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我有Registration_Page.jsp在那个页面中我有一个表单..我想使用servlet将表单提交到数据库中..我的servlet名字是Save_User_Details.java我想要得到的jsp页面表单数据到servlet..It越来越空值..How我可以得到这些值在给servlet人帮我，我对Java的新.. Registration_Page。 JSP如何获取jsp文本框的值到servlet中
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title> Registration Page</title>
<script language="JavaScript" src="gen_validatorv4.js"
type="text/javascript" xml:space="preserve"></script>
</head>
<body>
<h2 style="color: #ff6666" align="center">NEW USER REGISTRATION HERE</h2>
<form ENCTYPE="multipart/form-data" action="Save_User_Details"
method="POST" align="center" name="myform">
<table border="02" align="center" style="color: #ff3399">
<tr>
<th style="color:#ff6666">FIRST NAME:</th>
<td><input type="text" name="FName" id="FName" placeholder="First name" /></td>
</tr>
<tr>
<th style="color:#ff6666">LAST NAME:</th>
<td><input type="text" name="LName" id="LName" placeholder="Last name" /></td>
</tr>
<tr>
<th style="color:#ff6666">PASSWORD:</th>
<td><input type="password" name="password" id="password" placeholder="password"></td>
</tr>
<!-- <tr>
<th>CONFORM PASSWORD:</th>
<td><input type="password" name="conform_password" placeholder="conform password"></td>
</tr> -->
<tr>
<th style="color:#ff6666">EMAIL ID:</th>
<td><input type="email" name="mailid" id="mailid" placeholder="Mailid"></td>
</tr>
<tr>
<th style="color:#ff6666">MOBILE NUMBER</th>
<td><input type="number" name="mobile" id="mobile" placeholder="Mobile number"></td>
</tr>
<tr>
<th style="color:#ff6666">GENDER:</th>
<td style="color:#ff6666"><input type="radio" value="male" name="gender" id="gender"
checked="true">MALE <input type="radio" value="female"
name="gender">FEMALE <input type="radio" value="other"
name="gender">OTHER<br> <br></td>
</tr>
<tr>
<th style="color:#ff6666"><label>DATE OF BIRTH:</label></th>
<td><input type="date" name="dob" id="dob"><br> <br></td>
</tr>
<tr>
<th style="color:#ff6666">COUNTRY:</th>
<td><select name="Country" id="country" style="width: 150px">
<option value="000" selected="selected">[choose yours]</option>
<!-- <select name="country" style="width:150px"> -->
<option>India</option>
<option>USA</option>
<option>UK</option>
<option>Other</option>
</select>
<tr>
<th></th>
<td><input type="submit" style="color: #ff3399" value="SUMIT" />
<button style="color: #ff3399" type="reset">CLEAR</button>
</td>
</tr>
</tr>
<tr>
<td></td>
<td><a href="Login.jsp">LOGIN PAGE</a></td>
</tr>
</table>
</form>
<script language="JavaScript" type="text/javascript"
xml:space="preserve">
//<![CDATA[
//You should create the validator only after the definition of the HTML form
var frmvalidator = new Validator("myform");
frmvalidator.addValidation("FName", "req",
"Please enter your First Name");
frmvalidator.addValidation("FName", "maxlen=20",
"Max length for FirstName is 20");
frmvalidator.addValidation("FName", "minlen=4",
"Min length for FirstName is 4");
frmvalidator.addValidation("FName", "alpha", "Alphabetic chars only");
frmvalidator.addValidation("LName", "req",
"Please enter your Last Name");
frmvalidator.addValidation("LName", "maxlen=20", "Max length is 20");
frmvalidator.addValidation("LName", "minlen=4",
"Min length for LastName is 4");
frmvalidator.addValidation("password", "maxlen=10");
frmvalidator.addValidation("password", "req");
frmvalidator.addValidation("password", "");
frmvalidator.addValidation("password", "minlen=6",
"Min length for Password is 6");
frmvalidator.addValidation("mailid", "maxlen=50");
frmvalidator.addValidation("mailid", "req");
frmvalidator.addValidation("mailid", "email");
frmvalidator.addValidation("mailid", "minlen=6",
"Min length for Mailid is 6");
frmvalidator.addValidation("gender", "dontselect=000");
frmvalidator.addValidation("gender", "req");
frmvalidator.addValidation("mobile", "maxlen=10");
frmvalidator.addValidation("mobile", "numeric");
frmvalidator.addValidation("mobile", "req");
frmvalidator.addValidation("mobile", "minlen=10",
"Mobile number should be 10 numbers");
frmvalidator.addValidation("dob", "maxlen=40");
frmvalidator.addValidation("dob", "req");
frmvalidator.addValidation("Country", "dontselect=000");
frmvalidator.addValidation("Country", "req");
//]]>
</script>
</body>
</html>
Save_User_Details.java
package com.ih.Control;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.ih.Dao.UserDao;
import com.ih.Model.User_Details;
/**
* Servlet implementation class Save_User_Details
*/
@WebServlet("/Save_User_Details")
public class Save_User_Details extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public Save_User_Details() {
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 {
// TODO Auto-generated method stub
doGet(request, response);
User_Details ud=new User_Details();
System.out.println("i am in Save_User_Details..........");
PrintWriter out=response.getWriter();
int status=0;
String fname=request.getParameter("FName");
System.out.println("The FNAME::"+fname);
String lname=request.getParameter("LName");
System.out.println("The LNAME::"+lname);
String password=request.getParameter("password");
System.out.println("The PASSWORD::"+password);
String mailid=request.getParameter("mailid");
String mobile=request.getParameter("mobile");
String gender=request.getParameter("gender");
String dob=request.getParameter("dob");
String country=request.getParameter("country");
System.out.println("FNAME::"+fname+"LNAME::"+lname+"PASSWORD::"+password+"MAILID::"+mailid+"MOBILE::"+mobile+"GENDER::"+gender+"DOB::"+dob+"COUNTRY::"+country);
ud.setFName(fname);
ud.setLName(lname);
ud.setPassword(password);
ud.setMailid(mailid);
ud.setMobile(mobile);
ud.setGender(gender);
ud.setDob(dob);
ud.setCountry(country);
try {
UserDao.SaveRegistration_Details();
RequestDispatcher rd=request.getRequestDispatcher("Login.jsp");
rd.forward(request, response);
} catch (SQLException e) {
out.println("<h1 style='color:red'>FAILED TO INSERT USER DATA TRY AGAIN!!</h1>");
out.println("<a href='Registration_Page.jsp'>REGISTER AGAIN</a>");
e.printStackTrace();
}
}
}
删除ENCTYPE = “的multipart/form-data的”，并尝试请。 –
它工作正常.......感谢您的回复... Gurkan Yesilyurt – suresh
欢迎您。 –