mirror of
https://github.com/patdelphi/suanming.git
synced 2026-03-07 00:53:11 +08:00
Remove PNG server generation functionality
- Remove PNG server generation option from DownloadButton component - Remove PNG generation logic from download route - Delete pngGenerator.cjs and related test files - Simplify download options to focus on frontend PNG export - Reduce server complexity and resource usage
This commit is contained in:
patdelphi
@@ -4,7 +4,6 @@ const { dbManager } = require('../database/index.cjs');
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const { generateMarkdown } = require('../services/generators/markdownGenerator.cjs');
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const { generatePDF } = require('../services/generators/pdfGenerator.cjs');
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const { generatePNG } = require('../services/generators/pngGenerator.cjs');
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const router = express.Router();
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@@ -68,7 +67,7 @@ router.post('/', authenticate, async (req, res) => {
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const minute = String(analysisDate.getMinutes()).padStart(2, '0');
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const second = String(analysisDate.getSeconds()).padStart(2, '0');
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const dateStr = `${year}-${month}-${day}`;
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const dateStr = `${year}${month}${day}`;
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const timeStr = `${hour}${minute}${second}`;
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// 分析类型映射
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@@ -79,8 +78,9 @@ router.post('/', authenticate, async (req, res) => {
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};
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const analysisTypeName = analysisTypeMap[analysisType] || analysisType;
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const baseFilename = `${analysisTypeName}_${userName || 'user'}_${dateStr}_${timeStr}`;
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// 文件名格式: 八字命理_午饭_2025-08-21_133105
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const exportMode = '服务器导出';
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const baseFilename = `${analysisTypeName}_${userName || 'user'}_${exportMode}_${dateStr}_${timeStr}`;
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// 文件名格式: 八字命理_午饭_服务器导出_20250821_133105
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try {
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switch (format) {
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@@ -98,12 +98,7 @@ router.post('/', authenticate, async (req, res) => {
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filename = `${baseFilename}.pdf`;
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break;
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case 'png':
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fileBuffer = await generatePNG(analysisData, analysisType, userName);
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contentType = 'image/png';
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fileExtension = 'png';
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filename = `${baseFilename}.png`;
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break;
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}
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} catch (generationError) {
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console.error(`生成${format}文件失败:`, generationError);
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@@ -1,634 +0,0 @@
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/**
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* PNG图片生成器
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* 将分析结果转换为PNG图片格式
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* 使用Puppeteer将SVG转换为PNG
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*/
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const puppeteer = require('puppeteer');
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const generatePNG = async (analysisData, analysisType, userName) => {
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let browser;
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try {
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// 生成SVG内容
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const svgContent = await generateImageData(analysisData, analysisType, userName);
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// 创建包含SVG的HTML页面
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const htmlContent = `
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<style>
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body { margin: 0; padding: 0; }
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svg { display: block; }
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</style>
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</head>
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<body>
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${svgContent}
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</body>
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</html>`;
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// 启动puppeteer浏览器
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browser = await puppeteer.launch({
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headless: 'new',
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args: [
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'--no-sandbox',
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'--disable-setuid-sandbox',
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'--disable-dev-shm-usage',
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'--disable-gpu',
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'--no-first-run',
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'--disable-extensions',
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'--disable-plugins'
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],
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timeout: 30000
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});
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const page = await browser.newPage();
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// 设置页面内容
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await page.setContent(htmlContent, {
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waitUntil: 'networkidle0'
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});
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// 设置视口大小
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await page.setViewport({ width: 800, height: 1200 });
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// 截图生成PNG
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const pngBuffer = await page.screenshot({
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type: 'png',
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fullPage: true,
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omitBackground: false
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});
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// 确保返回的是Buffer对象
