108 lines
3.4 KiB
TypeScript
108 lines
3.4 KiB
TypeScript
import BaseAction from '../core/BaseAction';
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import { ValidationError, ElementNotFoundError } from '../../../core/errors/CustomErrors';
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/**
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* 导航动作 - 打开页面
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*/
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class NavigateAction extends BaseAction {
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async execute(): Promise<any> {
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const url = this.replaceVariables(this.config.url);
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const options = this.config.options || {
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waitUntil: 'networkidle2',
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timeout: 30000
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};
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// 重试配置
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const maxRetries = this.config.maxRetries || 5;
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const retryDelay = this.config.retryDelay || 3000;
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const totalTimeout = this.config.totalTimeout || 180000; // 默认3分钟
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const startTime = Date.now();
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let lastError: any = null;
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for (let attempt = 0; attempt < maxRetries; attempt++) {
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// 检查总超时
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if (Date.now() - startTime > totalTimeout) {
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this.log('error', `总超时 ${totalTimeout}ms，停止重试`);
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break;
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}
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try {
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if (attempt > 0) {
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this.log('info', `第 ${attempt + 1} 次尝试导航...`);
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} else {
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this.log('info', `导航到: ${url}`);
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}
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// 尝试导航
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await this.page.goto(url, options);
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// 验证页面URL是否正确（避免重定向到会员中心等）
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const currentUrl = this.page.url();
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if (this.config.verifyUrl && !currentUrl.includes(this.config.verifyUrl)) {
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throw new ValidationError(
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`页面跳转异常`,
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`URL包含: ${this.config.verifyUrl}`,
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`实际URL: ${currentUrl}`,
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{ expectedUrl: this.config.verifyUrl, actualUrl: currentUrl }
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);
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}
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// 验证关键元素存在（确保页面加载正确）
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if (this.config.verifyElements) {
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await this.verifyElements(this.config.verifyElements);
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}
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this.log('info', `✓ 页面加载完成${attempt > 0 ? ` (尝试 ${attempt + 1} 次)` : ''}`);
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// 模拟人类阅读页面（1-3秒）
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await this.readPageDelay();
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// 可选的额外等待时间
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if (this.config.waitAfter) {
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await new Promise(resolve => setTimeout(resolve, this.config.waitAfter));
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}
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return { success: true, url: currentUrl };
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} catch (error: any) {
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lastError = error;
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this.log('warn', `导航失败 (尝试 ${attempt + 1}/${maxRetries}): ${error.message}`);
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// 如果不是最后一次尝试，等待后重试
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if (attempt < maxRetries - 1) {
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this.log('debug', `等待 ${retryDelay}ms 后重试...`);
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await new Promise(resolve => setTimeout(resolve, retryDelay));
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}
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}
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}
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// 所有重试都失败
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this.log('error', `导航失败: ${lastError.message}`);
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throw lastError;
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}
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/**
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* 验证关键元素存在
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*/
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async verifyElements(selectors: string[]): Promise<void> {
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this.log('debug', '验证页面元素...');
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for (const selector of selectors) {
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try {
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await this.page.waitForSelector(selector, { timeout: 10000 });
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} catch (error: any) {
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throw new ElementNotFoundError(selector, {
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action: 'navigate',
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operation: 'verifyElements',
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url: this.page.url()
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});
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}
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}
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this.log('debug', `✓ 已验证 ${selectors.length} 个关键元素`);
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}
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}
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export default NavigateAction;
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