我想写个验证程序(JAVA)，客户端输入用户名和密码，访问网络服务器的JSP程序，JSP进行验证，把验证结果反馈给客户端，现在问题是
1，JSP怎么样设定返回值，是用response么？
2，客户端怎么接受反馈回来的处理结果？
public String Httpcertify(){
String urlStr = "http://localhost:8080/examples/Certify.jsp";
urlStr = urlStr + "?userid=" + txtUserId.getText() + "&";
urlStr = urlStr + "passwd=" + txtPassWd.getText() + "&";
urlStr = urlStr + "macaddress=" + MacAddress;
try{
URL url = new URL(urlStr);
HttpURLConnection hurlc =(HttpURLConnection)url.openConnection();
hurlc.setFollowRedirects(true);
hurlc.setInstanceFollowRedirects(true);
hurlc.setUseCaches(true);
hurlc.connect();
InputStream is=hurlc.getI
org.apache.jasper.JasperException: Unable to compile class for JSP:
An error occurred at line: 52 in the jsp file: /vip_info.jsp
ÕË cannot be resolved
49: <table border="1& ......
insert into [ScholarshipManagement].[dbo].[department] ([department],[specialization] ,[grade]) output inserted.departmentID values(? ,? ,? )
请问大哥们这个sql 语句应该用Java里的那个数据库操作方法？ ......
我写了个jsp页面，然后改动了一下，改动的内容就是在jsp页面的js函数里加了个alert()语句，但是我访问这个页面时，死活都是原来页面的内容，我加了很多alert函数还是没改动前的页面内容；tomcat重启了，也重新部署这 ......