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if (!Buffer.isBuffer(pngBuffer)) {
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console.warn('Puppeteer返回的不是Buffer，正在转换:', typeof pngBuffer);
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return Buffer.from(pngBuffer);
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}
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return pngBuffer;
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} catch (error) {
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console.error('生成PNG失败:', error);
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throw error;
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} finally {
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if (browser) {
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await browser.close();
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}
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}
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};
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/**
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* 生成图片数据（SVG格式）
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*/
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const generateImageData = async (analysisData, analysisType, userName) => {
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const timestamp = new Date().toLocaleString('zh-CN');
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const analysisTypeLabel = getAnalysisTypeLabel(analysisType);
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// 生成SVG内容
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let svg = `
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<svg width="800" height="1200" xmlns="http://www.w3.org/2000/svg">
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<defs>
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<style>
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${getSVGStyles()}
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</style>
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<linearGradient id="headerGradient" x1="0%" y1="0%" x2="100%" y2="100%">
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<stop offset="0%" style="stop-color:#dc2626;stop-opacity:1" />
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<stop offset="100%" style="stop-color:#b91c1c;stop-opacity:1" />
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</linearGradient>
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<filter id="shadow" x="-20%" y="-20%" width="140%" height="140%">
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<feDropShadow dx="2" dy="2" stdDeviation="3" flood-color="rgba(0,0,0,0.3)"/>
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</filter>
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</defs>
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<!-- 背景 -->
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<rect width="800" height="1200" fill="#f9f9f9"/>
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<!-- 头部 -->
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<rect width="800" height="200" fill="url(#headerGradient)"/>
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<!-- 标题 -->
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<text x="400" y="60" class="main-title" text-anchor="middle" fill="white" filter="url(#shadow)">神机阁</text>
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<text x="400" y="90" class="subtitle" text-anchor="middle" fill="white">专业命理分析平台</text>
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<!-- 分割线 -->
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<line x1="100" y1="110" x2="700" y2="110" stroke="rgba(255,255,255,0.3)" stroke-width="1"/>
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<!-- 报告信息 -->
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<text x="400" y="140" class="report-title" text-anchor="middle" fill="white">${analysisTypeLabel}分析报告</text>
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<text x="200" y="170" class="info-text" fill="white">姓名：${userName || '用户'}</text>
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<text x="500" y="170" class="info-text" fill="white">生成时间：${timestamp.split(' ')[0]}</text>
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<!-- 内容区域背景 -->
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<rect x="50" y="220" width="700" height="900" fill="white" rx="10" ry="10" filter="url(#shadow)"/>
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`;
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// 根据分析类型添加不同内容
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let yOffset = 260;
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switch (analysisType) {
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case 'bazi':
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yOffset = addBaziContent(svg, analysisData, yOffset);
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break;
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case 'ziwei':
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yOffset = addZiweiContent(svg, analysisData, yOffset);
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break;
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case 'yijing':
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yOffset = addYijingContent(svg, analysisData, yOffset);
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break;
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}
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// 页脚
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svg += `
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<!-- 页脚 -->
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<rect x="50" y="1140" width="700" height="50" fill="#f8f9fa" rx="0" ry="0"/>
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<text x="400" y="1160" class="footer-text" text-anchor="middle" fill="#666">本报告由神机阁AI命理分析平台生成，仅供参考</text>
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<text x="400" y="1180" class="footer-text" text-anchor="middle" fill="#666">© 2025 神机阁 - AI命理分析平台</text>
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</svg>
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`;
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return svg;
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};
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/**
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* 添加八字命理内容
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*/
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const addBaziContent = (svg, analysisData, yOffset) => {
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let content = '';
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// 基本信息
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if (analysisData.basic_info) {
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content += `
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<!-- 基本信息 -->
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<text x="80" y="${yOffset}" class="section-title" fill="#dc2626">📋 基本信息</text>
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`;
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yOffset += 40;
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if (analysisData.basic_info.personal_data) {
