?? loginservlet.java~9~
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package bookservlets;import javax.servlet.*;import javax.servlet.http.*;import java.io.*;import java.util.*;import bookutil.DataDo;public class LoginServlet extends HttpServlet { private static final String CONTENT_TYPE = "text/html; charset=Big5"; //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); PrintWriter out = response.getWriter(); String var0 = request.getParameter("master_name").trim(); String var1 = request.getParameter("master_psw").trim(); var0 = var0.replaceAll("'","''"); if (var1 == null || var0 == null || var0.length() == 0 || var1.length() == 0) { out.println("<script>window.alert(\"Please Enter Your Login Name And Password !\");</script>"); out.println("<script>window.location=\"manage/masterlogin.jsp\"</script>"); return; } ArrayList alist = null; ArrayList inlist = null; DataDo db = new DataDo(); alist = db.dataQuery("select * from masterlg where master_name='"+var0+"'",5,"1"); System.out.println("---------------alist:"+alist.size()); inlist = (ArrayList)alist.get(0); db.dataClose(); if (inlist.get(db.getColumn("master_psw")).equals(var1)) { Cookie ck = new Cookie("master",var0); response.addCookie(ck); response.sendRedirect("manage/manage.jsp"); return; } else { out.println("<script>window.alert(\"Login Fail !\");</script>"); out.println("<script>window.location=manage/masterlogin.jsp</script>"); return; } } //Process the HTTP Post request public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } //Clean up resources public void destroy() { }}?? 快捷鍵說明
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