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使用spring的前提下在web.xml中配置 <filter> <filter-name>encodingFilter </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> <init-param> <param-name>forceEncoding </param-name> <param-value>true </param-value> </init-param> </filter> 并将对应的后缀加入filter-mapping,例如 <filter-mapping> <filter-name>encodingFilter </filter-name> <url-pattern>*.do </url-pattern> </filter-mapping>
千万要注意他们了的先后顺序，顺序颠倒了就不管用了哦