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const personal = analysisData.basic_info.personal_data;
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const genderText = personal.gender === 'male' ? '男' : personal.gender === 'female' ? '女' : personal.gender || '未提供';
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content += `
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<text x="100" y="${yOffset}" class="info-label" fill="#333">姓名：</text>
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<text x="160" y="${yOffset}" class="info-value" fill="#666">${personal.name || '未提供'}</text>
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<text x="400" y="${yOffset}" class="info-label" fill="#333">性别：</text>
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<text x="460" y="${yOffset}" class="info-value" fill="#666">${genderText}</text>
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`;
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yOffset += 30;
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content += `
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<text x="100" y="${yOffset}" class="info-label" fill="#333">出生日期：</text>
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<text x="180" y="${yOffset}" class="info-value" fill="#666">${personal.birth_date || '未提供'}</text>
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`;
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yOffset += 30;
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content += `
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<text x="100" y="${yOffset}" class="info-label" fill="#333">出生时间：</text>
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<text x="180" y="${yOffset}" class="info-value" fill="#666">${personal.birth_time || '未提供'}</text>
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`;
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yOffset += 40;
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}
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// 八字信息
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if (analysisData.basic_info.bazi_info) {
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const bazi = analysisData.basic_info.bazi_info;
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content += `
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<text x="100" y="${yOffset}" class="subsection-title" fill="#b91c1c">🔮 八字信息</text>
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`;
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yOffset += 30;
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// 表格头
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content += `
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<rect x="100" y="${yOffset}" width="600" height="25" fill="#dc2626" rx="3"/>
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<text x="130" y="${yOffset + 17}" class="table-header" fill="white">柱位</text>
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<text x="230" y="${yOffset + 17}" class="table-header" fill="white">天干</text>
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<text x="330" y="${yOffset + 17}" class="table-header" fill="white">地支</text>
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<text x="430" y="${yOffset + 17}" class="table-header" fill="white">纳音</text>
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`;
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yOffset += 25;
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// 表格内容
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const pillars = [
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{ name: '年柱', data: bazi.year, nayin: bazi.year_nayin },
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{ name: '月柱', data: bazi.month, nayin: bazi.month_nayin },
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{ name: '日柱', data: bazi.day, nayin: bazi.day_nayin },
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{ name: '时柱', data: bazi.hour, nayin: bazi.hour_nayin }
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];
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pillars.forEach((pillar, index) => {
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const bgColor = index % 2 === 0 ? '#f8f9fa' : 'white';
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content += `
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<rect x="100" y="${yOffset}" width="600" height="25" fill="${bgColor}" stroke="#ddd" stroke-width="0.5"/>
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<text x="130" y="${yOffset + 17}" class="table-cell" fill="#333">${pillar.name}</text>
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<text x="230" y="${yOffset + 17}" class="table-cell" fill="#333">${pillar.data?.split('')[0] || '-'}</text>
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<text x="330" y="${yOffset + 17}" class="table-cell" fill="#333">${pillar.data?.split('')[1] || '-'}</text>
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<text x="430" y="${yOffset + 17}" class="table-cell" fill="#333">${pillar.nayin || '-'}</text>
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`;
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yOffset += 25;
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});
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yOffset += 20;
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}
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}
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// 五行分析
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if (analysisData.wuxing_analysis && yOffset < 1000) {
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content += `
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<text x="80" y="${yOffset}" class="section-title" fill="#dc2626">🌟 五行分析</text>
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`;
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yOffset += 40;
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if (analysisData.wuxing_analysis.element_distribution) {
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const elements = analysisData.wuxing_analysis.element_distribution;
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const total = Object.values(elements).reduce((sum, count) => sum + (typeof count === 'number' ? count : 0), 0);
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content += `
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<text x="100" y="${yOffset}" class="subsection-title" fill="#b91c1c">五行分布</text>
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`;
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yOffset += 30;
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// 五行分布图表
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let xOffset = 120;
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Object.entries(elements).forEach(([element, count]) => {
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const numCount = typeof count === 'number' ? count : 0;
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const percentage = total > 0 ? Math.round((numCount / total) * 100) : 0;
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const barHeight = Math.max(numCount * 20, 5);
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const elementColor = getElementColor(element);
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// 柱状图
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content += `
