jsp传过来的中文，在servlet中接收乱码了 - 黑马程序员技术交流社区

package zhiwei.deng.web.bbs.control;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import zhiwei.deng.web.bbs.domain.User;
import zhiwei.deng.web.bbs.form.RegisterForm;
import zhiwei.deng.web.bbs.service.UserService;
import com.sun.org.apache.commons.beanutils.BeanUtils;
public class RegisterServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
doPost(request,response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
Enumeration<String> enums = request.getParameterNames();
User user = new User();
while(enums.hasMoreElements()){
String name = enums.nextElement();
String[] values = request.getParameterValues(name);
System.out.println(name);//username的参数
System.out.println(request.getParameter(name));//这个显示乱码了é????????
try {
BeanUtils.setProperty(user, name, values);
} catch(Exception e) {
e.printStackTrace();
}
}
//进入数据格式校验
RegisterForm registerForm = new RegisterForm();
boolean flag = registerForm.validate(user);
if(flag){
//校验通过
try {
UserService userService = new UserService();
userService.addUser();
request.setAttribute("message", "用户注册成功");
request.getRequestDispatcher("/WEB-INF/jsp/message.jsp").forward(request, response);
}catch (Exception e) {
e.printStackTrace();
request.setAttribute("message", "用户注册失败");
request.getRequestDispatcher("/WEB-INF/jsp/message.jsp").forward(request, response);
}
request.getRequestDispatcher("/WEB-INF/jsp/message.jsp").forward(request, response);
}else{
request.setAttribute("registerForm", registerForm);
request.getRequestDispatcher("/WEB-INF/jsp/register.jsp").forward(request, response);
}
}
}

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package util;
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 CharacterEncodingFilter implements Filter {
@Override
public void destroy() {
// TODO Auto-generated method stub
}
@Override
public void doFilter(ServletRequest arg0, ServletResponse arg1,
FilterChain arg2) throws IOException, ServletException {
// TODO Auto-generated method stub
arg0.setCharacterEncoding("utf-8");
arg2.doFilter(arg0, arg1);
}
@Override
public void init(FilterConfig arg0) throws ServletException {
// TODO Auto-generated method stub
}
}

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