fix: resolve build errors and complete missing files

Fix CSS issues, add missing files, and optimize documentation page.

Co-authored-by: null <4804959+fnvtk@users.noreply.github.com>
This commit is contained in:
v0
2025-07-19 02:39:56 +00:00
parent 901763fae0
commit 4ea8963ddc
8 changed files with 408 additions and 1064 deletions

View File

@@ -1,24 +1,4 @@
/**
* Word文档生成器
* 使用docx库生成专业的Word文档
*/
import {
Document,
Paragraph,
TextRun,
HeadingLevel,
ImageRun,
TableOfContents,
PageBreak,
AlignmentType,
Table,
TableRow,
TableCell,
WidthType,
BorderStyle,
} from "docx"
import { Buffer } from "buffer"
import { Document, Packer, Paragraph, ImageRun, TextRun, HeadingLevel } from "docx"
interface Screenshot {
id: string
@@ -41,445 +21,190 @@ interface DocumentSettings {
orientation: string
}
interface DocumentSection {
title: string
path: string
description: string
screenshot: string
}
interface DocumentData {
title: string
author: string
date: string
sections: DocumentSection[]
}
/**
* 将base64字符串转换为Buffer
* @param base64 base64字符串
* @returns Buffer
*/
function base64ToBuffer(base64: string): Buffer {
try {
// 移除data URL前缀
const base64Data = base64.includes("base64,") ? base64.split("base64,")[1] : base64
// 转换为Buffer
return Buffer.from(base64Data, "base64")
} catch (error) {
console.error("base64转换为Buffer时出错:", error)
throw error
}
}
/**
* 生成Word文档
* @param screenshots 截图数据
* @param settings 文档设置
* @returns 文档的ArrayBuffer
*/
export async function generateDocx(screenshots: Screenshot[], settings: DocumentSettings): Promise<ArrayBuffer> {
console.log("开始生成Word文档...")
try {
// 验证输入数据
if (!screenshots || !Array.isArray(screenshots)) {
throw new Error("截图数据不能为空或不是数组")
}
const children: Paragraph[] = []
if (!settings) {
throw new Error("文档设置不能为空")
}
console.log(`文档标题: ${settings.title}`)
console.log(`作者: ${settings.author}`)
console.log(`描述: ${settings.description}`)
console.log(`部分数量: ${screenshots.length}`)
// 创建文档
const doc = new Document({
title: settings.title,
description: settings.description,
creator: settings.author,
styles: {
paragraphStyles: [
{
id: "Normal",
name: "Normal",
run: {
size: 24, // 12pt
font: "Microsoft YaHei",
},
paragraph: {
spacing: {
line: 360, // 1.5倍行距
before: 240, // 12pt
after: 240, // 12pt
},
},
},
{
id: "Heading1",
name: "Heading 1",
run: {
size: 36, // 18pt
bold: true,
font: "Microsoft YaHei",
},
paragraph: {
spacing: {
before: 480, // 24pt
after: 240, // 12pt
},
},
},
{
id: "Heading2",
name: "Heading 2",
run: {
size: 32, // 16pt
bold: true,
font: "Microsoft YaHei",
},
paragraph: {
spacing: {
before: 360, // 18pt
after: 240, // 12pt
},
},
},
{
id: "Caption",
name: "Caption",
run: {
size: 20, // 10pt
italic: true,
font: "Microsoft YaHei",
},
paragraph: {
alignment: AlignmentType.CENTER,
spacing: {
before: 120, // 6pt
after: 240, // 12pt
},
},
},
// 添加标题
children.push(
new Paragraph({
children: [
new TextRun({
text: settings.title,
bold: true,
size: 32,
}),
],
})
heading: HeadingLevel.TITLE,
}),
)
// 文档部分
const sections = []
// 封面
sections.push({
properties: {},
children: [
// 添加描述
if (settings.description) {
children.push(
new Paragraph({
text: "",
spacing: {\
before: 3000, // 大约页面1/3处
},\
}),\
new Paragraph({\
text: settings.title,\
heading: HeadingLevel.TITLE,
alignment: AlignmentType.CENTER,
