Servlets Eclipse中的Servlet:请求的资源[/Register/]不可用
确切错误：请求的资源[/Register/]不可用。说明源服务器找不到目标资源的当前表示形式，或者不愿意透露存在该表示形式 我正在使用tomcat和Eclipse 代码如下： RegisterDao.javaServlets Eclipse中的Servlet:请求的资源[/Register/]不可用,servlets,http-status-code-404,Servlets,Http Status Code 404,确切错误：请求的资源[/Register/]不可用。说明源服务器找不到目标资源的当前表示形式，或者不愿意透露存在该表示形式 我正在使用tomcat和Eclipse 代码如下： RegisterDao.java import java.sql.Driver; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.SQLException; public class RegisterDao
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
public class RegisterDao {
private String dbUrl = "jdbc:mysql://localhost:3306/explorecalifornia";
private String dbUname = "dbuser";
private String dbPassword = "dbpassword";
private String dbDriver = "com.mysql.cj.jdbc.Driver";
public void loadDriver(String dbDriver)
{
try {
Class.forName(dbDriver);
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public Connection getConnection()
{
Connection con = null;
try {
con = DriverManager.getConnection(dbUrl, dbUname, dbPassword);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return con;
}
public String insert(Member member)
{
loadDriver(dbDriver);
Connection con = getConnection();
String result = "Data entered successfully";
String sql = "insert into member values(?,?,?,?)";
PreparedStatement ps;
try {
ps = con.prepareStatement(sql);
ps.setString(1, member.getUname());
ps.setString(2, member.getPassword());
ps.setString(3, member.getEmail());
ps.setString(4, member.getPhone());
ps.executeUpdate();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
result = "Data not entered";
}
return result;
}
}
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/Register")
public class Register extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public Register() {
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
response.getWriter().append("Served at: ").append(request.getContextPath());
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String uname = request.getParameter("uname");
String password = request.getParameter("password");
String email = request.getParameter("email");
String phone = request.getParameter("phone");
Member member = new Member(uname, password, email, phone);
RegisterDao rDao = new RegisterDao();
String result = rDao.insert(member);
response.getWriter().print(result);
}
}
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
<display-name>Registration</display-name>
<welcome-file-list>
<welcome-file>memberRegistration.jsp</welcome-file>
</welcome-file-list>
</web-app>
登记处
memberRegistration.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="memberRegistration" method="post">
<table>
<tr><td>User Name: </td><td><input type="text" name="uname"></td></tr>
<tr><td>Password: </td><td><input type="password" name="password"></td></tr>
<tr><td>Email: </td><td><input type="text" name="email"></td></tr>
<tr><td>phone: </td><td><input type="text" name="phone"></td></tr>
<tr><td></td><td><input type="submit" value="register"></td></tr>
</table>
</form>
</body>
</html>
在此处插入标题
用户名：
密码：
电邮：
电话：