?? jacobscript.java
字號:
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import com.jacob.com.*;
import com.jacob.activeX.*;
public class JacobScript extends javax.servlet.http.HttpServlet
{
public void doGet(HttpServletRequest req,
HttpServletResponse res)
throws ServletException
{
PrintWriter out = null;
try
{
res.setContentType("text/html");
out = res.getWriter();
// display a form
out.println("<h1>Enter a VBScript Expression</h1>");
out.println("<form method=\"POST\" action=\"/JacobScript\">");
out.println("<input name=\"expr\" type=\"text\" width=64>");
out.println("<input type=\"submit\">");
out.println("</form>");
} catch (Exception e) {
e.printStackTrace();
out.println("<H2>Error:"+e+"</H2>");
}
}
public void doPost(HttpServletRequest req,
HttpServletResponse res)
throws ServletException
{
PrintWriter out = null;
try
{
res.setContentType("text/html");
out = res.getWriter();
// get what they typed in
String expr = (String)req.getParameter("expr");
// make sure we have a session
HttpSession session = req.getSession(true);
Object sControl = null;
if (session.isNew())
{
// initialize the control and store it on the session
String lang = "VBScript";
ActiveXComponent sC = new ActiveXComponent("ScriptControl");
sControl = sC.getObject();
Dispatch.put(sControl, "Language", lang);
session.putValue("control", sControl);
}
else
{
sControl = session.getValue("control");
}
Variant result = Dispatch.call(sControl, "Eval", expr);
// display a form
out.println("<h1>Enter a VBScript Expression</h1>");
out.println("<form method=\"POST\" action=\"/JacobScript\">");
out.println("<input name=\"expr\" type=\"text\" value=\""+expr+"\" width=64>");
out.println("<input type=\"submit\">");
out.println("</form>");
out.println("<H1>Jacob Response:</H1>");
out.println("<H2>"+result+"</H2>");
} catch (Exception e) {
e.printStackTrace();
out.println("<H2>Error:"+e+"</H2>");
}
}
}
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