?? user_password.java
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/*
* user_password.java 用戶密碼修改頁面
*
* Created on 2007年5月23日, 下午7:09
*/
import java.io.*;
import java.net.*;
import java.sql.*;
import javax.sql.*;
import inc.condb;
import javax.servlet.*;
import javax.servlet.http.*;
public class user_password
extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException,
IOException {
request.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
HttpSession session = request.getSession();
String username = (String) session.getAttribute("username");
String poste = request.getParameter("poste");
if (username == null) {
response.sendRedirect("index.html");
return;
}
try {
ResultSet rs = null;
condb conn = new condb();
if (null == poste || !"xiugai".equals(poste)) {
String sql = "select * from userinfo where username='" + username +"'";
rs = conn.executeQuery(sql);
rs.next();
out.println("\r\n");
out.println("<html>\r\n");
out.println("<head>\r\n");
out.println("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\" /><style type=\"text/css\">\r\n");
out.println("<!--\r\n");
out.println("body,td,th {\r\n");
out.println("\tfont-size: 12px;\r\n");
out.println("}\r\n");
out.println("-->\r\n");
out.println("</style></head>\r\n");
out.println("<script>\r\n");
out.println("function yanzheng()/*驗證函數*/ \r\n");
out.println("{ \r\n");
out.println(
"if(document.form1.oldmima.value==\"\")/*驗證原始密碼是否為空*/ \r\n");
out.println("{ \r\n");
out.println("alert(\"請輸入原始密碼\"); \r\n");
out.println("document.form1.oldmima.focus(); \r\n");
out.println("return false; \r\n");
out.println("exit;\r\n");
out.println("}\r\n");
out.println(
" if(document.form1.newmima.value==\"\")/*驗證密碼是否為空*/ \r\n");
out.println("{ \r\n");
out.println("alert(\"請輸入新密碼\"); \r\n");
out.println("document.form1.newmima.focus(); \r\n");
out.println("return false; \r\n");
out.println("exit;\r\n");
out.println("}\r\n");
out.println(
"if(document.form1.newmima1.value==\"\")/*驗證密碼是否為空*/ \r\n");
out.println("{ \r\n");
out.println("alert(\"請再輸入一次新密碼\"); \r\n");
out.println("document.form1.newmima1.focus(); \r\n");
out.println("return false; \r\n");
out.println("exit;\r\n");
out.println("}\r\n");
out.println("if(document.form1.newmima.value!=document.form1.newmima1.value)/*驗證二次密碼是否相等*/ \r\n");
out.println("{ \r\n");
out.println("alert(\"兩次密碼不相等，請重新輸入\"); \r\n");
out.println("document.form1.newmima1.focus(); \r\n");
out.println("return false; \r\n");
out.println("exit;\r\n");
out.println("}\r\n");
out.println("\r\n");
out.println("else \r\n");
out.println("{ \r\n");
out.println("return true; \r\n");
out.println("} \r\n");
out.println("} \r\n");
out.println("</script>\r\n");
out.println("<body>\r\n");
out.println("<div align=\"center\">\r\n");
out.println("<form action=\"user_password.do?poste=xiugai\" method=\"post\" name=\"form1\" onSubmit=\"return yanzheng();\">\r\n");
out.println(
"<table width=\"70%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\r\n");
out.println(" <tr>\r\n");
out.println(
" <td width=\"120\" height=\"20\" align=\"right\"></td>\r\n");
out.println(" <td>用戶密碼修改</td>\r\n");
out.println(" </tr>\r\n");
out.println(" <tr>\r\n");
out.println(
" <td width=\"120\" height=\"25\" align=\"right\">原始密碼:</td>\r\n");
out.println(" <td>\r\n");
out.println(
" <input type=\"password\" name=\"oldmima\" />\r\n");
out.println(" </td>\r\n");
out.println(" </tr>\r\n");
out.println(" <tr>\r\n");
out.println(" <td height=\"25\" align=\"right\">新密碼:</td>\r\n");
out.println(
" <td><input type=\"password\" name=\"newmima\" /></td>\r\n");
out.println(" </tr>\r\n");
out.println(" <tr>\r\n");
out.println(
" <td height=\"25\" align=\"right\">再輸入一次新密碼:</td>\r\n");
out.println(
" <td><input type=\"password\" name=\"newmima1\" /></td>\r\n");
out.println(" </tr>\r\n");
out.println(" <tr>\r\n");
out.println(" <td> </td>\r\n");
out.println(" <td>\r\n");
out.println(
" <input type=\"submit\" name=\"Submit\" value=\"確定\" />\r\n");
out.println("\t \r\n");
out.println(
"\t <input type=\"reset\" name=\"Submit\" value=\"重置\" />\r\n");
out.println(" </td>\r\n");
out.println(" </tr>\r\n");
out.println("</table>\r\n");
out.println("</form>\r\n");
out.println("</div>\r\n");
out.println("</body>\r\n");
out.println("</html>\r\n");
}
else {
String oldmima = request.getParameter("oldmima");
String newmima = request.getParameter("newmima");
String newmima1 = request.getParameter("newmima1");
String firstsql = "select * from userinfo where username='" + username +"'";
//有些東西，淡淡的，但是卻存在
rs = conn.executeQuery(firstsql);
rs.next();
if (!oldmima.equals(rs.getString("userpassword"))) {//判斷原始密碼是否正確
out.println("<script>\r\n");
out.println("{ \r\n");
out.println("alert(\"你輸入的原始密碼不正確，如果忘記密碼，請與管理員聯系\"); \r\n");
out.println(
"window.document.location.href=\"user_password.do\";\r\n");
out.println("}\r\n");
out.println("</script>");
}
else {
String upsql = "UPDATE userInfo SET userPassword='" + newmima1 +
"' WHERE username='" + username + "'";
conn.executeUpdate(upsql);
out.println("<script>\r\n");
out.println("{ \r\n");
out.println("alert(\"恭喜你，修改成功\"); \r\n");
out.println("window.document.location.href=\"user_password.do\";\r\n");
out.println("}\r\n");
out.println("</script>");
//response.sendRedirect("user_infor.do");
return;
}
}
}
catch (SQLException e) {
}
}
public void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException,
IOException {
doGet(request, response);
}
}
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