1. 精确匹配
<servlet-mapping> ???<servlet-name>dispatcher</servlet-name> ???<url-pattern>/test.html</url-pattern> ???<url-pattern>/a/test.html</url-pattern></servlet-mapping>2. 扩展名匹配
<servlet-mapping> ???<servlet-name>dispatcher</servlet-name> ???<url-pattern>*.do</url-pattern> ???<url-pattern>*.action</url-pattern></servlet-mapping>3. 路径匹配
<servlet-mapping> ???<servlet-name>dispatcher</servlet-name> ???<url-pattern>/test/*</url-pattern></servlet-mapping>4. 匹配任意的 url
<servlet-mapping> ???<servlet-name>dispatcher</servlet-name> ???<url-pattern>/</url-pattern></servlet-mapping>5. 优先顺序
精确路径 > 最长路径 > 扩展名
servlet 的 url-pattern 的写法
原文地址：https://www.cnblogs.com/StarUDream/p/9045475.html