spacing: {\
after: 400,
},
}),
new Paragraph({\
text: "",\
spacing: {\
before: 800,
},
}),
new Paragraph({
alignment: AlignmentType.CENTER,\
children: [
new TextRun({
text: \`作者: ${settings.author}`,\
size: 24,\
}),
],
}),
new Paragraph({
alignment: AlignmentType.CENTER,\
children: [
new TextRun({
text: `生成日期: ${new Date().toLocaleString()}`,\
text: settings.description,
size: 24,
}),
],
}),
new Paragraph({
text: "",\
break: PageBreak.AFTER,
}),
],
})
// 目录
sections.push({
properties: {},
children: [\
new Paragraph({
text: "目录",
heading: HeadingLevel.HEADING_1,\
alignment: AlignmentType.CENTER,
}),
new TableOfContents("目录", {
hyperlink: true,
headingStyleRange: "1-3",\
}),\
new Paragraph({
text: "",
break: PageBreak.AFTER,
}),\
],
})
// 正文
const contentSection = {
properties: {},
children: [] as any[],
)
}
// 添加简介
contentSection.children.push(\
// 添加生成信息
if (settings.includeTimestamp) {
children.push(
new Paragraph({
children: [
new TextRun({
text: `生成时间: ${new Date().toLocaleString()}`,
size: 20,
italics: true,
}),
],
}),
)
}
children.push(
new Paragraph({
text: "1. 简介",
heading: HeadingLevel.HEADING_1,
}),
new Paragraph({
text: "本文档由文档生成工具自动生成,包含应用程序的所有主要页面截图和功能说明。",
}),
new Paragraph({
text: "文档目的是帮助用户了解系统功能和使用方法,为系统管理员和最终用户提供参考。",
}),\
new Paragraph({
text: "",
children: [
new TextRun({
text: `作者: ${settings.author}`,
size: 20,
italics: true,
}),
],
}),
)
// 添加页面内容
contentSection.children.push(
// 添加分隔符
children.push(
new Paragraph({
text: "2. 系统功能",
heading: HeadingLevel.HEADING_1,
children: [
new TextRun({
text: "─".repeat(50),
size: 20,
}),
],
}),
)
// 处理每个部分
console.log("开始处理文档部分...")
// 使用for循环而不是forEach以便更好地处理错误
for (let i = 0; i < screenshots.length; i++) {
try {
const screenshot = screenshots[i]
console.log(\`处理部分 ${i + 1}/${screenshots.length}: ${screenshot.name}`)
// 添加标题
contentSection.children.push(
new Paragraph({
text: `2.${i + 1} ${screenshot.name}`,
heading: HeadingLevel.HEADING_2,
}),
)
// 添加页面URL和截图时间
if (settings.includePageUrls) {
contentSection.children.push(
new Paragraph({
text: `页面URL: ${screenshot.url}`,
// 添加每个截图
for (const screenshot of screenshots) {
// 页面标题
children.push(
new Paragraph({
children: [
new TextRun({
text: screenshot.name,
bold: true,
size: 28,
}),
)
}
],
heading: HeadingLevel.HEADING_1,
}),
)
if (settings.includeTimestamp) {
contentSection.children.push(
new Paragraph({
text: `截图时间: ${screenshot.timestamp.toLocaleString()}`,
}),
)
}
// 添加状态
contentSection.children.push(
// 页面URL
if (settings.includePageUrls) {
children.push(
new Paragraph({
text: `状态: ${screenshot.status}`,
}),
)
// 添加截图
try {
if (screenshot.dataUrl && screenshot.dataUrl.startsWith("data:image/")) {
console.log(`处理截图: ${screenshot.name}`)
// 从base64数据URL中提取图像数据
const base64Data = screenshot.dataUrl.split(",")[1]
if (!base64Data) {
throw new Error("无效的base64数据")
}
// 将base64转换为二进制数据
const imageBuffer = base64ToBuffer(screenshot.dataUrl)
// 添加图像
contentSection.children.push(
new Paragraph({
children: [
new ImageRun({
data: imageBuffer,
transformation: {
width: 600,
height: 400,
},
}),
],
alignment: AlignmentType.CENTER,
children: [
new TextRun({
text: `页面地址: ${screenshot.url}`,
size: 20,
color: "666666",
}),
new Paragraph({
text: `${i + 1}: ${screenshot.name} 页面截图`,
style: "Caption",
}),
new Paragraph({
text: "",
}),
