forked from datawhale/whale-town-front
feat：实现登录系统和用户认证功能
- 添加登录场景（login_scene.tscn）和主菜单场景（main_menu_scene.tscn） - 实现认证管理器（AuthManager）用于用户登录和会话管理 - 添加核心服务：加密服务、存储服务、网络服务 - 配置项目主场景为登录场景 - 添加自动加载服务到项目配置 - 添加开发环境配置（VSCode、Claude） 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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282
scripts/managers/NetworkService.gd
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282
scripts/managers/NetworkService.gd
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extends Node
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## 网络服务
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## 封装 HTTP 请求，提供统一的网络通信接口
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# API 基础 URL
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const API_BASE_URL: String = "https://whaletownui.angforever.top"
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# 请求超时时间（秒）
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const REQUEST_TIMEOUT: float = 30.0
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# 最大重试次数
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const MAX_RETRY: int = 3
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# 是否开启调试日志（显示请求和响应详情）
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const DEBUG_MODE: bool = true
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## 发送 POST 请求
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func post(endpoint: String, data: Dictionary, headers: Array = []) -> Dictionary:
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var url = API_BASE_URL + endpoint
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return await _request(url, HTTPClient.METHOD_POST, data, headers)
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## 发送 GET 请求
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func sendGet(endpoint: String, headers: Array = []) -> Dictionary:
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var url = API_BASE_URL + endpoint
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return await _request(url, HTTPClient.METHOD_GET, {}, headers)
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## 发送带 Token 的 POST 请求
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func authenticatedPost(endpoint: String, data: Dictionary) -> Dictionary:
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var tokenData = StorageService.loadToken()
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var token = tokenData.get("token", "")
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if token.is_empty():
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return {
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"success": false,
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"error_code": ErrorCode.TOKEN_INVALID,
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"message": ErrorCode.getMessage(ErrorCode.TOKEN_INVALID)
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}
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var headers = [
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"Authorization: Bearer " + token
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]
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return await post(endpoint, data, headers)
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## 核心请求方法
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func _request(url: String, method: HTTPClient.Method, data: Dictionary, customHeaders: Array) -> Dictionary:
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# 创建 HTTPRequest 节点
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var httpRequest = HTTPRequest.new()
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add_child(httpRequest)
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# 设置超时
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httpRequest.timeout = REQUEST_TIMEOUT
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# 构建请求头
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var headers = [
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"Content-Type: application/json",
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"Accept: application/json"
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]
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headers.append_array(customHeaders)
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# 准备请求体
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var body = ""
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if method == HTTPClient.METHOD_POST or method == HTTPClient.METHOD_PUT:
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body = JSON.stringify(data)
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# 调试日志：请求信息
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if DEBUG_MODE:
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_logRequest(url, method, headers, body)
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# 发送请求
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var error = httpRequest.request(url, headers, method, body)
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if error != OK:
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httpRequest.queue_free()
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return _createErrorResponse(ErrorCode.NETWORK_ERROR, "发送请求失败")
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# 等待响应
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var result = await httpRequest.request_completed
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# 调试日志：响应信息
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if DEBUG_MODE:
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_logResponse(result)
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# 清理
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httpRequest.queue_free()
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# 解析响应
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return _parseResponse(result)
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## 解析 HTTP 响应
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func _parseResponse(result: Array) -> Dictionary:
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var httpResult: int = result[0]
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var responseCode: int = result[1]
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var _headers: PackedStringArray = result[2]
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var body: PackedByteArray = result[3]
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# 检查 HTTP 请求错误
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if httpResult != HTTPRequest.RESULT_SUCCESS:
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return _handleHttpError(httpResult)
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# 检查 HTTP 状态码
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if responseCode < 200 or responseCode >= 300:
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return _handleStatusCodeError(responseCode, body)
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# 解析 JSON 响应体
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var bodyString = body.get_string_from_utf8()
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if bodyString.is_empty():
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return _createErrorResponse(ErrorCode.SERVER_ERROR, "服务器返回空响应")
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var json = JSON.new()
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var parseError = json.parse(bodyString)
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if parseError != OK:
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push_error("JSON 解析失败: " + bodyString)
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return _createErrorResponse(ErrorCode.SERVER_ERROR, "响应数据格式错误")
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var responseData = json.data
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# 根据后端API格式解析（通用格式，后续可能需要调整）
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if typeof(responseData) == TYPE_DICTIONARY:
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# 检查是否有 success 字段（新版 API 格式）
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if responseData.has("success"):
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var success = responseData.get("success", false)
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if success:
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return {
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"success": true,
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"data": responseData.get("data", {}),
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"message": responseData.get("message", "操作成功")
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}
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else:
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# 业务错误
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return {
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"success": false,
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"error_code": responseData.get("error_code", ErrorCode.SERVER_ERROR),
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"message": responseData.get("message", "操作失败")
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}
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# 检查是否有 code 字段（旧版 API 格式）
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elif responseData.has("code"):
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var code = responseData.get("code", -1)
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if code == 0 or code == 200: # 成功
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return {
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"success": true,
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"data": responseData.get("data", {}),
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"message": responseData.get("message", "操作成功")
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}
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else: # 业务错误
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return {
