解决方法：在web.xml中添加如下代码：
<jsp-config>
<jsp-property-group>
<description>Special property group for JSP Configuration JSP example.</description>
<display-name>JSPConfiguration</display-name>
<url-pattern>*.jsp</url-pattern>
<el-ignored>true</el-ignored>
<page-encoding>GBK</page-encoding>
<scripting-invalid>false</scripting-invalid>
<include-prelude></include-prelude>
<include-coda></include-coda>
<description>Special property group for HTML Configuration HTML example.</description>
<display-name>JSPConfiguration</display-name>
<url-pattern>*.html</url-pattern>
<el-ignored>true</el-ignored>
<page-encoding>GBK</page-encoding>
<scripting-invalid>false</scripting-invalid>
<include-prelude></include-prelude>
<include-coda></include-coda>
</jsp-property-group>
</jsp-config>
2.当form提交时，不管以get还是以post方式提交，所以的request.getParameter("Name"),中文全是乱码了
解决方法：
get方式提交时：修改%TOMCAT_HOME%/conf/server.xml ，添加URIEncoding参数
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443"
URIEncoding="GBK" />
红色为解决乱码而添加的参数
post方式提交时：添加一个过滤器类（%TOMCAT_HOME%\webapps\examples\WEB-INF\classes\filters 目录下的三个java文件就是例子，web.xml中有配置）:
package com.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class EncodingFilter implements Filter {
protected String encoding = null;
protected FilterConfig filterConfig = null;
protected boolean ignore = true;
public void destroy() {
// TODO Auto-generated method stub
this.encoding = null;
this.filterConfig = null;
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
// TODO Auto-generated method stub
if (ignore || (request.getCharacterEncoding() == null)) {
String encoding = selectEncoding(request);
if (encoding!=null) {
request.setCharacterEncoding(encoding);
}
}
chain.doFilter(request, response);
}
public void init(FilterConfig filterConfig) throws ServletException {
// TODO Auto-generated method stub
this.filterConfig = filterConfig;
this.encoding = filterConfig.getInitParameter("encoding");
String value = filterConfig.getInitParameter("ignore");
if (value==null) {
this.ignore = true;
} else if (value.equalsIgnoreCase("true")) {
this.ignore = true;
} else if (value.equalsIgnoreCase("yes")) {
this.ignore = true;
} else{
this.ignore = false;
}
}
protected String selectEncoding(ServletRequest request) {
return (this.encoding);
}
}
当然，完成后，还要在web.xml中配置，添加如下内容：
<!-- post 方式提交乱码特殊处理 -->
<filter>
<filter-name>Encoding</filter-name>
<filter-class>com.idfounder.heyx.filter.EncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>GBK</param-value>
<!--gbk或者gb2312或者utf-8-->
</init-param>
<init-param>
<param-name>ignore</param-name>
<param-value>false</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>Encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
注意红色部分为<url-pattern>标签，不是<servlet-name>,配错了就不管用了
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