)
} else {
console.warn(`部分 ${i + 1} 缺少有效的截图`)
contentSection.children.push(
new Paragraph({
text: "[截图不可用]",
alignment: AlignmentType.CENTER,
}),
new Paragraph({
text: "",
}),
)
}
} catch (imageError) {
console.error(`处理部分 ${i + 1} 的截图时出错:`, imageError)
contentSection.children.push(
new Paragraph({
text: "[处理截图时出错]",
alignment: AlignmentType.CENTER,
}),
new Paragraph({
text: "",
}),
)
}
} catch (sectionError) {
console.error(`处理部分 ${i + 1} 时出错:`, sectionError)
contentSection.children.push(
new Paragraph({
text: `[处理部分 ${i + 1} 时出错: ${sectionError instanceof Error ? sectionError.message : String(sectionError)}]`,
alignment: AlignmentType.CENTER,
}),
new Paragraph({
text: "",
],
}),
)
}
// 截图时间
if (settings.includeTimestamp) {
children.push(
new Paragraph({
children: [
new TextRun({
text: `截图时间: ${screenshot.timestamp.toLocaleString()}`,
size: 20,
color: "666666",
}),
],
}),
)
}
// 添加截图
if (screenshot.dataUrl) {
try {
// 将 dataUrl 转换为 ArrayBuffer
const base64Data = screenshot.dataUrl.split(",")[1]
const binaryString = atob(base64Data)
const bytes = new Uint8Array(binaryString.length)
for (let i = 0; i < binaryString.length; i++) {
bytes[i] = binaryString.charCodeAt(i)
}
children.push(
new Paragraph({
children: [
new ImageRun({
data: bytes,
transformation: {
width: 600,
height: 400,
},
}),
],
}),
)
} catch (error) {
console.error("添加图片失败:", error)
children.push(
new Paragraph({
children: [
new TextRun({
text: "[图片加载失败]",
color: "FF0000",
italics: true,
}),
],
}),
)
}
}
// 添加分隔符
children.push(
new Paragraph({
children: [
new TextRun({
text: "",
}),
],
}),
)
}
// 添加附录
contentSection.children.push(
new Paragraph({
text: "3. 附录",
heading: HeadingLevel.HEADING_1,
}),
new Paragraph({
text: "3.1 文档信息",
heading: HeadingLevel.HEADING_2,
}),
)
// 创建文档信息表格
const infoTable = new Table({
width: {
size: 100,
type: WidthType.PERCENTAGE,
},
borders: {
top: { style: BorderStyle.SINGLE, size: 1, color: "auto" },
bottom: { style: BorderStyle.SINGLE, size: 1, color: "auto" },
left: { style: BorderStyle.SINGLE, size: 1, color: "auto" },
right: { style: BorderStyle.SINGLE, size: 1, color: "auto" },
insideHorizontal: { style: BorderStyle.SINGLE, size: 1, color: "auto" },
insideVertical: { style: BorderStyle.SINGLE, size: 1, color: "auto" },
},
rows: [
new TableRow({
children: [
new TableCell({
width: {
size: 30,
type: WidthType.PERCENTAGE,
},
children: [new Paragraph("文档标题")],
}),
new TableCell({
width: {
size: 70,
type: WidthType.PERCENTAGE,
},
children: [new Paragraph(settings.title)],
}),
],
}),
new TableRow({
children: [
new TableCell({
children: [new Paragraph("作者")],
}),
new TableCell({
children: [new Paragraph(settings.author)],
}),
],
}),
new TableRow({
children: [
new TableCell({
children: [new Paragraph("生成日期")],
}),
new TableCell({
children: [new Paragraph(new Date().toLocaleString())],
}),
],
}),
new TableRow({
children: [
new TableCell({
children: [new Paragraph("页面数量")],
}),
new TableCell({
children: [new Paragraph(String(screenshots.length))],
}),
],
}),
// 创建文档
const doc = new Document({
sections: [
{
properties: {},
children: children,
},
],
})
contentSection.children.push(infoTable)
// 添加内容部分到文档
doc.addSection({
children: sections[0].children.concat(sections[1].children, contentSection.children),
})
console.log("文档生成完成,准备导出...")
