fix: resolve deployment errors and add missing files
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>
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v0
@@ -3,6 +3,148 @@
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* 结合多种技术方案确保能够成功捕获页面截图
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*/
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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 ScreenshotService {
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async captureViewport(options: ScreenshotOptions = {}): Promise<ScreenshotResult> {
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try {
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// 方法1: 使用 html2canvas
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if (typeof window !== "undefined" && window.html2canvas) {
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const canvas = await window.html2canvas(document.body, {
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width: options.width || window.innerWidth,
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height: options.height || window.innerHeight,
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scale: options.scale || 1,
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backgroundColor: options.backgroundColor || "#ffffff",
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useCORS: true,
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allowTaint: true,
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})
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const dataUrl = canvas.toDataURL(`image/${options.format || "png"}`, options.quality || 0.9)
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return {
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success: true,
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dataUrl,
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method: "html2canvas",
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}
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}
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// 方法2: 使用 dom-to-image
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if (typeof window !== "undefined" && window.domtoimage) {
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const dataUrl = await window.domtoimage.toPng(document.body, {
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width: options.width || window.innerWidth,
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height: options.height || window.innerHeight,
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style: {
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transform: `scale(${options.scale || 1})`,
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transformOrigin: "top left",
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},
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})
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return {
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success: true,
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dataUrl,
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method: "dom-to-image",
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}
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}
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// 方法3: 使用 Canvas API (基础实现)
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const canvas = document.createElement("canvas")
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canvas.width = options.width || window.innerWidth
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canvas.height = options.height || window.innerHeight
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const ctx = canvas.getContext("2d")
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if (ctx) {
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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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// 简单的文本渲染作为占位符
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ctx.fillStyle = "#333333"
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ctx.font = "16px Arial"
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ctx.fillText("页面截图占位符", 50, 50)
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ctx.fillText(`页面: ${window.location.pathname}`, 50, 80)
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ctx.fillText(`时间: ${new Date().toLocaleString()}`, 50, 110)
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const dataUrl = canvas.toDataURL(`image/${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: "canvas-fallback",
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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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// 使用 html2canvas 截取特定元素
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if (typeof window !== "undefined" && window.html2canvas) {
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const canvas = await window.html2canvas(element, {
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width: options.width || element.offsetWidth,
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height: options.height || element.offsetHeight,
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scale: options.scale || 1,
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backgroundColor: options.backgroundColor || "#ffffff",
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useCORS: true,
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allowTaint: true,
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})
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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: "html2canvas-element",
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}
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}
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// 使用 dom-to-image 截取特定元素
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if (typeof window !== "undefined" && window.domtoimage) {
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const dataUrl = await window.domtoimage.toPng(element, {
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width: options.width || element.offsetWidth,
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height: options.height || element.offsetHeight,
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})
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return {
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success: true,
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dataUrl,
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method: "dom-to-image-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 screenshotService = new ScreenshotService()
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export type { ScreenshotResult, ScreenshotOptions }
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// 动态导入所需库
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let htmlToImageModule: any = null
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let domToImageModule: any = null
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@@ -90,12 +232,12 @@ export async function captureScreenshot(
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try {
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console.log("使用html-to-image捕获截图...")
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const dataUrl = await libraries.htmlToImage.toPng(element, {
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quality: 0.95,
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quality: options.quality || 0.95,
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cacheBust: true,
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pixelRatio: 2,
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pixelRatio: options.scale || 2,
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skipAutoScale: true,
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style: {
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"background-color": "#ffffff",
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"background-color": options.backgroundColor || "#ffffff",
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},
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})
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if (dataUrl && dataUrl.startsWith("data:image/png;base64,")) {
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@@ -112,9 +254,9 @@ export async function captureScreenshot(
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try {
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console.log("使用dom-to-image捕获截图...")
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const dataUrl = await libraries.domToImage.toPng(element, {
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quality: 0.95,
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bgcolor: "#ffffff",
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scale: 2,
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quality: options.quality || 0.95,
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bgcolor: options.backgroundColor || "#ffffff",
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scale: options.scale || 2,
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})
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if (dataUrl && dataUrl.startsWith("data:image/png;base64,")) {
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console.log("dom-to-image捕获成功!")
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@@ -257,7 +399,7 @@ async function captureWithPostMessage(iframe: HTMLIFrameElement): Promise<string
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const timeout = setTimeout(() => {
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window.removeEventListener("message", messageHandler)
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reject(new Error("postMessage截图超时"))
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}, 5000)
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}, options.timeout || 5000)
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// 消息处理函数
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function messageHandler(event: MessageEvent) {
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@@ -451,12 +593,12 @@ export function injectScreenshotScript(window: Window): void {
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const canvas = await html2canvas(document.documentElement, {
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allowTaint: true,
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useCORS: true,
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scale: 2,
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backgroundColor: '#ffffff'
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scale: ${options.scale || 2},
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backgroundColor: '${options.backgroundColor || "#ffffff"}'
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});
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// 发送截图数据
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const dataUrl = canvas.toDataURL('image/png');
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const dataUrl = canvas.toDataURL('image/${options.format || "png"}', ${options.quality || 0.9});
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window.parent.postMessage({
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type: 'screenshot',
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dataUrl: dataUrl
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