notebook文件markdown中纯html中的图片显示问题

templates/repo/view_file.tmpl

@@ -133,16 +133,79 @@ function submitDeleteForm() {
         $("#delete-file-form").submit()
     }
 }
+
+
+const baseUrls = {};
+const justDomain = /^[^:]+:\/*[^/]*$/;
+const protocol = /^([^:]+:)[\s\S]*$/;
+const domain = /^([^:]+:\/*[^/]*)[\s\S]*$/;
+const originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i;
+function rtrim(str, c, invert) {
+  const l = str.length;
+  if (l === 0) {
+    return '';
+  }
+  let suffLen = 0;
+  while (suffLen < l) {
+    const currChar = str.charAt(l - suffLen - 1);
+    if (currChar === c && !invert) {
+      suffLen++;
+    } else if (currChar !== c && invert) {
+      suffLen++;
+    } else {
+      break;
+    }
+  }
+
+  return str.slice(0, l - suffLen);
+}
+function resolveUrl(base, href) {
+  if (!baseUrls[' ' + base]) {
+    if (justDomain.test(base)) {
+      baseUrls[' ' + base] = base + '/';
+    } else {
+      baseUrls[' ' + base] = rtrim(base, '/', true);
+    }
+  }
+  base = baseUrls[' ' + base];
+  const relativeBase = base.indexOf(':') === -1;
+
+  if (href.substring(0, 2) === '//') {
+    if (relativeBase) {
+      return href;
+    }
+    return base.replace(protocol, '$1') + href;
+  } else if (href.charAt(0) === '/') {
+    if (relativeBase) {
+      return href;
+    }
+    return base.replace(domain, '$1') + href;
+  } else {
+    return base + href;
+  }
+}
 function showNoteBook(){
-   var isNoteBook = {{.IsNoteBook}}
+   var isNoteBook = {{.IsNoteBook}};
    if (isNoteBook) {
-     var jsonStr = "{{.FileContent}}"
+     var jsonStr = "{{.FileContent}}";
+     var baseUrl={{.FileParentURL}};
      nb.markdown.setOptions({
-       baseUrl: {{.FileParentURL}}
+       baseUrl: baseUrl
      });
      var notebook = nb.parse(JSON.parse(jsonStr));
      var rendered = notebook.render();
      $("#notebook").append(rendered);
+
+     $("#notebook img").each(function(){
+
+         var oldSrc = $(this).attr('src');
+         if (!originIndependentUrl.test(oldSrc)){
+                var newSrc=resolveUrl(baseUrl,oldSrc);
+                $(this).attr('src', newSrc);
+
+         }
+
+     });
      Prism.highlightAll();
    }
 }