// 生成blob
const buffer = await doc.save()
console.log("文档生成完成")
// 生成文档
const buffer = await Packer.toBuffer(doc)
return buffer
} catch (error) {
console.error("生成Word文档时出错:", error)
throw error
console.error("生成文档失败:", error)
throw new Error(`文档生成失败: ${error instanceof Error ? error.message : "未知错误"}`)
}
}

View File

@@ -1,78 +1,38 @@
interface ScreenshotResult {
success: boolean
dataUrl?: string
error?: string
method?: string
}
import { screenshotService, type ScreenshotOptions, type ScreenshotResult } from "./screenshot-service"
interface ScreenshotOptions {
format?: "png" | "jpeg" | "webp"
quality?: number
scale?: number
width?: number
height?: number
backgroundColor?: string
timeout?: number
export interface EnhancedScreenshotOptions extends ScreenshotOptions {
waitForImages?: boolean
waitForFonts?: boolean
removeElements?: string[]
addWatermark?: boolean
watermarkText?: string
}
class EnhancedScreenshotService {
async captureViewport(options: ScreenshotOptions = {}): Promise<ScreenshotResult> {
async captureViewport(options: EnhancedScreenshotOptions = {}): Promise<ScreenshotResult> {
try {
// 创建一个简单的截图占位符
const canvas = document.createElement("canvas")
canvas.width = options.width || 1200
canvas.height = options.height || 800
const ctx = canvas.getContext("2d")
// 等待页面完全加载
await this.waitForPageLoad(options)
if (ctx) {
// 绘制背景
ctx.fillStyle = options.backgroundColor || "#f8fafc"
ctx.fillRect(0, 0, canvas.width, canvas.height)
// 移除不需要的元素
const removedElements = this.removeElements(options.removeElements || [])
// 绘制标题
ctx.fillStyle = "#1e293b"
ctx.font = "bold 24px Arial"
ctx.fillText("用户数据资产中台", 50, 60)
try {
// 调用基础截图服务
const result = await screenshotService.captureViewport(options)
// 绘制页面信息
ctx.fillStyle = "#64748b"
ctx.font = "16px Arial"
ctx.fillText(`页面: ${window.location.pathname}`, 50, 100)
ctx.fillText(`截图时间: ${new Date().toLocaleString()}`, 50, 130)
ctx.fillText(`分辨率: ${canvas.width} x ${canvas.height}`, 50, 160)
// 绘制一些装饰性元素
ctx.strokeStyle = "#e2e8f0"
ctx.lineWidth = 2
ctx.strokeRect(30, 30, canvas.width - 60, canvas.height - 60)
// 绘制一些模拟的图表元素
ctx.fillStyle = "#3b82f6"
ctx.fillRect(50, 200, 200, 100)
ctx.fillStyle = "#ffffff"
ctx.font = "14px Arial"
ctx.fillText("数据概览", 60, 230)
ctx.fillText("用户总数: 125,678", 60, 250)
ctx.fillText("活跃用户: 45,678", 60, 270)
ctx.fillStyle = "#10b981"
ctx.fillRect(300, 200, 200, 100)
ctx.fillStyle = "#ffffff"
ctx.fillText("AI分析", 310, 230)
ctx.fillText("预测准确率: 94.2%", 310, 250)
ctx.fillText("异常检测: 3个", 310, 270)
const dataUrl = canvas.toDataURL(`image/${options.format || "png"}`, options.quality || 0.9)
return {
success: true,
dataUrl,
method: "enhanced-canvas",
// 添加水印
if (options.addWatermark && result.success && result.dataUrl) {
result.dataUrl = await this.addWatermark(result.dataUrl, options.watermarkText)
}
}
throw new Error("无法创建截图")
return result
} finally {
// 恢复移除的元素
this.restoreElements(removedElements)
}
} catch (error) {
console.error("增强截图失败:", error)
return {
success: false,
error: error instanceof Error ? error.message : "未知错误",
@@ -80,55 +40,131 @@ class EnhancedScreenshotService {
}
}
async captureElement(element: HTMLElement, options: ScreenshotOptions = {}): Promise<ScreenshotResult> {
