iOS App开发中扩展RCLabel组件进行基于HTML的文本布局

2020-01-15 16:41:37于丽

-(void)setLinkingFontSize:(int)linkingFontSize{
    _linkingFontSize = linkingFontSize;
    [_label setLinkingSize:linkingFontSize];
}
-(void)setIsShowUnderLine:(BOOL)isShowUnderLine{
    _isShowUnderLine = isShowUnderLine;
    [_label setShowUnderLine:isShowUnderLine];
}
-(NSString *)transLinkingDataToHtmlStr:(NSArray<YHBaseLinkingLabelModel *> *)data{
    NSMutableString * mutStr = [[NSMutableString alloc]init];
    for (int i=0; i<data.count; i++) {
    //这个model中存放的是超链接部分的文字和对应的url
        YHBaseLinkingLabelModel * model = data[i];
        if (!model.linking) {
            [mutStr appendString:model.text];
        }else {
            [mutStr appendString:@"<a href="];
            [mutStr appendString:model.linking];
            [mutStr appendString:@">"];
            [mutStr appendString:model.text];
            [mutStr appendString:@"</a>"];
        }
    }
    return mutStr;
}
#pragma mark delegate
//点击的回调
-(void)YHBaseHtmlView:(YHBaseHtmlView *)htmlView ClickLink:(NSString *)url{
    for (YHBaseLinkingLabelModel * model in _textArray) {
        if ([model.linking isEqualToString:url]) {
            if ([self.delegate respondsToSelector:@selector(YHBaseLinkingLabelClickLinking:)]) {
                [self.delegate YHBaseLinkingLabelClickLinking:model];
                return;
            }
        }
    }
}
//布局尺寸改变的回调
-(void)YHBaseHtmlView:(YHBaseHtmlView *)htmlView SizeChanged:(CGSize)size{
    if ([self.delegate respondsToSelector:@selector(YHBaseLinkingLabelSizeChange:)]) {
        [self.delegate YHBaseLinkingLabelSizeChange:size];
    }
}
@end
上面我们有用到一个YHBaseLinkingLabelModel类,这个类进行了链接与字符的映射,设计如下: