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in Technique[技术] by (71.8m points)

ejs中怎么正确使用使用js

以下是可以运行的代码

<%- Content();%><%  -%> //这里是调用博客文章内容的

<%
function refineContent(str){
 ym = //默认域名
 cdn = //加速域名
 indexC = str.indexOf('<img');
    while(indexC != -1){
        indexEnd = str.indexOf('>', indexC);
        srcImage = str.indexOf('src', indexC);
        domain = str.substring(srcImage + 5, srcImage + 5 + ym.length); 
        if (domain == ym){ 
            str = str.substring(0, srcImage + 5) + cdn + str.substring(str.indexOf("post-images", indexC));
        }
        indexC = str.indexOf('<img', indexEnd);
    }
    return str;
}
function Content(){
    let con= post.content;
    con = refineContent(con);
    return con;
}
%>

上面的代码是把默认域名替换成加速域名的。

如果我想在这里实现给文章img图片添加一个a标签,需要怎么做呢?

默认渲染:

<figure data-type="image" tabindex="1">
    <img src=".../图片.jpg" alt="" loading="lazy">
</figure>

想实现:

<figure data-type="image" tabindex="1">
    <a href=".../图片.jpg" data-fancybox="gallery">
        <img src=".../图片.jpg">
    </a>
</figure>

因为html是在本地渲染才上传到github上,所以想减少线上的js。有什么好办法没?


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