async captureElement(element: HTMLElement, options: EnhancedScreenshotOptions = {}): Promise<ScreenshotResult> {
try {
// 获取元素的尺寸和位置
const rect = element.getBoundingClientRect()
const canvas = document.createElement("canvas")
canvas.width = options.width || rect.width
canvas.height = options.height || rect.height
const ctx = canvas.getContext("2d")
// 等待页面完全加载
await this.waitForPageLoad(options)
if (ctx) {
// 绘制背景
ctx.fillStyle = options.backgroundColor || "#ffffff"
ctx.fillRect(0, 0, canvas.width, canvas.height)
// 调用基础截图服务
const result = await screenshotService.captureElement(element, options)
// 绘制元素信息
ctx.fillStyle = "#1e293b"
ctx.font = "16px Arial"
ctx.fillText(`元素截图: ${element.tagName}`, 20, 30)
if (element.textContent) {
ctx.fillStyle = "#64748b"
ctx.font = "14px Arial"
const text = element.textContent.substring(0, 50) + (element.textContent.length > 50 ? "..." : "")
ctx.fillText(`内容: ${text}`, 20, 60)
}
// 绘制边框
ctx.strokeStyle = "#e2e8f0"
ctx.lineWidth = 1
ctx.strokeRect(10, 10, canvas.width - 20, canvas.height - 20)
const dataUrl = canvas.toDataURL(`image/${options.format || "png"}`, options.quality || 0.9)
return {
success: true,
dataUrl,
method: "enhanced-element",
}
// 添加水印
if (options.addWatermark && result.success && result.dataUrl) {
result.dataUrl = await this.addWatermark(result.dataUrl, options.watermarkText)
}
throw new Error("无法截取元素")
return result
} catch (error) {
console.error("增强元素截图失败:", error)
return {
success: false,
error: error instanceof Error ? error.message : "未知错误",
}
}
}
private async waitForPageLoad(options: EnhancedScreenshotOptions): Promise<void> {
// 等待图片加载
if (options.waitForImages) {
await this.waitForImages()
}
// 等待字体加载
if (options.waitForFonts) {
await this.waitForFonts()
}
// 额外等待时间确保渲染完成
await new Promise((resolve) => setTimeout(resolve, 1000))
}
private async waitForImages(): Promise<void> {
const images = Array.from(document.images)
const promises = images.map((img) => {
if (img.complete) return Promise.resolve()
return new Promise((resolve, reject) => {
img.onload = resolve
img.onerror = resolve // 即使图片加载失败也继续
setTimeout(resolve, 5000) // 5秒超时
})
})
await Promise.all(promises)
}
private async waitForFonts(): Promise<void> {
if ("fonts" in document) {
try {
await document.fonts.ready
} catch (error) {
console.warn("字体加载等待失败:", error)
}
}
}
private removeElements(selectors: string[]): Array<{ element: Element; parent: Node; nextSibling: Node | null }> {
const removedElements: Array<{ element: Element; parent: Node; nextSibling: Node | null }> = []
selectors.forEach((selector) => {
const elements = document.querySelectorAll(selector)
elements.forEach((element) => {
if (element.parentNode) {
removedElements.push({
element,
parent: element.parentNode,
nextSibling: element.nextSibling,
})
element.parentNode.removeChild(element)
}
})
})
return removedElements
}
private restoreElements(removedElements: Array<{ element: Element; parent: Node; nextSibling: Node | null }>): void {
removedElements.forEach(({ element, parent, nextSibling }) => {
if (nextSibling) {
parent.insertBefore(element, nextSibling)
} else {
parent.appendChild(element)
}
})
}
private async addWatermark(dataUrl: string, watermarkText?: string): Promise<string> {
return new Promise((resolve) => {
const canvas = document.createElement("canvas")
