【7.2.5】更新针对spring mvc自定义参数接受的拓展

kernel-d-wrapper/wrapper-field-sdk/src/main/java/cn/stylefeng/roses/kernel/wrapper/field/mvc/CustomEnumGenericConverter.java

@@ -0,0 +1,71 @@
+package cn.stylefeng.roses.kernel.wrapper.field.mvc;
+
+import cn.stylefeng.roses.kernel.rule.base.ReadableEnum;
+import org.springframework.core.convert.TypeDescriptor;
+import org.springframework.core.convert.converter.GenericConverter;
+
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * 自定义枚举转化器
+ * <p>
+ * 将string，int，boolean 转化为 枚举类型
+ * <p>
+ * 枚举类型必须是实现 {@link ReadableEnum}接口的
+ *
+ * @author fengshuonan
+ * @date 2022/9/24 18:31
+ */
+public class CustomEnumGenericConverter implements GenericConverter {
+
+    /**
+     * 获取可支持的转化类型
+     *
+     * @author fengshuonan
+     * @date 2022/9/24 18:34
+     */
+    @Override
+    public Set<ConvertiblePair> getConvertibleTypes() {
+
+        Set<ConvertiblePair> convertiblePairs = new HashSet<>();
+
+        // 这里我们可以定义多组的类型转换关系
+        ConvertiblePair stringPair = new ConvertiblePair(String.class, ReadableEnum.class);
+        ConvertiblePair intPair = new ConvertiblePair(Integer.class, ReadableEnum.class);
+        ConvertiblePair booleanPair = new ConvertiblePair(Boolean.class, ReadableEnum.class);
+
+        convertiblePairs.add(stringPair);
+        convertiblePairs.add(intPair);
+        convertiblePairs.add(booleanPair);
+
+        return convertiblePairs;
+    }
+
+    /**
+     * 具体转化过程
+     *
+     * @param source     源数值
+     * @param sourceType 源类型
+     * @param targetType 目标类型
+     * @return 被转化后的值
+     * @author fengshuonan
+     * @date 2022/9/24 18:34
+     */
+    @Override
+    public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
+
+        // 如果目标是枚举并且是实现了ReadableEnum接口的
+        if (ReadableEnum.class.isAssignableFrom(targetType.getObjectType())) {
+            if (targetType.getObjectType().isEnum()) {
+                ReadableEnum<?>[] enumConstants = (ReadableEnum<?>[]) targetType.getObjectType().getEnumConstants();
+                for (ReadableEnum<?> enumConstant : enumConstants) {
+                    return enumConstant.parseToEnum(String.valueOf(source));
+                }
+            }
+        }
+
+        return source;
+    }
+
+}

kernel-d-wrapper/wrapper-spring-boot-starter/src/main/java/cn/stylefeng/roses/kernel/wrapper/starter/GunsWrapperAutoConfiguration.java

@@ -25,6 +25,7 @@
 package cn.stylefeng.roses.kernel.wrapper.starter;
 
 import cn.stylefeng.roses.kernel.wrapper.WrapperAop;
+import cn.stylefeng.roses.kernel.wrapper.field.mvc.CustomEnumGenericConverter;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -50,4 +51,15 @@ public class GunsWrapperAutoConfiguration {
         return new WrapperAop();
     }
 
+    /**
+     * 自定义spring mvc的参数转化器，将请求参数转化为枚举
+     *
+     * @author fengshuonan
+     * @date 2022/9/24 18:32
+     */
+    @Bean
+    public CustomEnumGenericConverter customEnumGenericConverter() {
+        return new CustomEnumGenericConverter();
+    }
+
 }