yang

该插件由 wp-utf8-excerpt 修改而来。 
主要修改详见 ChangeLog.

better-utf8-excerpt

A better excerpt plugin with better support for Chinese. It also support cutomized tags.

Marcus Downing

Zaybiz

A simple plugin to enhance your use of the_excerpt() function. Allows you to change the default title and description of the excerpt box, add an excerpt box to pages and show a customizable jQuery character counter with the ability to limit the amount of characters.
The jQuery character counter from <a href="http://tomdeater.com/" rel="nofollow ugc">Tom Deater</a> provides a user friendly way to limit the amount of characters while writing.

Excerpt Tools

Change the default text and description of the excerpt box, add an excerpt box to pages and show a jQuery character counter and limiter.

better-utf8-excerpt vs Excerpt Tools