const ctx = canvas.getContext("2d")
const img = new Image()
img.onload = () => {
canvas.width = img.width
canvas.height = img.height
// 绘制原图
ctx?.drawImage(img, 0, 0)
if (ctx && watermarkText) {
// 添加水印
ctx.font = "16px Arial"
ctx.fillStyle = "rgba(0, 0, 0, 0.5)"
ctx.textAlign = "right"
ctx.fillText(
watermarkText || `截图时间: ${new Date().toLocaleString()}`,
canvas.width - 20,
canvas.height - 20,
)
}
resolve(canvas.toDataURL("image/png"))
}
img.src = dataUrl
})
}
}
export const enhancedScreenshotService = new EnhancedScreenshotService()
export type { ScreenshotResult, ScreenshotOptions }
export type { EnhancedScreenshotOptions }

View File

@@ -25,54 +25,18 @@ class PageRegistry {
description: "用户行为洞察分析",
category: "用户分析",
},
{
path: "/user-discovery/behavior",
name: "行为分析",
description: "用户行为模式分析",
category: "用户分析",
},
{
path: "/user-discovery/segmentation",
name: "用户分群",
description: "智能用户分群",
category: "用户分析",
},
{
path: "/user-valuation",
name: "用户估值",
description: "用户价值评估模型",
category: "价值分析",
},
{
path: "/user-valuation/model",
name: "估值模型",
description: "RFM价值评估",
category: "价值分析",
},
{
path: "/user-valuation/upgrade-paths",
name: "升级路径",
description: "用户价值提升策略",
category: "价值分析",
},
{
path: "/ai-analysis",
name: "AI分析",
description: "智能数据洞察",
category: "AI功能",
},
{
path: "/ai-analysis/trends",
name: "趋势识别",
description: "AI趋势预测",
category: "AI功能",
},
{
path: "/ai-analysis/anomaly",
name: "异常检测",
description: "智能异常监控",
category: "AI功能",
},
{
path: "/devices",
name: "设备管理",

View File

@@ -3,33 +3,33 @@
* 结合多种技术方案确保能够成功捕获页面截图
*/
interface ScreenshotResult {
export interface ScreenshotOptions {
format?: "png" | "jpeg" | "webp"
quality?: number
scale?: number
backgroundColor?: string
timeout?: number
width?: number
height?: number
}
export interface ScreenshotResult {
success: boolean
dataUrl?: string
error?: string
method?: string
}
interface ScreenshotOptions {
format?: "png" | "jpeg" | "webp"
quality?: number
scale?: number
width?: number
height?: number
backgroundColor?: string
timeout?: number
}
class ScreenshotService {
async captureViewport(options: ScreenshotOptions = {}): Promise<ScreenshotResult> {
try {
// 方法1: 使用 html2canvas
if (typeof window !== "undefined" && window.html2canvas) {
const canvas = await window.html2canvas(document.body, {
width: options.width || window.innerWidth,
height: options.height || window.innerHeight,
scale: options.scale || 1,
backgroundColor: options.backgroundColor || "#ffffff",
scale: options.scale || 1,
width: options.width,
height: options.height,
useCORS: true,
allowTaint: true,
})
@@ -46,8 +46,9 @@ class ScreenshotService {
// 方法2: 使用 dom-to-image
if (typeof window !== "undefined" && window.domtoimage) {
const dataUrl = await window.domtoimage.toPng(document.body, {
width: options.width || window.innerWidth,
height: options.height || window.innerHeight,
bgcolor: options.backgroundColor || "#ffffff",
width: options.width,
height: options.height,
style: {
transform: `scale(${options.scale || 1})`,
transformOrigin: "top left",
@@ -63,32 +64,35 @@ class ScreenshotService {
// 方法3: 使用 Canvas API (基础实现)
const canvas = document.createElement("canvas")
canvas.width = options.width || window.innerWidth
canvas.height = options.height || window.innerHeight
const ctx = canvas.getContext("2d")
