add 新增自定义字典值校验器

ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/DictService.java

@@ -84,4 +84,13 @@ public interface DictService {
      */
     List<DictDataDTO> getDictData(String dictType);
 
+    /**
+     * 校验指定的字典类型下是否存在指定的字典值
+     *
+     * @param dictType  字典类型
+     * @param dictValue 字典值
+     * @return true 表示该字典值在指定字典类型中有效；false 表示无效
+     */
+    Boolean isValidDictValue(String dictType, String dictValue);
+
 }

ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/validate/dict/DictValue.java

@@ -0,0 +1,35 @@
+package org.dromara.common.core.validate.dict;
+
+import jakarta.validation.Constraint;
+import jakarta.validation.Payload;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * 字典项校验注解
+ *
+ * @author AprilWind
+ */
+@Constraint(validatedBy = DictValueValidator.class)
+@Target({ElementType.FIELD, ElementType.PARAMETER})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface DictValue {
+
+    /**
+     * 字典类型，如 "sys_user_sex"
+     */
+    String dictType();
+
+    /**
+     * 默认校验失败提示信息
+     */
+    String message() default "字典值无效";
+
+    Class<?>[] groups() default {};
+
+    Class<? extends Payload>[] payload() default {};
+
+}

ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/validate/dict/DictValueValidator.java

@@ -0,0 +1,42 @@
+package org.dromara.common.core.validate.dict;
+
+import jakarta.validation.ConstraintValidator;
+import jakarta.validation.ConstraintValidatorContext;
+import org.dromara.common.core.service.DictService;
+import org.dromara.common.core.utils.SpringUtils;
+
+/**
+ * 自定义字典值校验器
+ *
+ * @author AprilWind
+ */
+public class DictValueValidator implements ConstraintValidator<DictValue, String> {
+
+    /**
+     * 字典类型
+     */
+    private String dictType;
+
+    /**
+     * 初始化校验器，提取注解上的字典类型
+     *
+     * @param annotation 注解实例
+     */
+    @Override
+    public void initialize(DictValue annotation) {
+        this.dictType = annotation.dictType();
+    }
+
+    /**
+     * 校验字段值是否为指定字典类型中的合法值
+     *
+     * @param value   被校验的字段值
+     * @param context 校验上下文（可用于构建错误信息）
+     * @return true 表示校验通过（合法字典值），false 表示不通过
+     */
+    @Override
+    public boolean isValid(String value, ConstraintValidatorContext context) {
+        return SpringUtils.getBean(DictService.class).isValidDictValue(dictType, value);
+    }
+
+}

ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/validate/enumd/EnumPatternValidator.java

@@ -1,37 +1,37 @@
-package org.dromara.common.core.validate.enumd;
-
-import jakarta.validation.ConstraintValidator;
-import jakarta.validation.ConstraintValidatorContext;
-import org.dromara.common.core.utils.StringUtils;
-import org.dromara.common.core.utils.reflect.ReflectUtils;
-
-/**
- * 自定义枚举校验注解实现
- *
- * @author 秋辞未寒
- * @date 2024-12-09
- */
-public class EnumPatternValidator implements ConstraintValidator<EnumPattern, String> {
-
-    private EnumPattern annotation;;
-
-    @Override
-    public void initialize(EnumPattern annotation) {
-        ConstraintValidator.super.initialize(annotation);
-        this.annotation = annotation;
-    }
-
-    @Override
-    public boolean isValid(String value, ConstraintValidatorContext constraintValidatorContext) {
-        if (StringUtils.isNotBlank(value)) {
-            String fieldName = annotation.fieldName();
-            for (Object e : annotation.type().getEnumConstants()) {
-                if (value.equals(ReflectUtils.invokeGetter(e, fieldName))) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-
-}
+package org.dromara.common.core.validate.enumd;
+
+import jakarta.validation.ConstraintValidator;
+import jakarta.validation.ConstraintValidatorContext;
+import org.dromara.common.core.utils.StringUtils;
+import org.dromara.common.core.utils.reflect.ReflectUtils;
+
+/**
+ * 自定义枚举校验注解实现
+ *
+ * @author 秋辞未寒
+ * @date 2024-12-09
+ */
+public class EnumPatternValidator implements ConstraintValidator<EnumPattern, String> {
+
+    private EnumPattern annotation;
+
+    @Override
+    public void initialize(EnumPattern annotation) {
+        ConstraintValidator.super.initialize(annotation);
+        this.annotation = annotation;
+    }
+
+    @Override
+    public boolean isValid(String value, ConstraintValidatorContext constraintValidatorContext) {
+        if (StringUtils.isNotBlank(value)) {
+            String fieldName = annotation.fieldName();
+            for (Object e : annotation.type().getEnumConstants()) {
+                if (value.equals(ReflectUtils.invokeGetter(e, fieldName))) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+}

ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDictTypeServiceImpl.java

@@ -294,4 +294,24 @@ public class SysDictTypeServiceImpl implements ISysDictTypeService, DictService
         return BeanUtil.copyToList(list, DictDataDTO.class);
     }
 
+    /**
+     * 校验指定的字典类型下是否存在指定的字典值
+     *
+     * @param dictType  字典类型
+     * @param dictValue 字典值
+     * @return true 表示该字典值在指定字典类型中有效；false 表示无效
+     */
+    @Override
+    public Boolean isValidDictValue(String dictType, String dictValue) {
+        if (StringUtils.isBlank(dictType) || StringUtils.isBlank(dictValue)) {
+            return false;
+        }
+        List<SysDictDataVo> datas = SpringUtils.getAopProxy(this).selectDictDataByType(dictType);
+        if (CollUtil.isEmpty(datas)) {
+            return false;
+        }
+        Map<String, String> map = StreamUtils.toMap(datas, SysDictDataVo::getDictValue, SysDictDataVo::getDictLabel);
+        return map.containsKey(dictValue);
+    }
+
 }