54 lines
1.5 KiB
GDScript
54 lines
1.5 KiB
GDScript
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extends Node
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@onready var http_request = $HTTPRequest
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# 下载文件
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func download_file(url: String, filename: String):
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# 构建保存路径
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var save_path = "user://" + filename
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print("开始下载: ", url)
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print("保存到: ", save_path)
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# 发送请求
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var error = http_request.request(url)
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if error != OK:
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push_error("请求发送失败: " + str(error))
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return false
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# 连接信号（一次性）
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if http_request.is_connected("request_completed", _on_request_completed):
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http_request.request_completed.disconnect(_on_request_completed)
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http_request.request_completed.connect(_on_request_completed.bind(save_path), CONNECT_ONE_SHOT)
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return true
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# 请求完成回调
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func _on_request_completed(result, response_code, headers, body, save_path):
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if result != HTTPRequest.RESULT_SUCCESS:
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push_error("下载失败，错误代码: " + str(result))
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return
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if response_code != 200:
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push_error("HTTP错误: " + str(response_code))
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return
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# 保存文件
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var file = FileAccess.open(save_path, FileAccess.WRITE)
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if file == null:
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push_error("无法创建文件: " + save_path)
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push_error("错误: " + str(FileAccess.get_open_error()))
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return
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file.store_buffer(body)
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file.close()
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print("文件保存成功: " + save_path)
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print("文件大小: " + str(body.size()) + " 字节")
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func download_from_origin() -> void:
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if GameManager.data_origin.substr(0, 4) != "http":
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return
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