if (ctx) {
ctx.fillStyle = options.backgroundColor || "#ffffff"
ctx.fillRect(0, 0, canvas.width, canvas.height)
// 简单的文本渲染作为占位符
ctx.fillStyle = "#333333"
ctx.font = "16px Arial"
ctx.fillText("页面截图占位符", 50, 50)
ctx.fillText(`页面: ${window.location.pathname}`, 50, 80)
ctx.fillText(`时间: ${new Date().toLocaleString()}`, 50, 110)
const dataUrl = canvas.toDataURL(`image/${options.format || "png"}`, options.quality || 0.9)
return {
success: true,
dataUrl,
method: "canvas-fallback",
}
if (!ctx) {
throw new Error("无法获取Canvas上下文")
}
throw new Error("无法创建截图")
canvas.width = options.width || window.innerWidth
canvas.height = options.height || window.innerHeight
// 设置背景色
ctx.fillStyle = options.backgroundColor || "#ffffff"
ctx.fillRect(0, 0, canvas.width, canvas.height)
// 简单的文本渲染作为占位符
ctx.fillStyle = "#333333"
ctx.font = "16px Arial"
ctx.fillText("页面截图占位符", 50, 50)
ctx.fillText(`URL: ${window.location.href}`, 50, 80)
ctx.fillText(`时间: ${new Date().toLocaleString()}`, 50, 110)
const dataUrl = canvas.toDataURL(`image/${options.format || "png"}`, options.quality || 0.9)
return {
success: true,
dataUrl,
method: "canvas-fallback",
}
} catch (error) {
console.error("截图失败:", error)
return {
success: false,
error: error instanceof Error ? error.message : "未知错误",
@@ -101,10 +105,10 @@ class ScreenshotService {
// 使用 html2canvas 截取特定元素
if (typeof window !== "undefined" && window.html2canvas) {
const canvas = await window.html2canvas(element, {
width: options.width || element.offsetWidth,
height: options.height || element.offsetHeight,
scale: options.scale || 1,
backgroundColor: options.backgroundColor || "#ffffff",
scale: options.scale || 1,
width: options.width,
height: options.height,
useCORS: true,
allowTaint: true,
})
@@ -121,8 +125,9 @@ class ScreenshotService {
// 使用 dom-to-image 截取特定元素
if (typeof window !== "undefined" && window.domtoimage) {
const dataUrl = await window.domtoimage.toPng(element, {
width: options.width || element.offsetWidth,
height: options.height || element.offsetHeight,
bgcolor: options.backgroundColor || "#ffffff",
width: options.width,
height: options.height,
})
return {
@@ -132,8 +137,9 @@ class ScreenshotService {
}
}
throw new Error("无法截取元素")
throw new Error("没有可用的截图库")
} catch (error) {
console.error("元素截图失败:", error)
return {
success: false,
error: error instanceof Error ? error.message : "未知错误",
@@ -143,7 +149,14 @@ class ScreenshotService {
}
export const screenshotService = new ScreenshotService()
export type { ScreenshotResult, ScreenshotOptions }
// 扩展 Window 接口以包含截图库
declare global {
interface Window {
html2canvas?: any
domtoimage?: any
}
}
// 动态导入所需库
let htmlToImageModule: any = null
@@ -369,18 +382,18 @@ async function captureWithCanvas(target: HTMLIFrameElement | Window): Promise<st
// 将文档转换为SVG数据URL
const data = new XMLSerializer().serializeToString(document.documentElement)
const svg = new Blob([data], { type: "image/svg+xml" })
const url = URL.createObjectURL(svg)
const svgUrl = URL.createObjectURL(svg)
// 等待图像加载
await new Promise((resolve, reject) => {
img.onload = resolve
img.onerror = reject
img.src = url
img.src = svgUrl
})
// 绘制图像
ctx.drawImage(img, 0, 0, width, height)
URL.revokeObjectURL(url)
URL.revokeObjectURL(svgUrl)
// 返回数据URL
return canvas.toDataURL("image/png")