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<rect x="${xOffset}" y="${yOffset + 80 - barHeight}" width="30" height="${barHeight}" fill="${elementColor}" rx="2"/>
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<text x="${xOffset + 15}" y="${yOffset + 100}" class="element-label" text-anchor="middle" fill="#333">${element}</text>
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<text x="${xOffset + 15}" y="${yOffset + 115}" class="element-count" text-anchor="middle" fill="#666">${numCount}</text>
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<text x="${xOffset + 15}" y="${yOffset + 130}" class="element-percent" text-anchor="middle" fill="#666">${percentage}%</text>
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`;
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xOffset += 100;
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});
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yOffset += 150;
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}
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if (analysisData.wuxing_analysis.balance_analysis && yOffset < 1000) {
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content += `
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<text x="100" y="${yOffset}" class="subsection-title" fill="#b91c1c">五行平衡分析</text>
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`;
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yOffset += 25;
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// 分析内容（截取前200字符）
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const analysisText = analysisData.wuxing_analysis.balance_analysis.substring(0, 200) + (analysisData.wuxing_analysis.balance_analysis.length > 200 ? '...' : '');
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const lines = wrapText(analysisText, 50);
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lines.forEach(line => {
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if (yOffset < 1000) {
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content += `
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<text x="120" y="${yOffset}" class="analysis-text" fill="#555">${line}</text>
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`;
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yOffset += 20;
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}
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});
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yOffset += 20;
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}
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}
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svg += content;
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return yOffset;
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};
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/**
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* 添加紫微斗数内容
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*/
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const addZiweiContent = (svg, analysisData, yOffset) => {
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let content = '';
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// 基本信息
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if (analysisData.basic_info) {
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content += `
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<text x="80" y="${yOffset}" class="section-title" fill="#dc2626">📋 基本信息</text>
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`;
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yOffset += 40;
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if (analysisData.basic_info.ziwei_info) {
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const ziwei = analysisData.basic_info.ziwei_info;
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if (ziwei.ming_gong) {
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content += `
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<text x="100" y="${yOffset}" class="info-label" fill="#333">命宫：</text>
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<text x="160" y="${yOffset}" class="info-highlight" fill="#dc2626">${ziwei.ming_gong}</text>
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`;
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yOffset += 30;
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}
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if (ziwei.wuxing_ju) {
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content += `
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<text x="100" y="${yOffset}" class="info-label" fill="#333">五行局：</text>
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<text x="180" y="${yOffset}" class="info-highlight" fill="#dc2626">${ziwei.wuxing_ju}</text>
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`;
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yOffset += 30;
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}
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if (ziwei.main_stars) {
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const starsText = Array.isArray(ziwei.main_stars) ? ziwei.main_stars.join('、') : ziwei.main_stars;
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content += `
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<text x="100" y="${yOffset}" class="info-label" fill="#333">主星：</text>
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<text x="160" y="${yOffset}" class="info-highlight" fill="#dc2626">${starsText}</text>
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`;
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yOffset += 40;
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}
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}
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}
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// 星曜分析
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if (analysisData.star_analysis && yOffset < 1000) {
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content += `
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<text x="80" y="${yOffset}" class="section-title" fill="#dc2626">⭐ 星曜分析</text>
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`;
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yOffset += 40;
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if (analysisData.star_analysis.main_stars) {
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content += `
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<text x="100" y="${yOffset}" class="subsection-title" fill="#b91c1c">主星分析</text>
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`;
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yOffset += 30;
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if (Array.isArray(analysisData.star_analysis.main_stars)) {
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analysisData.star_analysis.main_stars.slice(0, 3).forEach(star => {
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if (typeof star === 'object' && yOffset < 1000) {
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content += `
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<rect x="100" y="${yOffset - 15}" width="600" height="60" fill="#f1f5f9" rx="5" stroke="#3b82f6" stroke-width="2"/>
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<text x="120" y="${yOffset + 5}" class="star-name" fill="#1e40af">${star.name || star.star}</text>
