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Pony
742 lines
22 KiB
JavaScript
742 lines
22 KiB
JavaScript
import apiConfig from '../config/api.json'
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import billingService from './billing.js'
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class APIService {
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constructor() {
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this.config = { ...apiConfig.openai }
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this.proxyConfig = apiConfig.proxy
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// 尝试从localStorage加载用户配置
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this.loadUserConfig()
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}
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// 加载用户配置
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loadUserConfig() {
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try {
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const saved = localStorage.getItem('apiConfig')
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if (saved) {
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const userConfig = JSON.parse(saved)
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this.config = { ...this.config, ...userConfig }
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}
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} catch (error) {
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console.error('加载用户API配置失败:', error)
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}
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}
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// 获取API配置
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getConfig() {
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return this.config
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}
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// 更新API配置
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updateConfig(newConfig) {
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this.config = { ...this.config, ...newConfig }
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// 保存到localStorage
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try {
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localStorage.setItem('apiConfig', JSON.stringify(this.config))
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} catch (error) {
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console.error('保存API配置失败:', error)
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}
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}
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// 构建请求URL
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buildURL(endpoint) {
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return `${this.config.baseURL}${endpoint}`
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}
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// 构建请求头
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buildHeaders() {
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return {
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'Content-Type': 'application/json',
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'Authorization': `Bearer ${this.config.apiKey}`
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}
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}
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// 通用API请求方法
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async makeRequest(endpoint, options = {}) {
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const url = this.buildURL(endpoint)
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const headers = this.buildHeaders()
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const requestOptions = {
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method: 'POST',
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headers,
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...options
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}
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try {
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const response = await fetch(url, requestOptions)
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if (!response.ok) {
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const errorData = await response.json()
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throw new Error(`API请求失败: ${response.status} - ${errorData.error?.message || '未知错误'}`)
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}
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return await response.json()
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} catch (error) {
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console.error('API请求错误:', error)
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throw error
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}
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}
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// 生成文本内容
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async generateText(prompt, options = {}) {
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const model = options.model || this.config.selectedModel || this.config.defaultModel || 'gpt-3.5-turbo'
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// 估算输入token数量（用于记录，无需检查余额）
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const estimatedInputTokens = billingService.estimateTokens(prompt)
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const requestBody = {
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model: model,
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messages: [
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{
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role: 'user',
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content: prompt
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}
