refactor: 后端包结构重构、去除无用的文件

server/pkg/utils/array_utils.go

@@ -0,0 +1,33 @@
+package utils
+
+// 数组比较
+// 依次返回，新增值，删除值，以及不变值
+func ArrayCompare(newArr []interface{}, oldArr []interface{}, compareFun func(interface{}, interface{}) bool) ([]interface{}, []interface{}, []interface{}) {
+	var unmodifierValue []interface{}
+	ni, oi := 0, 0
+	for {
+		if ni >= len(newArr) {
+			break
+		}
+		nv := newArr[ni]
+		for {
+			if oi >= len(oldArr) {
+				oi = 0
+				break
+			}
+			ov := oldArr[oi]
+			if compareFun(nv, ov) {
+				unmodifierValue = append(unmodifierValue, nv)
+				// 新数组移除该位置值
+				newArr = append(newArr[:ni], newArr[ni+1:]...)
+				oldArr = append(oldArr[:oi], oldArr[oi+1:]...)
+				ni = ni - 1
+				oi = oi - 1
+			}
+			oi = oi + 1
+		}
+		ni = ni + 1
+	}
+
+	return newArr, oldArr, unmodifierValue
+}