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`;
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if (star.brightness) {
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content += `
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<text x="120" y="${yOffset + 25}" class="star-detail" fill="#333">亮度：${star.brightness}</text>
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`;
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}
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if (star.influence) {
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const influenceText = star.influence.substring(0, 60) + (star.influence.length > 60 ? '...' : '');
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content += `
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||||
<text x="120" y="${yOffset + 40}" class="star-detail" fill="#555">影响：${influenceText}</text>
|
||||
`;
|
||||
}
|
||||
|
||||
yOffset += 80;
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
svg += content;
|
||||
return yOffset;
|
||||
};
|
||||
|
||||
/**
|
||||
* 添加易经占卜内容
|
||||
*/
|
||||
const addYijingContent = (svg, analysisData, yOffset) => {
|
||||
let content = '';
|
||||
|
||||
// 占卜问题
|
||||
if (analysisData.question_analysis) {
|
||||
content += `
|
||||
<text x="80" y="${yOffset}" class="section-title" fill="#dc2626">❓ 占卜问题</text>
|
||||
`;
|
||||
yOffset += 40;
|
||||
|
||||
if (analysisData.question_analysis.original_question) {
|
||||
content += `
|
||||
<text x="100" y="${yOffset}" class="info-label" fill="#333">问题：</text>
|
||||
`;
|
||||
|
||||
const questionText = analysisData.question_analysis.original_question;
|
||||
const questionLines = wrapText(questionText, 45);
|
||||
|
||||
questionLines.forEach((line, index) => {
|
||||
content += `
|
||||
<text x="${index === 0 ? 160 : 120}" y="${yOffset}" class="info-highlight" fill="#dc2626">${line}</text>
|
||||
`;
|
||||
yOffset += 20;
|
||||
});
|
||||
|
||||
yOffset += 10;
|
||||
}
|
||||
|
||||
if (analysisData.question_analysis.question_type) {
|
||||
content += `
|
||||
<text x="100" y="${yOffset}" class="info-label" fill="#333">问题类型：</text>
|
||||
<text x="180" y="${yOffset}" class="info-value" fill="#666">${analysisData.question_analysis.question_type}</text>
|
||||
`;
|
||||
yOffset += 40;
|
||||
}
|
||||
}
|
||||
|
||||
// 卦象信息
|
||||
if (analysisData.hexagram_info && yOffset < 1000) {
|
||||
content += `
|
||||
<text x="80" y="${yOffset}" class="section-title" fill="#dc2626">🔮 卦象信息</text>
|
||||
`;
|
||||
yOffset += 40;
|
||||
|
||||
if (analysisData.hexagram_info.main_hexagram) {
|
||||
const main = analysisData.hexagram_info.main_hexagram;
|
||||
|
||||
content += `
|
||||
<rect x="100" y="${yOffset - 15}" width="600" height="100" fill="#fef3c7" rx="8" stroke="#fbbf24" stroke-width="2"/>
|
||||
<text x="120" y="${yOffset + 10}" class="subsection-title" fill="#92400e">主卦</text>
|
||||
|
||||
<text x="120" y="${yOffset + 35}" class="info-label" fill="#333">卦名：</text>
|
||||
<text x="180" y="${yOffset + 35}" class="hexagram-name" fill="#dc2626">${main.name || '未知'}</text>
|
||||
|
||||
<text x="400" y="${yOffset + 35}" class="info-label" fill="#333">卦象：</text>
|
||||
<text x="460" y="${yOffset + 35}" class="hexagram-symbol" fill="#92400e">${main.symbol || ''}</text>
|
||||
`;
|
||||
|
||||
if (main.meaning) {
|
||||
const meaningText = main.meaning.substring(0, 50) + (main.meaning.length > 50 ? '...' : '');
|
||||
content += `
|
||||
<text x="120" y="${yOffset + 60}" class="info-label" fill="#333">含义：</text>
|
||||
<text x="180" y="${yOffset + 60}" class="info-value" fill="#666">${meaningText}</text>
|
||||
`;
|
||||
}
|
||||
|
||||
yOffset += 120;
|
||||
}
|
||||
}
|
||||
|
||||
svg += content;
|
||||
return yOffset;
|
||||
};
|
||||
|
||||
/**
|
||||
* 获取五行颜色
|
||||
*/
|
||||
const getElementColor = (element) => {
|
||||
const colors = {
|
||||
'木': '#22c55e',
|
||||
'火': '#ef4444',
|
||||
'土': '#eab308',
|
||||
'金': '#64748b',
|
||||
'水': '#3b82f6'
|
||||
};
|
||||
return colors[element] || '#666';
|
||||
};
|
||||
|
||||
/**
|
||||
* 文本换行处理
|
||||
*/
|
||||
const wrapText = (text, maxLength) => {
|
||||
const lines = [];
|
||||
let currentLine = '';
|
||||
|
||||
for (let i = 0; i < text.length; i++) {
|
||||
currentLine += text[i];
|
||||
if (currentLine.length >= maxLength || text[i] === '\n') {
|
||||
lines.push(currentLine.trim());
|
||||
currentLine = '';
|
||||
}
|
||||
}
|
||||
|
||||
if (currentLine.trim()) {
|
||||
lines.push(currentLine.trim());
|
||||
}
|
||||
|
||||
return lines;
|
||||
};
|
||||
|
||||
/**
|
||||
* 获取分析类型标签
|
||||
*/
|
||||
const getAnalysisTypeLabel = (analysisType) => {
|
||||
switch (analysisType) {
|
||||
case 'bazi': return '八字命理';
|
||||
case 'ziwei': return '紫微斗数';
|
||||
case 'yijing': return '易经占卜';
|
||||
default: return '命理';
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* 获取SVG样式
|
||||
*/
|
||||
const getSVGStyles = () => {
|
||||
return `
|
||||
.main-title {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 36px;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.subtitle {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 16px;
|
||||
}
|
||||
|
||||
.report-title {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 24px;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.info-text {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 14px;
|
||||
}
|
||||
|
||||
.section-title {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 20px;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.subsection-title {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 16px;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.info-label {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 14px;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.info-value {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 14px;
|
||||
}
|
||||
|
||||
.info-highlight {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 14px;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.table-header {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 12px;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.table-cell {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 12px;
|
||||
}
|
||||
|
||||
.element-label {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 12px;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.element-count {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 11px;
|
||||
}
|
||||
|
||||
.element-percent {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 10px;
|
||||
}
|
||||
|
||||
.analysis-text {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 12px;
|
||||
}
|
||||
|
||||
.star-name {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 14px;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.star-detail {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 11px;
|
||||
}
|
||||
|
||||
.hexagram-name {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 16px;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hexagram-symbol {
|
||||
font-family: monospace;
|
||||
font-size: 14px;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.footer-text {
|
||||
font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
|
||||
font-size: 10px;
|
||||
}
|
||||
`;
|
||||
};
|
||||
|
||||
module.exports = {
|
||||
generatePNG
|
||||
};
|
||||
Reference in New Issue
Block a user