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feat: 动态页自渲染

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guozhigq
2023-09-08 16:46:51 +08:00
parent 396f9fbbac
commit 517ca032d2
8 changed files with 356 additions and 0 deletions
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136
lib/common/widgets/html_render.dart Normal file
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import 'package:cached_network_image/cached_network_image.dart';
import 'package:get/get.dart';
import 'package:flutter/material.dart';
import 'package:flutter_html/flutter_html.dart';
// ignore: must_be_immutable
class HtmlRender extends StatelessWidget {
String? htmlContent;
final int? imgCount;
final List? imgList;
HtmlRender({
this.htmlContent,
this.imgCount,
this.imgList,
super.key,
});
@override
Widget build(BuildContext context) {
return Html(
data: htmlContent,
// tagsList: Html.tags..addAll(["form", "label", "input"]),
onLinkTap: (url, buildContext, attributes) => {},
extensions: [
TagExtension(
tagsToExtend: {"img"},
builder: (extensionContext) {
String? imgUrl = extensionContext.attributes['src'];
if (imgUrl!.startsWith('//')) {
imgUrl = 'https:$imgUrl';
}
if (imgUrl.startsWith('http://')) {
imgUrl = imgUrl.replaceAll('http://', 'https://');
}
print(imgUrl);
bool isEmote = imgUrl.contains('/emote/');
bool isMall = imgUrl.contains('/mall/');
if (isMall) {
return SizedBox();
}
// bool inTable =
// extensionContext.element!.previousElementSibling == null ||
// extensionContext.element!.nextElementSibling == null;
// imgUrl = Utils().imageUrl(imgUrl!);
return Image.network(
imgUrl,
width: isEmote ? 22 : null,
height: isEmote ? 22 : null,
);
},
),
],
style: {
"html": Style(
fontSize: FontSize.medium,
lineHeight: LineHeight.percent(140),
),
"body": Style(margin: Margins.zero, padding: HtmlPaddings.zero),
"a": Style(
color: Theme.of(context).colorScheme.primary,
textDecoration: TextDecoration.none,
),
"p": Style(
margin: Margins.only(bottom: 0),
),
"span": Style(
fontSize: FontSize.medium,
),
"li > p": Style(
display: Display.inline,
),
"li": Style(
padding: HtmlPaddings.only(bottom: 4),
textAlign: TextAlign.justify,
),
"image": Style(margin: Margins.only(top: 4, bottom: 4)),
"p > img": Style(margin: Margins.only(top: 4, bottom: 4)),
"code": Style(
backgroundColor: Theme.of(context).colorScheme.onInverseSurface),
"code > span": Style(textAlign: TextAlign.start),
"hr": Style(
margin: Margins.zero,
padding: HtmlPaddings.zero,
border: Border(
top: BorderSide(
width: 1.0,
color:
Theme.of(context).colorScheme.onBackground.withOpacity(0.3),
),
),
),
'table': Style(
border: Border(
right: BorderSide(
width: 0.5,
color:
Theme.of(context).colorScheme.onBackground.withOpacity(0.3),
),
bottom: BorderSide(
width: 0.5,
color:
Theme.of(context).colorScheme.onBackground.withOpacity(0.3),
),
),
),
'tr': Style(
border: Border(
top: BorderSide(
width: 1.0,
color:
Theme.of(context).colorScheme.onBackground.withOpacity(0.3),
),
left: BorderSide(
width: 1.0,
color:
Theme.of(context).colorScheme.onBackground.withOpacity(0.3),
),
),
),
'thead': Style(
backgroundColor: Theme.of(context).colorScheme.background,
),
'th': Style(
padding: HtmlPaddings.only(left: 3, right: 3),
),
'td': Style(
padding: HtmlPaddings.all(4.0),
alignment: Alignment.center,
textAlign: TextAlign.center,
),
},
);
}
}