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"success": false,
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"error_code": code,
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"message": responseData.get("message", "操作失败")
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}
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else:
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# 假设整个响应就是数据
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return {
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"success": true,
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"data": responseData,
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"message": "操作成功"
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}
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return _createErrorResponse(ErrorCode.SERVER_ERROR, "响应格式不正确")
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## 处理 HTTP 请求错误
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func _handleHttpError(httpResult: int) -> Dictionary:
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match httpResult:
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HTTPRequest.RESULT_TIMEOUT:
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return _createErrorResponse(ErrorCode.TIMEOUT, "请求超时")
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HTTPRequest.RESULT_CONNECTION_ERROR:
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return _createErrorResponse(ErrorCode.NETWORK_ERROR, "网络连接失败")
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HTTPRequest.RESULT_CANT_CONNECT:
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return _createErrorResponse(ErrorCode.NETWORK_ERROR, "无法连接到服务器")
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_:
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return _createErrorResponse(ErrorCode.NETWORK_ERROR, "网络请求失败: " + str(httpResult))
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## 处理 HTTP 状态码错误
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func _handleStatusCodeError(statusCode: int, body: PackedByteArray) -> Dictionary:
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var bodyString = body.get_string_from_utf8()
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# 尝试解析错误信息
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var json = JSON.new()
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if json.parse(bodyString) == OK:
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var data = json.data
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if typeof(data) == TYPE_DICTIONARY and data.has("message"):
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var message = data.get("message", "")
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# 确保 message 是字符串类型
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if typeof(message) == TYPE_ARRAY:
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message = ", ".join(message)
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elif typeof(message) != TYPE_STRING:
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message = str(message)
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return _createErrorResponse(statusCode, message)
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# 通用状态码错误处理
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match statusCode:
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400:
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return _createErrorResponse(statusCode, "请求参数错误")
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401:
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return _createErrorResponse(statusCode, "未授权，请重新登录")
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403:
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return _createErrorResponse(statusCode, "没有权限访问")
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404:
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return _createErrorResponse(statusCode, "请求的资源不存在")
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500:
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return _createErrorResponse(statusCode, "服务器内部错误")
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502:
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return _createErrorResponse(statusCode, "网关错误")
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503:
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return _createErrorResponse(statusCode, "服务暂时不可用")
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_:
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return _createErrorResponse(statusCode, "HTTP 错误: " + str(statusCode))
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## 创建错误响应
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func _createErrorResponse(errorCode: int, message: String) -> Dictionary:
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return {
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"success": false,
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"error_code": errorCode,
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"message": message
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}
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## 记录请求日志
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func _logRequest(url: String, method: HTTPClient.Method, headers: Array, body: String) -> void:
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print("\n========== HTTP 请求 ==========")
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print("URL: ", url)
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print("方法: ", _getMethodName(method))
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print("请求头:")
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for header in headers:
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print(" ", header)
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if not body.is_empty():
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print("请求体:")
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# 尝试格式化 JSON
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var json = JSON.new()
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if json.parse(body) == OK:
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print(" ", JSON.stringify(json.data, " "))
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else:
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print(" ", body)
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print("==============================\n")
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## 记录响应日志
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func _logResponse(result: Array) -> void:
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var httpResult: int = result[0]
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var responseCode: int = result[1]
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var responseHeaders: PackedStringArray = result[2]
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var body: PackedByteArray = result[3]
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print("\n========== HTTP 响应 ==========")
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print("请求结果: ", _getHttpResultName(httpResult))
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print("状态码: ", responseCode)
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print("响应头:")
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for header in responseHeaders:
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print(" ", header)
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var bodyString = body.get_string_from_utf8()
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if not bodyString.is_empty():
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print("响应体:")
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# 尝试格式化 JSON
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var json = JSON.new()
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if json.parse(bodyString) == OK:
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print(" ", JSON.stringify(json.data, " "))
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else:
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print(" ", bodyString)
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else:
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print("响应体: (空)")
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print("==============================\n")
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## 获取 HTTP 方法名称
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func _getMethodName(method: HTTPClient.Method) -> String:
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match method:
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HTTPClient.METHOD_GET: return "GET"
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HTTPClient.METHOD_POST: return "POST"
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HTTPClient.METHOD_PUT: return "PUT"
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HTTPClient.METHOD_DELETE: return "DELETE"
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HTTPClient.METHOD_PATCH: return "PATCH"
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_: return "UNKNOWN"
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## 获取 HTTP 请求结果名称
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func _getHttpResultName(result: int) -> String:
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match result:
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HTTPRequest.RESULT_SUCCESS: return "成功"
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HTTPRequest.RESULT_TIMEOUT: return "超时"
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HTTPRequest.RESULT_CONNECTION_ERROR: return "连接错误"
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HTTPRequest.RESULT_CANT_CONNECT: return "无法连接"
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HTTPRequest.RESULT_NO_RESPONSE: return "无响应"
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_: return "错误 (" + str(result) + ")"
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