前台表单确认后台输出怎么才能让它输出的是值而不是地址呢,重写了toString也还是不对呢
package com.epoint.demo;
import java.io.IOException;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class StudentServlet
*/
@WebServlet("/StudentServlet")
public class StudentServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public StudentServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
//获取所有请求参数名称和值
request.setCharacterEncoding("utf-8");
Enumeration<String> parameterNames =request.getParameterNames();
while(parameterNames.hasMoreElements()) {
String paramName = parameterNames.nextElement();
String[] paramValue = request.getParameterValues(paramName);
for(String value: paramValue) {
System.out.println(paramName+":"+paramValue);
}
}
response.setContentType("text/html;charset=utf-8");
response.setCharacterEncoding("utf-8");
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doGet(request, response);
}
@Override
public String toString() {
return "StudentServlet [getInitParameterNames()=" + getInitParameterNames() + ", getServletConfig()="
+ getServletConfig() + ", getServletContext()=" + getServletContext() + ", getServletInfo()="
+ getServletInfo() + ", getServletName()=" + getServletName() + ", getClass()=" + getClass()
+ ", hashCode()=" + hashCode() + ", toString()=" + super.toString() + "]";
}
}
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>表单页面</title>
</head>
<body>
<form action="StudentServlet" method="post">
姓名:<input type="text" id="username" name="username" />
</br>
性别:<input type="radio" name="sex" value="1"/>男
<input type="radio" name="sex" value="2"/>女
</br>
生日:<input type="birthday" id="birthday" name="birthday"/>
</br>
密码:<input type="password" id="password" name="password"/>
</br>
技能:<select id="skills" name="skills" />
<option value="1">java</option>
<option value="2">C++</option>
<option value="3">Oracle</option>
<option value="4">JavaScript</option>
<select/>
</br>
爱好:<input name="hobby" type="checkbox" value="1"/>编程
<input name="hobby" type="checkbox" value="2"/>健身
<input name="hobby" type="checkbox" value="3"/>唱歌
<input name="hobby" type="checkbox" value="4"/>摄影
</br>
<input type="submit" value="提交"/>
<input type="reset" value="重置"/>
</form>
</body>
</html>