feat: 完成自动创建文件部分

scripts/autoload/DownloadManager.gd

@@ -1,24 +1,40 @@
 extends Node
 
+func _ready() -> void:
+	print(OS.get_user_data_dir())
+
+func create_file(file_path: String) -> void:
+	var base_dir = file_path.get_base_dir()
+	if !DirAccess.dir_exists_absolute(base_dir):
+		DirAccess.make_dir_recursive_absolute(base_dir)
+	FileAccess.open(file_path, FileAccess.WRITE)
+
 func download_file(server_path: String, local_path: String) -> void:
-    var http = HTTPRequest.new()
-    http.download_file = local_path
-    http.request(server_path)
+	var http = HTTPRequest.new()
+	add_child(http)
+	var file_path = "user://downloads_test/" + local_path
+	if !FileAccess.file_exists(file_path):
+		create_file(file_path)
+	http.set_download_file(file_path)
+	http.request(server_path)
 
 func download_from_origin() -> int:
-    var origin = GameManager.data_origin
-    var http = HTTPRequest.new()
+	var origin = GameManager.data_origin
+	var http = HTTPRequest.new()
+	add_child(http)
 
-    if origin.substr(0, 4) != "http":
-        return 1
-    
-    if http.request(origin) != OK:
-        return 2
+	if origin.substr(0, 4) != "http":
+		return 1
+	
+	if http.request(origin) != OK:
+		return 2
 
-    if origin[-1] != "/":
-        origin = origin + "/"
+	if origin[-1] != "/":
+		origin = origin + "/"
 
-    return 0
+	download_file(origin + "card/id/Oxygen", "test_Oxygen.json")
+
+	return 0
 
 func load_resource():
-    pass
+	pass