uniapp开发微信小程序遇到富文本内容大小变形问题v-html

发布于:2025-08-09 ⋅ 阅读:(19) ⋅ 点赞:(0)

uniapp开发微信小程序遇到富文本内容大小变形问题v-html

<view class="description">
	<view>论坛介绍</view>
	<view class="html-content" v-html="forumDetailData.forumDescriptionCn"></view>
</view>
this.forumDetailData.forumDescriptionCn = this.forumDetailData.forumDescriptionCn
	// 1. px 转 rem
	.replace(/(\d+)px/g, (match, p1) => {
		return (p1 * 0.04) + 'rem';
	})
	// 2. 给 id="companyBox" 添加 margin 样式
	.replace(/<(\w+)([^>]*?)id=["']companyBox["']([^>]*?)>/gi, (match, tag, beforeId,
		afterId) => {
		let fullAttr = beforeId + afterId;
		if (/style\s*=\s*["'].*?["']/.test(fullAttr)) {
			return match.replace(/style=["'](.*?)["']/i, (styleMatch,
				styleContent) => {
				return `style="${styleContent} margin: 1rem 0;"`;
			});
		} else {
			return `<${tag}${beforeId}id="companyBox"${afterId} style="margin: 1rem 0;">`;
		}
	})
	// 3. 背景图处理,追加 background-size: 80%
	.replace(/style=["'](.*?)["']/gi, (match, styleContent) => {
		if (/background(-image)?:\s*url\(['"]?.*?['"]?\)/.test(styleContent)) {
			if (/background-size\s*:/.test(styleContent)) {
				return match; // 已有 background-size
			} else {
				return `style="${styleContent} background-size: 80%;"`;
			}
		}
		return match;
	})
	// 4. 给 <img> 添加样式,防止样式失效
	.replace(/<img /g,
		'<img style="max-width:100%;height:auto;display:block;margin-bottom:10rpx;" ');

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