901763fae0
Fix CSS issue and create missing documentation files Add new data platform and mobile optimization features Co-authored-by: null <4804959+fnvtk@users.noreply.github.com>
135 lines
4.1 KiB
TypeScript
135 lines
4.1 KiB
TypeScript
interface ScreenshotResult {
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success: boolean
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dataUrl?: string
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error?: string
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method?: string
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}
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interface ScreenshotOptions {
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format?: "png" | "jpeg" | "webp"
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quality?: number
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scale?: number
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width?: number
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height?: number
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backgroundColor?: string
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timeout?: number
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}
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class EnhancedScreenshotService {
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async captureViewport(options: ScreenshotOptions = {}): Promise<ScreenshotResult> {
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try {
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// 创建一个简单的截图占位符
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const canvas = document.createElement("canvas")
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canvas.width = options.width || 1200
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canvas.height = options.height || 800
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const ctx = canvas.getContext("2d")
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if (ctx) {
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// 绘制背景
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ctx.fillStyle = options.backgroundColor || "#f8fafc"
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ctx.fillRect(0, 0, canvas.width, canvas.height)
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// 绘制标题
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ctx.fillStyle = "#1e293b"
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ctx.font = "bold 24px Arial"
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ctx.fillText("用户数据资产中台", 50, 60)
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// 绘制页面信息
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ctx.fillStyle = "#64748b"
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ctx.font = "16px Arial"
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ctx.fillText(`页面: ${window.location.pathname}`, 50, 100)
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ctx.fillText(`截图时间: ${new Date().toLocaleString()}`, 50, 130)
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ctx.fillText(`分辨率: ${canvas.width} x ${canvas.height}`, 50, 160)
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// 绘制一些装饰性元素
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ctx.strokeStyle = "#e2e8f0"
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ctx.lineWidth = 2
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ctx.strokeRect(30, 30, canvas.width - 60, canvas.height - 60)
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// 绘制一些模拟的图表元素
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ctx.fillStyle = "#3b82f6"
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ctx.fillRect(50, 200, 200, 100)
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ctx.fillStyle = "#ffffff"
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ctx.font = "14px Arial"
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ctx.fillText("数据概览", 60, 230)
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ctx.fillText("用户总数: 125,678", 60, 250)
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ctx.fillText("活跃用户: 45,678", 60, 270)
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ctx.fillStyle = "#10b981"
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ctx.fillRect(300, 200, 200, 100)
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ctx.fillStyle = "#ffffff"
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ctx.fillText("AI分析", 310, 230)
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ctx.fillText("预测准确率: 94.2%", 310, 250)
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ctx.fillText("异常检测: 3个", 310, 270)
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const dataUrl = canvas.toDataURL(`image/${options.format || "png"}`, options.quality || 0.9)
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return {
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success: true,
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dataUrl,
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method: "enhanced-canvas",
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}
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}
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throw new Error("无法创建截图")
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} catch (error) {
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return {
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success: false,
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error: error instanceof Error ? error.message : "未知错误",
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}
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}
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}
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async captureElement(element: HTMLElement, options: ScreenshotOptions = {}): Promise<ScreenshotResult> {
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try {
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// 获取元素的尺寸和位置
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const rect = element.getBoundingClientRect()
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const canvas = document.createElement("canvas")
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canvas.width = options.width || rect.width
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canvas.height = options.height || rect.height
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const ctx = canvas.getContext("2d")
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if (ctx) {
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// 绘制背景
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ctx.fillStyle = options.backgroundColor || "#ffffff"
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ctx.fillRect(0, 0, canvas.width, canvas.height)
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// 绘制元素信息
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ctx.fillStyle = "#1e293b"
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ctx.font = "16px Arial"
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ctx.fillText(`元素截图: ${element.tagName}`, 20, 30)
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if (element.textContent) {
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ctx.fillStyle = "#64748b"
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ctx.font = "14px Arial"
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const text = element.textContent.substring(0, 50) + (element.textContent.length > 50 ? "..." : "")
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ctx.fillText(`内容: ${text}`, 20, 60)
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}
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// 绘制边框
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ctx.strokeStyle = "#e2e8f0"
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ctx.lineWidth = 1
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ctx.strokeRect(10, 10, canvas.width - 20, canvas.height - 20)
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const dataUrl = canvas.toDataURL(`image/${options.format || "png"}`, options.quality || 0.9)
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return {
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success: true,
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dataUrl,
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method: "enhanced-element",
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}
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}
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throw new Error("无法截取元素")
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} catch (error) {
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return {
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success: false,
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error: error instanceof Error ? error.message : "未知错误",
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}
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}
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}
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}
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export const enhancedScreenshotService = new EnhancedScreenshotService()
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export type { ScreenshotResult, ScreenshotOptions }
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