copy

src/main/java/com/aps/common/util/ProductionDeepCopyUtil.java

+package com.aps.common.util;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+/**
+ * 生产环境可用的深拷贝工具类
+ */
+public class ProductionDeepCopyUtil {
+    
+    private static final ObjectMapper objectMapper = createProductionObjectMapper();
+    
+    private static ObjectMapper createProductionObjectMapper() {
+        ObjectMapper mapper = new ObjectMapper();
+        
+        // 必须的配置
+        mapper.registerModule(new JavaTimeModule());
+        mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
+        mapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
+        
+        // 可选的安全配置
+        mapper.configure(com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
+        mapper.configure(com.fasterxml.jackson.core.JsonGenerator.Feature.IGNORE_UNKNOWN, true);
+        
+        return mapper;
+    }
+    
+    /**
+     * 安全的深拷贝（带错误处理）
+     */
+    public static <T> T deepCopy(T source) {
+        return deepCopy(source, null);
+    }
+    
+    /**
+     * 指定类型的深拷贝
+     */
+    @SuppressWarnings("unchecked")
+    public static <T> T deepCopy(T source, Class<T> clazz) {
+        if (source == null) {
+            return null;
+        }
+        
+        try {
+            Class<?> targetClass = (clazz != null) ? clazz : source.getClass();
+            String json = objectMapper.writeValueAsString(source);
+            return (T) objectMapper.readValue(json, targetClass);
+        } catch (Exception e) {
+            throw new RuntimeException("深拷贝失败: " + e.getMessage(), e);
+        }
+    }
+    
+    /**
+     * 带默认值的深拷贝
+     */
+    public static <T> T deepCopy(T source, T defaultValue) {
+        try {
+            return deepCopy(source);
+        } catch (Exception e) {
+            System.err.println("深拷贝失败，使用默认值: " + e.getMessage());
+            return defaultValue;
+        }
+    }
+    
+    /**
+     * 列表深拷贝
+     */
+    public static <T> List<T> deepCopyList(List<T> source) {
+        if (source == null) {
+            return new ArrayList<>();
+        }
+        
+        try {
+            String json = objectMapper.writeValueAsString(source);
+            return objectMapper.readValue(json, 
+                objectMapper.getTypeFactory().constructCollectionType(List.class, 
+                    source.isEmpty() ? Object.class : source.get(0).getClass()));
+        } catch (Exception e) {
+            throw new RuntimeException("列表深拷贝失败", e);
+        }
+    }
+}
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