📄 sessiontest.java~29~
字号:
package sessiontest;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
public class SessionTest extends HttpServlet {
private static final String CONTENT_TYPE = "text/html; charset=GBK";
//Initialize global variables
public void init() throws ServletException {
}
//Process the HTTP Get request
public void doGet(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
response.setContentType(CONTENT_TYPE);
response.setCharacterEncoding("GBK");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head><title>SessionTest</title></head>");
out.println("<body bgcolor=\"#ffffff\">");
request.setCharacterEncoding("GBK") ;
out.println("<p>您输入的内容为：</p>");
String[] txts = request.getParameterValues("txt") ;
if(txts.equals("") )
{
out.println("无输入") ;
}
else
{
for(int i = 0;i<txts.length ;i++)
out.println(txts[i]+"<br>") ;
}
out.println("<form action = \"/SessionModule/sessiontest\" method = post>") ;
if(txts!=null)
{
for(int i = 0 ;i<txts.length ;i++)
{
out.println("<input type = hidden name = txt value = \""+txts[i]+"\">") ;
}
}
out.println("<input type = \"text\" name = \"txtname\">") ;
out.println("<input type = \"hidden\" name = \"txt\" value = \" "+request.getParameter("txtname")+"\">") ;
out.println("<input type = \"submit\" value = \"添加\">") ;
out.println("</form>") ;
out.println("</body>");
out.println("</html>");
out.close();
}
//Process the HTTP Post request
public void doPost(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
doGet(request, response);
}
//Clean up resources
public void destroy() {
}
}
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