 
-import com.laker.admin.module.enums.DemoEnum;
 import com.laker.admin.module.enums.Distance;
 import lombok.Data;
 
 @Data
 public class DemoQo {
-    private DemoEnum demo;
     private Distance distance;
     private String city;
     private Integer value;