39 lines
1.7 KiB
JavaScript
39 lines
1.7 KiB
JavaScript
/**
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* 处理富文本里的图片宽度自适应
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* 1.去掉img标签里的style、width、height属性
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* 2.修改所有style里的width属性为max-width:100%
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* 3.img标签添加style属性：max-width:100%;height:auto
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* 4.去掉<br/>标签
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* @param html
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* @return string
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*/
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function formatRichText (html) {
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// 去掉img标签里的style、width、height属性
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let newContent= html.replace(/<img[^>]*>/gi,function(match,capture){
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match = match.replace(/style="[^"]+"/gi, '').replace(/style='[^']+'/gi, '');
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match = match.replace(/width="[^"]+"/gi, '').replace(/width='[^']+'/gi, '');
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match = match.replace(/height="[^"]+"/gi, '').replace(/height='[^']+'/gi, '');
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return match;
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});
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// 修改所有style里的width属性为max-width:100%
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newContent = newContent.replace(/style="[^"]+"/gi,function(match,capture){
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match = match.replace(/width:[^;]+;/gi, 'max-width:100%;').replace(/width:[^;]+;/gi, 'max-width:100%;');
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return match;
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});
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// 去掉<br/>标签
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newContent = newContent.replace(/<br[^>]*\/>/gi, '');
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// img标签添加style属性：max-width:100%;height:auto
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newContent = newContent.replace(/\<img/gi, '<img style="max-width:100%;height:auto;display:block;margin:0px auto;"');
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newContent = newContent.replace(/<br[^>]*\/>/gi, '');
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newContent = newContent.replace(/<td[^<>]*>/ig, '<td style="padding:0px;height:auto;word-break:break-all;">');
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newContent = newContent.replace(/<td[^<>]*>\s*?<p>/ig, '<td>');
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newContent = newContent.replace(/<table[^>]*>/gi, '<table cellpadding="0" cellspacing="0" max-width="100%" border="1" style="font-size:12px;max-width:100%; text-align:left;text-indent: 0em;line-height:12px;"');
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return newContent;
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}
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export default {
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formatRichText,
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}; |