关于无常正常编译servlet文件的问题.急.顺便说下导包的方法.
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.zip.*;
public class GzipUtilities
{
public static boolean isGzipsupported(HttpServletRequest request) {
String encodings = request.getHeader( "Accept-Encoding ");
return((encodings != null) && (encodings.indexOf( "gzip ") != -1));
}
public static boolean isGzipDisabled (HttpServletRequest request) {
String flag = request.getParameter( "disableGzip ");
return((flag != null) && (!flag.equalsIgnoreCase( "false ")));
}
public static PrintWriter getGzipWriter
(HttpServletResponse response) throws
IOException {
return(new PrintWriter(new GZIPOutputStream(response.getOutputStream())));
}
}这个GzipUtilities.java文件可以编译
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class LongServlet extends HttpServlet
{
public void doGet(HttpServletRequest request,HttpServletResponse response)
throws
ServletException,IOException {
response.setContentType( "text/html ");
PrintWriter out;
if (GzipUtilities.isGzipsupported(request) && (!GzipUtilities.isGzipDisabled(request)))
{
out = GzipUtilities.getGzipWriter(response);
response.setHeader( "Content-Encoding ", "gzip ");
} else {
out = response.getWriter();
}
out.println
( " <HTML> \n " +
" <HEAD> <TITLE> " + "asadzd " + " </TITLE> </HEAD> \n " +
" <BODY BGCOLOR=\ "#FDF5E6\ "> \n " +
" <H1 ALIGN=\ "CENTER\ "> " + "GZIP Data " + " </H1> \n ");
String line = "Blah,blah,blah,blah,blah, " +
"Yadda,Yadda,yadda,yadda. ";
for(int i = 0 ;i <10000;i++) {
out.println(line);
}
out.println( " </BODY> </HTML> ");
out.close();
}
}
这个LongServlet.java文件无法编译了.无法使用GzipUtilities.java的方法,我问我同学,说是要导包,导包后就可以识别GzipUtilities.java的方法,不知道如何导包,我只知道我脑袋急的满头是包.
兄弟请帮帮忙,帮我讲解一下如何正常的编译LongServlet.Java文件,顺便说下导包
我用的是EditPlus
------解决方案--------------------你这是coreservlets第5章的题目。
如果你在C:\Java\coreservlets\ch05\WEB-INF\classes\coreservlets 里面放的这两个文件,只要在两个文件最上方写上
package coreservlets;
就可以了。
如果仍然不能compile, 肯定你的 CLASSPATH 没有设置正确。
在你的CLASSPATH里面一定要加上 C:\Java\coreservlets 路径,也就是你的开发路径。
关于你的设置检查,请查看第2章。
呵呵,我上个星期刚刚看完这一题。