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src/main/java/com/zhgd/xmgl/util/ReflectionUtil.java

@@ -1,6 +1,10 @@
 package com.zhgd.xmgl.util;
 
 import cn.hutool.core.util.StrUtil;
+import com.baomidou.mybatisplus.extension.api.R;
+import lombok.Data;
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.poi.ss.formula.functions.T;
 import org.springframework.util.ClassUtils;
 import org.springframework.util.ReflectionUtils;
 
@@ -8,6 +12,7 @@ import java.beans.Introspector;
 import java.lang.invoke.SerializedLambda;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
@@ -17,7 +22,10 @@ import java.util.stream.Collectors;
 /**
  * 方法引用获取属性名工具类
  */
+@Data
 public class ReflectionUtil {
+    private String alias;
+    private List<SerializableFunction<T, R>> functions;
 
     private static Map<SerializableFunction<?, ?>, Field> cache = new ConcurrentHashMap<>();
 
@@ -25,6 +33,20 @@ public class ReflectionUtil {
         return Arrays.stream(functions).map(ReflectionUtil::getFieldName).collect(Collectors.toList());
     }
 
+    public static <T, R> List<String> getFieldNameListWithAlias(List<ReflectionUtil> list) {
+        if (CollectionUtils.isEmpty(list)) {
+            return null;
+        }
+        ArrayList<String> l = new ArrayList<>();
+        for (ReflectionUtil reflectionUtil : list) {
+            for (SerializableFunction<org.apache.poi.ss.formula.functions.T, com.baomidou.mybatisplus.extension.api.R> function : reflectionUtil.getFunctions()) {
+                String fieldName = getFieldName(function);
+                l.add(reflectionUtil.getAlias() + "." + fieldName);
+            }
+        }
+        return l;
+    }
+
     public static <T, R> String getFieldNameToUlc(SerializableFunction<T, R> function) {
         return StrUtil.toUnderlineCase(getFieldName(function));
     }