修复h5记事本不显示问题

uniapp/utils/table-editor.js

@@ -1,17 +1,89 @@
-/** H5 富文本表格 DOM 操作 */
+/**
+ * 富文本表格操作与行内样式/属性注入工具
+ * 注入 border="1"、cellpadding="8"、cellspacing="0" 以及 style 属性
+ * 保证在 H5、App-plus 原生 editor、小程序以及 rich-text 中均能拥有清晰的表格边框与样式
+ */
+
+const TABLE_STYLE = 'border-collapse: collapse; width: 100%; border: 1px solid #dcdfe6; margin: 12px 0; table-layout: auto;'
+const TR_STYLE = 'border-bottom: 1px solid #ebeef5;'
+const TH_STYLE = 'border: 1px solid #dcdfe6; background-color: #f5f7fa; color: #303133; font-weight: 600; padding: 8px 12px; font-size: 14px; text-align: left; min-width: 44px; word-break: break-word;'
+const TD_STYLE = 'border: 1px solid #dcdfe6; background-color: #ffffff; color: #303133; padding: 8px 12px; font-size: 14px; vertical-align: top; word-break: break-word; min-width: 44px;'
+
+/**
+ * 给 HTML 字符串中的所有 table/tr/th/td 注入高优先级的行内样式与原生 HTML 边框属性
+ * （双重保障，即使 Quill 或原生组件重置了部分 CSS，border="1" 仍能强制渲染出边框）
+ */
+export function injectTableInlineStyles(html) {
+	if (!html || typeof html !== 'string') return ''
+	let res = html
+
+	// 注入 table 属性与样式
+	res = res.replace(/<table(\s+[^>]*)?>/gi, (match, attrs = '') => {
+		let cleanAttrs = attrs
+		cleanAttrs = cleanAttrs.replace(/\s+(border|cellspacing|cellpadding)\s*=\s*["'][^"']*["']/gi, '')
+		if (/style\s*=\s*["']/i.test(cleanAttrs)) {
+			cleanAttrs = cleanAttrs.replace(/style\s*=\s*["']([^"']*)["']/i, (m, s) => `style="${s}; ${TABLE_STYLE}"`)
+		} else {
+			cleanAttrs = ` style="${TABLE_STYLE}"` + cleanAttrs
+		}
+		return `<table border="1" cellpadding="8" cellspacing="0"${cleanAttrs}>`
+	})
+
+	// 注入 tr 样式
+	res = res.replace(/<tr(\s+[^>]*)?>/gi, (match, attrs = '') => {
+		if (/style\s*=\s*["']/i.test(attrs)) {
+			return `<tr${attrs.replace(/style\s*=\s*["']([^"']*)["']/i, (m, s) => `style="${s}; ${TR_STYLE}"`)}>`
+		}
+		return `<tr style="${TR_STYLE}"${attrs}>`
+	})
+
+	// 注入 th 属性与样式
+	res = res.replace(/<th(\s+[^>]*)?>/gi, (match, attrs = '') => {
+		let cleanAttrs = attrs.replace(/\s+border\s*=\s*["'][^"']*["']/gi, '')
+		if (/style\s*=\s*["']/i.test(cleanAttrs)) {
+			cleanAttrs = cleanAttrs.replace(/style\s*=\s*["']([^"']*)["']/i, (m, s) => `style="${s}; ${TH_STYLE}"`)
+		} else {
+			cleanAttrs = ` style="${TH_STYLE}"` + cleanAttrs
+		}
+		return `<th border="1"${cleanAttrs}>`
+	})
+
+	// 注入 td 属性与样式
+	res = res.replace(/<td(\s+[^>]*)?>/gi, (match, attrs = '') => {
+		let cleanAttrs = attrs.replace(/\s+border\s*=\s*["'][^"']*["']/gi, '')
+		if (/style\s*=\s*["']/i.test(cleanAttrs)) {
+			cleanAttrs = cleanAttrs.replace(/style\s*=\s*["']([^"']*)["']/i, (m, s) => `style="${s}; ${TD_STYLE}"`)
+		} else {
+			cleanAttrs = ` style="${TD_STYLE}"` + cleanAttrs
+		}
+		return `<td border="1"${cleanAttrs}>`
+	})
+
+	return res
+}
 
 export function createEmptyCell(tagName = 'td') {
 	const cell = document.createElement(tagName)
 	cell.innerHTML = '<p><br></p>'
+	cell.setAttribute('border', '1')
+	if (tagName === 'th') {
+		cell.style.cssText = TH_STYLE
+	} else {
+		cell.style.cssText = TD_STYLE
+	}
 	return cell
 }
 
 export function buildTableHtml(rows = 3, cols = 3) {
-	let html = '<table><tbody>'
+	let html = `<table border="1" cellpadding="8" cellspacing="0" style="${TABLE_STYLE}"><tbody>`
 	for (let r = 0; r < rows; r += 1) {
-		html += '<tr>'
+		html += `<tr style="${TR_STYLE}">`
 		for (let c = 0; c < cols; c += 1) {
-			html += '<td><p><br></p></td>'
+			if (r === 0) {
+				html += `<th border="1" style="${TH_STYLE}"><p><br></p></th>`
+			} else {
+				html += `<td border="1" style="${TD_STYLE}"><p><br></p></td>`
+			}
 		}
 		html += '</tr>'
 	}
@@ -32,10 +104,13 @@ export function getCurrentCell(editorEl) {
 export function addRowBefore(cell) {
 	const row = cell.closest('tr')
 	const newRow = row.cloneNode(true)
+	newRow.style.cssText = TR_STYLE
 	newRow.querySelectorAll('td, th').forEach((item) => {
 		item.innerHTML = '<p><br></p>'
 		item.removeAttribute('colspan')
 		item.removeAttribute('rowspan')
+		item.setAttribute('border', '1')
+		item.style.cssText = item.tagName.toLowerCase() === 'th' ? TH_STYLE : TD_STYLE
 	})
 	row.before(newRow)
 	return newRow.cells[cell.cellIndex] || newRow.cells[0]
@@ -44,10 +119,13 @@ export function addRowBefore(cell) {
 export function addRowAfter(cell) {
 	const row = cell.closest('tr')
 	const newRow = row.cloneNode(true)
+	newRow.style.cssText = TR_STYLE
 	newRow.querySelectorAll('td, th').forEach((item) => {
 		item.innerHTML = '<p><br></p>'
 		item.removeAttribute('colspan')
 		item.removeAttribute('rowspan')
+		item.setAttribute('border', '1')
+		item.style.cssText = item.tagName.toLowerCase() === 'th' ? TH_STYLE : TD_STYLE
 	})
 	row.after(newRow)
 	return newRow.cells[cell.cellIndex] || newRow.cells[0]