XML comments are special comments that provide metadata to XML documents. To write XML comments, enclose them with the tags <!-- and --> and follow specific syntax. Commonly used tags include
, , , , and . XML comments should be placed at the top of the document, and all tags and attributes should be lowercase.
Writing XML comments
XML comments are special comments that provide machine-readable metadata for XML documents. It follows a specific syntax so that the machine can easily parse and understand the annotated content.
Writing XML comments
To write XML comments, use the tags <!-- and --> to enclose the comments. Inside the comment, use the following syntax:
<code><!-- <tagname attribute="value">content</tagname> --></code>
tagname is the tag name used in XML comments, attribute is the attribute of the tag, value is the attribute value, content is the content of the tag.
Common XML comment tags
The following are commonly used XML comment tags:
-
: Provides a brief description of the comments. - : Parameters describing methods or functions.
-
: Describes the return value of a method or function. -
: Provide additional instructions or details with attention. -
: Provide code examples to illustrate the content of the comment.
Example
Here is an example of an XML comment:
<code><!-- <summary>計(jì)算圓的面積。</summary> <param name="radius">半徑</param> <returns>面積</returns> <remarks>面積公式是π * radius^2。</remarks> --></code>
Notice:
- XML comments must be placed at the top of the XML document.
- Comment labels and attribute names must be lowercase.
- Tag content can be formatted using HTML elements.
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