在SpringMVC中碰到乱码问题时可以在web.xml中进行如下配置
<filter>
<filter-name>encoding</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>utf-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
注意:url-pattern标签的配置务必是 /* ,不是 / ,注意两者区别
- <url-pattern>/</url-pattern> :会匹配到/index这样的路径,不会匹配格式为*.jsp这样的url
- <url-pattern>/*</url-pattern>: 会匹配所有url:路径型和后缀型的url(包括/index,.jsp,.js和*.html等)