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JSP page can not refresh, prevent the problem of refreshing summary __jsp

Source: Internet
Author: User
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JSP summary of issues in which pages cannot be refreshed or prevented from refreshing

<1> If you want the form to refresh when you select, delete, modify, and so on, you need to add: window.returnvalue=0.

such as leadership/leader_ctl.jsp

<body leftmargin= "0" topmargin= "0" >

<%@ page contenttype= "text/html; charset=gb2312 "language=" java "import=" java.sql.* "errorpage=" "%>"

<%@ page import= "leader.*"%>

<%

Leaderbean leader=New Leaderbean ();

String struserid=request.getparameter ("Key");

Session.setattribute ("Employuserid", strUserID);

System.out.println ("strUserID:" +struserid);

if (leader. Postedit (Request)) {

System.out.println ("Me5");

Out.println ("<script>window.returnvalue=0;window.close ();</script>");

return;

}

Else {

if (Request.getparameter ("Oper")!=null) {

if (Request.getparameter ("Oper"). Equals ("Delleader")) {

Out.println ("<script>alert" ("+leader"). lastopermsg+ "');window.returnvalue=0;</script>");

Return

}

if (Request.getparameter ("Oper"). Equals ("Setleader")) {

System.out.println ("Me3");

Out.println ("<script>alert" ("+leader"). lastopermsg+ "'); Window.returnvalue=0;window.close ();</script>");

System.out.println ("Me4");

Return

}

if (Request.getparameter ("Oper"). Equals ("Delcompetence")) {

System.out.println ("strUserID:" +struserid);

Out.println ("<script>alert" ("+leader"). lastopermsg+ "'); History.back ();</script>");

System.out.println ("Me4");

Return

}

if (Request.getparameter ("Oper"). Equals ("Addcompetence")) {

System.out.println ("AddCompetence1");

Out.println ("<script>alert" ("+leader"). lastopermsg+ "'); History.back ();</script>");

System.out.println ("AddCompetence2");

Return

}

Else {

if (Request.getparameter ("Oper"). Equals ("QX")) {

Out.println ("<script>alert" ("+leader"). lastopermsg+ "'); Window.returnvalue=0;window.close ();</script>");

Return

}

Else {

System.out.println ("Me6");

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Related Keywords:
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