[数据模型] 修改了复杂查询的逻辑

src/main/java/com/tykj/model_layer/entity/customEnums/ConnectionType.java

+package com.tykj.model_layer.entity.customEnums;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @ClassName ModelType
+ * @Description TODO 模型的3种类型
+ * @Author Hxh
+ * @Date 2021/3/26 14:41
+ * @Version 1.0
+ */
+public enum ConnectionType {
+
+    OR(" or "),
+    AND(" and ");
+
+    private final String type;
+
+    ConnectionType(String type) {
+        this.type = type;
+    }
+
+
+    public String getType() {
+        return type;
+    }
+
+}