GetForm.java
package form;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class GetForm extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String firstName = req.getParameter("firstName");
String lastName = req.getParameter("lastName");
String gender = req.getParameter("gender");
PrintWriter pw = resp.getWriter();
pw.println("");
pw.println(gender + " " + firstName + " " + lastName + "");
Enumeration paramNames = req.getParameterNames();
while (paramNames.hasMoreElements()) {
String paramName = (String) paramNames.nextElement();
System.out.println(paramName);
}
Map<String, String[]> parameterMap = req.getParameterMap();
for (Map.Entry<String, String[]> entry : parameterMap.entrySet()) {
System.out.println(entry.getKey() + " " + Arrays.asList(entry.getValue()));
}
}
}
Sinifimizin servlet tanimlarini web.xml dosyamiza ekleyelim.
web.xml
<servlet>
<servlet-name>GetForm</servlet-name>
<servlet-class>form.GetForm</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>GetForm</servlet-name>
<url-pattern>/getForm</url-pattern>
</servlet-mapping>
Projemize yeni HTML dosyasi ekleyecegiz. Bu html dosyamizi projemizde Web Pages dizini altina olusturabiliriz.
form.html
<!DOCTYPE html>
<html>
<body>
<form id="form1" action="getForm" method="get">
<div>
</div>
<table id="table1" cellspacing="5px" cellpadding="5%">
<tr>
<td align="right">Isim:</td>
<td><input type="text" name="firstName" /></td>
</tr>
<tr>
<td align="right">Soy Isim:</td>
<td><input type="text" name="lastName" /></td>
</tr>
<tr>
<td align="right">Cinsiyet</td>
<td>
<select name="gender">
<option value="Bay" selected="selected">Bay</option>
<option value="Bayan">Bayan</option>
</select>
</td>
</tr>
<td>
<input type="submit" value="Submit"/>
</td>
</table>
</form>
</body>
</html>
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