求大家帮小弟看看小弟我这个登录用的servlet对吗
日期：2014-05-18 浏览次数：20688 次
求大家帮小弟看看我这个登录用的servlet对吗?
html:
<!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>登录</title>
</head>
<body>
<font color="#0000FF"><h3>登 录</h3></font>
<form action="http://localhost:8080/javaweb/Login"
method="get">
<p><font color="#00FFFF"><label>姓名</label></font>
<input type="text" name="firstName" size="20"/>
<br>
<font color="#00FFFF"><label>密码</label></font>
<input type="password" name="userWord" size="20"/>
</p>
<p><input type="submit" value="登录"/>
<input type="button" value="注册" /></p>
</form>
</body>
</html>
servlet代码：
package servlet;
import java.io.*;
import java.sql.*;
import javax.servlet.ServletConfig;
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 Login
*/
@WebServlet("/Login")
public class Login extends HttpServlet {
private static final long serialVersionUID = 1L;
private PreparedStatement pstmt;
String firstName;
String userWord;
/**
* @see HttpServlet#HttpServlet()
*/
public Login() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see Servlet#init(ServletConfig)
*/
public void init(ServletConfig config) throws ServletException {
initializeJdbc();// TODO Auto-generated method stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out=response.getWriter();
html:
<!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>登录</title>
</head>
<body>
<font color="#0000FF"><h3>登 录</h3></font>
<form action="http://localhost:8080/javaweb/Login"
method="get">
<p><font color="#00FFFF"><label>姓名</label></font>
<input type="text" name="firstName" size="20"/>
<br>
<font color="#00FFFF"><label>密码</label></font>
<input type="password" name="userWord" size="20"/>
</p>
<p><input type="submit" value="登录"/>
<input type="button" value="注册" /></p>
</form>
</body>
</html>
servlet代码：
package servlet;
import java.io.*;
import java.sql.*;
import javax.servlet.ServletConfig;
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 Login
*/
@WebServlet("/Login")
public class Login extends HttpServlet {
private static final long serialVersionUID = 1L;
private PreparedStatement pstmt;
String firstName;
String userWord;
/**
* @see HttpServlet#HttpServlet()
*/
public Login() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see Servlet#init(ServletConfig)
*/
public void init(ServletConfig config) throws ServletException {
initializeJdbc();// TODO Auto-generated method stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out=response.getWriter();
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