如何使用JavaScript将HTML转换为RTF [英] How to convert HTML to RTF using JavaScript
本文介绍了如何使用JavaScript将HTML转换为RTF的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个带有页眉和页脚的输入HTML文件. 需要将其转换为RTF.在生成的RTF文件中,应重复HTML的页眉/页脚.
I have an input HTML file with header and footer. It needs to be converted to RTF. The header/footer of HTML should be repeated in the resultant RTF file.
是否有任何插件可以仅使用 JavaScript ?
Is there any plugin to convert HTML to RTF by only using JavaScript??
推荐答案
您可以使用此转换器
但是它不能解决要点(ul,li元素)
However it does not address bullet points (ul, li elements)
function convertHtmlToRtf(html) {
if (!(typeof html === "string" && html)) {
return null;
}
var tmpRichText, hasHyperlinks;
var richText = html;
// Singleton tags
richText = richText.replace(/<(?:hr)(?:\s+[^>]*)?\s*[\/]?>/ig, "{\\pard \\brdrb \\brdrs \\brdrw10 \\brsp20 \\par}\n{\\pard\\par}\n");
richText = richText.replace(/<(?:br)(?:\s+[^>]*)?\s*[\/]?>/ig, "{\\pard\\par}\n");
// Empty tags
richText = richText.replace(/<(?:p|div|section|article)(?:\s+[^>]*)?\s*[\/]>/ig, "{\\pard\\par}\n");
richText = richText.replace(/<(?:[^>]+)\/>/g, "");
// Hyperlinks
richText = richText.replace(
/<a(?:\s+[^>]*)?(?:\s+href=(["'])(?:javascript:void\(0?\);?|#|return false;?|void\(0?\);?|)\1)(?:\s+[^>]*)?>/ig,
"{{{\n");
tmpRichText = richText;
richText = richText.replace(
/<a(?:\s+[^>]*)?(?:\s+href=(["'])(.+)\1)(?:\s+[^>]*)?>/ig,
"{\\field{\\*\\fldinst{HYPERLINK\n \"$2\"\n}}{\\fldrslt{\\ul\\cf1\n");
hasHyperlinks = richText !== tmpRichText;
richText = richText.replace(/<a(?:\s+[^>]*)?>/ig, "{{{\n");
richText = richText.replace(/<\/a(?:\s+[^>]*)?>/ig, "\n}}}");
// Start tags
richText = richText.replace(/<(?:b|strong)(?:\s+[^>]*)?>/ig, "{\\b\n");
richText = richText.replace(/<(?:i|em)(?:\s+[^>]*)?>/ig, "{\\i\n");
richText = richText.replace(/<(?:u|ins)(?:\s+[^>]*)?>/ig, "{\\ul\n");
richText = richText.replace(/<(?:strike|del)(?:\s+[^>]*)?>/ig, "{\\strike\n");
richText = richText.replace(/<sup(?:\s+[^>]*)?>/ig, "{\\super\n");
richText = richText.replace(/<sub(?:\s+[^>]*)?>/ig, "{\\sub\n");
richText = richText.replace(/<(?:p|div|section|article)(?:\s+[^>]*)?>/ig, "{\\pard\n");
// End tags
richText = richText.replace(/<\/(?:p|div|section|article)(?:\s+[^>]*)?>/ig, "\n\\par}\n");
richText = richText.replace(/<\/(?:b|strong|i|em|u|ins|strike|del|sup|sub)(?:\s+[^>]*)?>/ig, "\n}");
// Strip any other remaining HTML tags [but leave their contents]
richText = richText.replace(/<(?:[^>]+)>/g, "");
// Prefix and suffix the rich text with the necessary syntax
richText =
"{\\rtf1\\ansi\n" + (hasHyperlinks ? "{\\colortbl\n;\n\\red0\\green0\\blue255;\n}\n" : "") + richText + "\n}";
return richText;
}
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