过滤器
package com.project.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 CharsetFilter implements Filter {
@Override
public void destroy() {
// TODO Auto-generated method stub
}
@Override
public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2)
throws IOException, ServletException {
arg0.setCharacterEncoding("utf-8");
arg1.setCharacterEncoding("utf-8");
arg1.setContentType("text/html; charset=utf-8");
}
@Override
public void init(FilterConfig arg0) throws ServletException {
// TODO Auto-generated method stub
}
}
在 web.xml 中配置过滤器
<!-- 注册编码过滤器 -->
<filter>
<filter-name>charset</filter-name>
<filter-class>com.project.filter.CharsetFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>charset</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
