The top of the page configuration: <%@ page language= "java" import= "java.util.*" pageencoding= "UTF-8"%> web.xml file to write the code filter, which is as follows:
<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>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
Note: (The above code must be written at the beginning of the Web.xml) if not, add the enctype= "Multipart/form-data" attribute to the form forms as follows: <form action= "Adduser.action" method= "Post" enctype= "Multipart/form-data" > All pages are configured with a uniform encoding UTF-8 (or GB2312 or GBK) apache-tomcat-6.0.20\conf\ Server.xml, the contents are as follows:
<connector port= "8080" protocol= "http/1.1"
connectiontimeout= "20000"
Redirectport= "8443" urlencoding= "UTF-8" usebodyencodingforuri= "true"/> jsp page plus the following: <% @page contenttype= "text /html;charset=utf-8 "pageencoding=" Utf-8 "%>