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],
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max_tokens: options.maxTokens || this.config.maxTokens,
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temperature: options.temperature || this.config.temperature,
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stream: false
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}
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try {
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const response = await this.makeRequest('/chat/completions', {
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body: JSON.stringify(requestBody)
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})
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const content = response.choices[0]?.message?.content || ''
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const usage = response.usage
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// 记录实际的token使用情况
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if (usage) {
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billingService.recordAPICall({
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type: options.type || 'generation',
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model: model,
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content: prompt,
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response: content,
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inputTokens: usage.prompt_tokens || 0,
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outputTokens: usage.completion_tokens || 0,
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status: 'success'
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})
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} else {
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// 如果API没有返回usage信息，使用估算值
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const outputTokens = billingService.estimateTokens(content)
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billingService.recordAPICall({
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type: options.type || 'generation',
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model: model,
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content: prompt,
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response: content,
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inputTokens: estimatedInputTokens,
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outputTokens: outputTokens,
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status: 'success'
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})
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}
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return content
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} catch (error) {
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// 记录失败的API调用
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billingService.recordAPICall({
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type: options.type || 'generation',
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model: model,
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content: prompt,
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response: '',
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inputTokens: estimatedInputTokens,
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outputTokens: 0,
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status: 'failed'
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})
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throw error
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}
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}
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// 流式生成文本内容
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async generateTextStream(prompt, options = {}, onChunk = null) {
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console.log('开始流式生成，prompt:', prompt.substring(0, 100) + '...') // 调试日志
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const model = options.model || this.config.selectedModel || this.config.defaultModel || 'gpt-3.5-turbo'
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// 估算输入token数量（用于记录，无需检查余额）
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const estimatedInputTokens = billingService.estimateTokens(prompt)
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const requestBody = {
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model: model,
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messages: [
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{
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role: 'user',
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content: prompt
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}
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],
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max_tokens: options.maxTokens || this.config.maxTokens,
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temperature: options.temperature || this.config.temperature,
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stream: true
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}
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console.log('请求体:', requestBody) // 调试日志
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const url = this.buildURL('/chat/completions')
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const headers = this.buildHeaders()
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let fullContent = ''
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let hasError = false
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try {
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const response = await fetch(url, {
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method: 'POST',
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headers,
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body: JSON.stringify(requestBody)
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})
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console.log('API响应状态:', response.status) // 调试日志
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if (!response.ok) {
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const errorData = await response.json()
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hasError = true
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throw new Error(`API请求失败: ${response.status} - ${errorData.error?.message || '未知错误'}`)
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}
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const reader = response.body.getReader()
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const decoder = new TextDecoder()
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try {
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while (true) {
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const { done, value } = await reader.read()
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if (done) break
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const chunk = decoder.decode(value, { stream: true })
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const lines = chunk.split('\n')
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for (const line of lines) {
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const trimmedLine = line.trim()
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if (trimmedLine.startsWith('data: ')) {
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const data = trimmedLine.slice(6).trim()
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if (data === '[DONE]') {
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console.log('流式生成完成，总内容长度:', fullContent.length) // 调试日志
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break
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}
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// 跳过空数据
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if (!data || data === '') {
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continue
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}
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try {
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const parsed = JSON.parse(data)
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const content = parsed.choices?.[0]?.delta?.content || ''
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if (content) {
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fullContent += content
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console.log('接收到内容片段:', content) // 调试日志
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if (onChunk) {
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onChunk(content, fullContent)
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}
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}
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} catch (e) {
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console.log('解析数据失败，原始数据:', JSON.stringify(data), '错误:', e.message) // 调试日志
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// 继续处理其他数据，不中断流式处理
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}
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}
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}
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}
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} catch (streamError) {
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console.error('流式读取错误:', streamError)
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hasError = true
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throw streamError
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} finally {
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reader.releaseLock()
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}
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// 流式生成成功，记录token使用
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const outputTokens = billingService.estimateTokens(fullContent)
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billingService.recordAPICall({
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type: options.type || 'generation',
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model: model,
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content: prompt,
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response: fullContent,
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inputTokens: estimatedInputTokens,
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outputTokens: outputTokens,
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status: 'success'
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})
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return fullContent
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} catch (error) {
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// 只有在发生错误时才记录失败调用
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if (hasError) {
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billingService.recordAPICall({
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type: options.type || 'generation',
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model: model,
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content: prompt,
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response: fullContent,
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inputTokens: estimatedInputTokens,
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outputTokens: billingService.estimateTokens(fullContent),
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status: 'failed'
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})
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}
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throw error
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}
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}
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// 生成小说大纲
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async generateOutline(theme, keywords, template) {
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const templateInfo = template ? `\n参考模板：${template.name} - ${template.description}` : ''
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const keywordList = keywords ? `\n关键词：${keywords}` : ''
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const prompt = `请为以下主题生成一个详细的小说大纲：
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主题：${theme}${templateInfo}${keywordList}
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要求：
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1. 生成5-8个章节
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2. 每个章节用 ### 开头，后跟章节标题
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3. 每个章节下面写2-3句话描述该章节的主要内容
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4. 整体结构要完整，有开头、发展、高潮、结局
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5. 符合所选模板的风格特点
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请直接输出大纲内容：`
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return await this.generateText(prompt)
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}
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// 流式生成小说大纲
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async generateOutlineStream(theme, keywords, template, onChunk = null) {
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const templateInfo = template ? `\n参考模板：${template.name} - ${template.description}` : ''
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const keywordList = keywords ? `\n关键词：${keywords}` : ''
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const prompt = `请为以下主题生成一个详细的小说大纲：
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主题：${theme}${templateInfo}${keywordList}
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要求：
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1. 生成5-8个章节
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2. 每个章节用 ### 开头，后跟章节标题
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3. 每个章节下面写2-3句话描述该章节的主要内容
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4. 整体结构要完整，有开头、发展、高潮、结局
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5. 符合所选模板的风格特点
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请直接输出大纲内容：`
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return await this.generateTextStream(prompt, {}, onChunk)
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}
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// 生成章节内容
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async generateChapterContent(chapterTitle, chapterOutline, previousContent = '', template = null, characters = [], worldSettings = []) {
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const templateInfo = template ? `\n写作风格：${template.style}\n写作提示：${template.writingTips}` : ''
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const contextInfo = previousContent ? `\n前文内容参考：${previousContent.slice(-500)}` : ''
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// 构建人物信息
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let charactersInfo = ''
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if (characters.length > 0) {
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charactersInfo = '\n\n人物设定：'
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characters.forEach(char => {
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charactersInfo += `\n- ${char.name}：${char.description}`
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if (char.traits && char.traits.length > 0) {
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charactersInfo += ` (特点：${char.traits.join('、')})`
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}
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})
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}
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// 构建世界观信息
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let worldInfo = ''
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if (worldSettings.length > 0) {
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worldInfo = '\n\n世界观设定：'
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worldSettings.forEach(setting => {
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worldInfo += `\n- ${setting.title}：${setting.description}`
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})
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}
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const prompt = `请根据以下信息生成小说章节内容：
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章节标题：${chapterTitle}
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章节大纲：${chapterOutline}${templateInfo}${contextInfo}${charactersInfo}${worldInfo}
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要求：
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1. 字数控制在800-1200字
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2. 内容要生动有趣，符合章节大纲
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3. 语言流畅，描写细腻
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4. 如果有前文内容，要保持连贯性
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5. 符合所选模板的风格特点
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6. 充分利用提供的人物设定和世界观设定
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7. 确保人物行为符合其性格特点
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8. 场景描写要符合世界观设定
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请直接输出章节内容：`
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return await this.generateText(prompt)
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}
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// 流式生成章节内容
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async generateChapterContentStream(chapterTitle, chapterOutline, previousContent = '', template = null, characters = [], worldSettings = [], onChunk = null) {
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const templateInfo = template ? `\n写作风格：${template.style}\n写作提示：${template.writingTips}` : ''
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const contextInfo = previousContent ? `\n前文内容参考：${previousContent.slice(-500)}` : ''
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// 构建人物信息
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let charactersInfo = ''
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if (characters.length > 0) {
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charactersInfo = '\n\n人物设定：'
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characters.forEach(char => {
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charactersInfo += `\n- ${char.name}：${char.description}`
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if (char.traits && char.traits.length > 0) {
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charactersInfo += ` (特点：${char.traits.join('、')})`
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}
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})
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}
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// 构建世界观信息
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let worldInfo = ''
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if (worldSettings.length > 0) {
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worldInfo = '\n\n世界观设定：'
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worldSettings.forEach(setting => {
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worldInfo += `\n- ${setting.title}：${setting.description}`
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})
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}
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const prompt = `请根据以下信息生成小说章节内容：
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章节标题：${chapterTitle}
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章节大纲：${chapterOutline}${templateInfo}${contextInfo}${charactersInfo}${worldInfo}
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|
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要求：
|
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1. 字数控制在800-1200字
|
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2. 内容要生动有趣，符合章节大纲
|
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3. 语言流畅，描写细腻
|
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4. 如果有前文内容，要保持连贯性
|
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5. 符合所选模板的风格特点
|
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6. 充分利用提供的人物设定和世界观设定
|
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7. 确保人物行为符合其性格特点
|
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8. 场景描写要符合世界观设定
|
||
|
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请直接输出章节内容：`
|
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return await this.generateTextStream(prompt, {}, onChunk)
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}
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|
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// AI对话功能
|
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async chatWithAI(message, chatHistory = []) {
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const messages = [
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{
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role: 'system',
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content: '你是一个专业的小说写作助手，擅长帮助用户进行创意写作、情节构思、人物塑造等。请用友好、专业的语气回答用户的问题。'
|
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},
|
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...chatHistory.map(msg => ({
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role: msg.isUser ? 'user' : 'assistant',
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content: msg.content
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})),
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{
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role: 'user',
|
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content: message
|
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}
|
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]
|
||
|
||
const requestBody = {
|
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model: this.config.selectedModel || this.config.defaultModel || 'gpt-3.5-turbo',
|
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messages,
|
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max_tokens: this.config.maxTokens,
|
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temperature: 0.7
|
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}
|
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|
||
const response = await this.makeRequest('/chat/completions', {
|
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body: JSON.stringify(requestBody)
|
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})
|
||
|
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return response.choices[0]?.message?.content || ''
|
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}
|
||
|
||
// 生成文章摘要
|
||
async generateSummary(content, options = {}) {
|
||
const { length = 'medium', type = 'keypoints' } = options
|
||
|
||
let lengthInstruction = ''
|
||
switch (length) {
|
||
case 'short':
|
||
lengthInstruction = '请生成50-100字的简短摘要'
|
||
break
|
||
case 'medium':
|
||
lengthInstruction = '请生成100-200字的中等长度摘要'
|
||
break
|
||
case 'long':
|
||
lengthInstruction = '请生成200-300字的详细摘要'
|
||
break
|
||
}
|
||
|
||
let typeInstruction = ''
|
||
switch (type) {
|
||
case 'keypoints':
|
||
typeInstruction = '重点提取文章的关键要点和核心内容'
|
||
break
|
||
case 'plot':
|
||
typeInstruction = '重点概括故事情节和主要事件'
|
||
break
|
||
case 'character':
|
||
typeInstruction = '重点分析人物特点和关系'
|
||
break
|
||
case 'theme':
|
||
typeInstruction = '重点阐述文章的主题思想和深层含义'
|
||
break
|
||
}
|
||
|
||
const prompt = `${lengthInstruction}，${typeInstruction}。\n\n文章内容：\n${content}`
|
||
|
||
return await this.generateText(prompt, {
|
||
maxTokens: 400,
|
||
temperature: 0.3
|
||
})
|
||
}
|
||
|
||
// 内容优化建议
|
||
async getWritingAdvice(content) {
|
||
const prompt = `请对以下文章内容提供写作建议：
|
||
|
||
${content}
|
||
|
||
请从以下几个方面给出具体建议：
|
||
1. 语言表达
|
||
2. 情节结构
|
||
3. 人物塑造
|
||
4. 描写技巧
|
||
5. 整体改进方向
|
||
|
||
建议：`
|
||
|
||
return await this.generateText(prompt, { maxTokens: 500 })
|
||
}
|
||
|
||
// 根据语料库生成个性化内容
|
||
async generatePersonalizedContent(prompt, corpus) {
|
||
const corpusText = corpus.map(item => item.content).join('\n\n')
|
||
const personalizedPrompt = `参考以下写作风格和内容：
|
||
|
||
${corpusText}
|
||
|
||
现在请根据上述风格，生成以下内容：
|
||
${prompt}
|
||
|
||
要求：
|
||
1. 保持与参考内容相似的写作风格
|
||
2. 语言表达要一致
|
||
3. 内容要原创且符合要求
|
||
|
||
生成内容：`
|
||
|
||
return await this.generateText(personalizedPrompt)
|
||
}
|
||
|
||
// 生成通用内容
|
||
async generateGeneralContent(keywords, template, outline, wordLimit = 500) {
|
||
const templateInfo = template ? `\n写作风格：${template.style}\n写作提示：${template.writingTips}` : ''
|
||
const outlineInfo = outline ? `\n参考大纲：${outline}` : ''
|
||
const keywordList = keywords ? `\n关键词：${keywords}` : ''
|
||
|
||
const prompt = `请根据以下信息生成小说内容：${keywordList}${templateInfo}${outlineInfo}
|
||
|
||
要求：
|
||
1. 字数控制在${wordLimit}字左右
|
||
2. 内容要生动有趣，情节引人入胜
|
||
3. 语言流畅，描写细腻
|
||
4. 符合所选模板的风格特点
|
||
5. 如果有大纲，要与大纲保持一致
|
||
|
||
请直接输出小说内容：`
|
||
|
||
return await this.generateText(prompt)
|
||
}
|
||
|
||
// 流式生成通用内容
|
||
async generateGeneralContentStream(keywords, template, outline, wordLimit = 500, onChunk = null) {
|
||
const templateInfo = template ? `\n写作风格：${template.style}\n写作提示：${template.writingTips}` : ''
|
||
const outlineInfo = outline ? `\n参考大纲：${outline}` : ''
|
||
const keywordList = keywords ? `\n关键词：${keywords}` : ''
|
||
|
||
const prompt = `请根据以下信息生成小说内容：${keywordList}${templateInfo}${outlineInfo}
|
||
|
||
要求：
|
||
1. 字数控制在${wordLimit}字左右
|
||
2. 内容要生动有趣，情节引人入胜
|
||
3. 语言流畅，描写细腻
|
||
4. 符合所选模板的风格特点
|
||
5. 如果有大纲，要与大纲保持一致
|
||
|
||
请直接输出小说内容：`
|
||
|
||
return await this.generateTextStream(prompt, {}, onChunk)
|
||
}
|
||
|
||
// 获取可用模型列表
|
||
getAvailableModels() {
|
||
return this.config.models
|
||
}
|
||
|
||
// 验证API密钥
|
||
async validateAPIKey() {
|
||
try {
|
||
const url = this.buildURL('/models')
|
||
const headers = this.buildHeaders()
|
||
|
||
const response = await fetch(url, {
|
||
method: 'GET',
|
||
headers
|
||
})
|
||
|
||
return response.ok
|
||
} catch (error) {
|
||
console.error('API密钥验证失败:', error)
|
||
return false
|
||
}
|
||
}
|
||
|
||
// AI生成人物
|
||
async generateCharacter(theme, characterType = '') {
|
||
const typeInfo = characterType ? `角色类型：${characterType}` : ''
|
||
const prompt = `请根据主题"${theme}"生成一个小说人物，${typeInfo}
|
||
|
||
要求：
|
||
1. 提供人物的基本信息（姓名、年龄、职业等）
|
||
2. 详细的外貌描述
|
||
3. 性格特点和行为习惯
|
||
4. 背景故事和经历
|
||
5. 人物的特殊技能或能力
|
||
6. 与主题相关的特征
|
||
|
||
请以JSON格式返回：
|
||
{
|
||
"name": "人物姓名",
|
||
"age": "年龄",
|
||
"occupation": "职业",
|
||
"appearance": "外貌描述",
|
||
"personality": "性格特点",
|
||
"background": "背景故事",
|
||
"skills": ["技能1", "技能2"],
|
||
"traits": ["特征1", "特征2", "特征3"]
|
||
}`
|
||
|
||
try {
|
||
const response = await this.generateText(prompt)
|
||
return JSON.parse(response)
|
||
} catch (error) {
|
||
console.error('生成人物失败:', error)
|
||
throw error
|
||
}
|
||
}
|
||
|
||
// AI生成世界观设定
|
||
async generateWorldSetting(theme, settingType = '') {
|
||
const typeInfo = settingType ? `设定类型：${settingType}` : ''
|
||
const prompt = `请根据主题"${theme}"生成一个小说世界观设定，${typeInfo}
|
||
|
||
要求：
|
||
1. 设定的名称和概述
|
||
2. 详细的背景描述
|
||
3. 重要的规则或法则
|
||
4. 地理环境或空间结构
|
||
5. 历史背景或重要事件
|
||
6. 与主题相关的特色元素
|
||
|
||
请以JSON格式返回：
|
||
{
|
||
"title": "设定名称",
|
||
"overview": "概述",
|
||
"description": "详细描述",
|
||
"rules": ["规则1", "规则2"],
|
||
"geography": "地理环境",
|
||
"history": "历史背景",
|
||
"features": ["特色1", "特色2"]
|
||
}`
|
||
|
||
try {
|
||
const response = await this.generateText(prompt)
|
||
return JSON.parse(response)
|
||
} catch (error) {
|
||
console.error('生成世界观设定失败:', error)
|
||
throw error
|
||
}
|
||
}
|
||
|
||
// AI文章分析
|
||
async analyzeArticle(content) {
|
||
try {
|
||
const prompt = `请对以下文章进行深度分析，并以JSON格式返回分析结果：
|
||
|
||
文章内容：
|
||
${content}
|
||
|
||
请分析以下方面：
|
||
1. 情感倾向（积极/消极/中性）
|
||
2. 文章标签（最多5个关键标签）
|
||
3. 文章分类（玄幻/都市/悬疑/科幻/历史/校园/武侠/其他）
|
||
4. 文章评分（0-100分，考虑文笔、情节、结构等）
|
||
5. 详细评价（包括优点、缺点、改进建议）
|
||
|
||
返回格式：
|
||
{
|
||
"sentiment": "积极/消极/中性",
|
||
"tags": ["标签1", "标签2", "标签3"],
|
||
"category": "分类",
|
||
"score": 85,
|
||
"evaluation": {
|
||
"strengths": ["优点1", "优点2"],
|
||
"weaknesses": ["缺点1", "缺点2"],
|
||
"suggestions": ["建议1", "建议2"]
|
||
},
|
||
"summary": "整体评价总结"
|
||
}`
|
||
|
||
const requestBody = {
|
||
model: this.config.model,
|
||
messages: [
|
||
{
|
||
role: 'system',
|
||
content: '你是一位专业的文学评论家和编辑，擅长分析各种类型的文章。请客观、专业地分析文章，给出建设性的评价和建议。'
|
||
},
|
||
{
|
||
role: 'user',
|
||
content: prompt
|
||
}
|
||
],
|
||
max_tokens: 1000,
|
||
temperature: 0.3
|
||
}
|
||
|
||
console.log('发送文章分析请求:', requestBody)
|
||
|
||
const url = this.buildURL('/chat/completions')
|
||
const headers = this.buildHeaders()
|
||
|
||
const response = await fetch(url, {
|
||
method: 'POST',
|
||
headers,
|
||
body: JSON.stringify(requestBody)
|
||
})
|
||
|
||
if (!response.ok) {
|
||
throw new Error(`HTTP error! status: ${response.status}`)
|
||
}
|
||
|
||
const data = await response.json()
|
||
console.log('文章分析响应:', data)
|
||
|
||
if (data.choices && data.choices[0] && data.choices[0].message) {
|
||
const analysisText = data.choices[0].message.content.trim()
|
||
|
||
try {
|
||
// 尝试解析JSON响应
|
||
const analysis = JSON.parse(analysisText)
|
||
console.log('解析的分析结果:', analysis)
|
||
return analysis
|
||
} catch (parseError) {
|
||
console.error('解析AI分析结果失败:', parseError)
|
||
// 如果解析失败，返回基础分析结果
|
||
return {
|
||
sentiment: '中性',
|
||
tags: ['AI分析'],
|
||
category: '其他',
|
||
score: 70,
|
||
evaluation: {
|
||
strengths: ['内容完整'],
|
||
weaknesses: ['AI分析解析失败'],
|
||
suggestions: ['请检查内容格式']
|
||
},
|
||
summary: 'AI分析暂时不可用，使用基础分析结果'
|
||
}
|
||
}
|
||
} else {
|
||
throw new Error('AI响应格式错误')
|
||
}
|
||
} catch (error) {
|
||
console.error('文章分析失败:', error)
|
||
throw error
|
||
}
|
||
}
|
||
}
|
||
|
||
export default new APIService() |