Real-time retrieval of database record status using Ajax

Last Update:2018-12-05 Source: Internet

Author: User

Tags billing cycle

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Browsed JSP code

<% @ Page Language = "Java" contenttype = "text/html; charset = UTF-8" %>
<% @ Include file = "../common/newtag. jsp" %>
<% @ Page import = "Java. util. Calendar" %>
<% @ Page import = "Java. util. Date" %>
<% @ Page import = "Java. util. List" %>
<% @ Page import = "Java. util. arraylist" %>
<% @ Page import = "Java. util. Map" %>
<% @ Page import = "com. database. Operate. datamanagefactory" %>
<% @ Page import = "com. database. SQL. classtype" %>
<% @ Page import = "com. datacollect. floatreportvo" %>
<%
String excelnameschecked = request. getparameter ("excelname ");
List exclenamescheckedlist = new arraylist ();
If (excelnameschecked! = NULL &&! "". Equals (excelnameschecked )){
String [] excelnamescheckedarray = excelnameschecked. Split (",");
For (INT I = 0; I <excelnamescheckedarray. length; I ++ ){
Exclenamescheckedlist. Add (excelnamescheckedarray [I]);
}
}

List excelnames = NULL;
String pyear = request. getparameter ("year ");
String pmonth = request. getparameter ("month ");
If (pyear! = NULL & pmonth! = NULL)
Try {
Excelnames = datamanagefactory. getoperater (). Query (classtype. reportmanage, "query_zd_falldata_reports", null );
} Catch (exception e ){}
%>
<! Doctype HTML public "-// W3C // dtd xhtml 1.0 transitional // en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<HTML xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Title> right </title>
<Link href = "<% = request. getcontextpath () %>/CSS/main.css" rel = "stylesheet" type = "text/CSS"/>
<Link href = "<% = request. getcontextpath () %>/JS/datejs/calendar.css" rel = "stylesheet" type = "text/CSS"/>
</Head>
<Body onload = "getdcstatusbyexcelnames ();">
<Table Style = "border: # d7d7d7 solid 1px" Height = "100%" width = "100%" border = "0" cellspacing = "0" cellpadding = "0">
<Tr>
<TD Height = "18">
<Div style = "Background: URL (../c_img/win_bg.jpg); Height: 18px;
Border-bottom: #999 solid 1px; margin: auto 0 ">
<Span style = "float: Left; margin-left: 5px; color: #545487; font-weight: bold; margin-top: 2px; padding: 0px; display: block "> report list </span>
<Span style = "float: Right; color: #545487; font-weight: bold; margin-Right: 5px; margin-top: 4px; margin-top: 2px; padding: 0px; display: block; font-size: 0.7em; font-size: 0.9em; cursor: Pointer "> </span>
</Div>

</TD>
</Tr>
<Tr Height = "20">
<TD>
<Div class = "tools_div">
<Ul class = "in all H">
Billing Cycle selection:
<Select id = "year">
<%
Calendar c = calendar. getinstance ();
Date curdate = new date ();
C. settime (curdate );
Int now = C. Get (calendar. year );
Int month = C. Get (calendar. month );
Int startyear = now-5;
Int maxyear = now + 10;
Int yearint = now; int monthint = month;
If (pyear! = NULL) {yearint = integer. parseint (pyear );}
If (pmonth! = NULL) {monthint = integer. parseint (pmonth. substring (0, 1). Equals ("0 ")? Pmonth. substring (1): pmonth );}
For (INT I = startyear; I <= maxyear; I ++) {%>
<Option value = "<% = I %>" <% if (I = yearint) {out. print ("selected") ;}%><%= I %> </option>
<% }%>
</SELECT>
Year
<Select id = "month">
<% For (INT I = 1; I <10; I ++) {%>
<Option <% if (I = monthint) {out. print ("selected") ;}%> value = "<% =" 0 "+ I %>"> <% = "0" + I %> </option>
<% }%>
<% For (INT I = 10; I <13; I ++) {%>
<Option <% if (I = monthint) {out. print ("selected") ;}%> value = "<%= I %>" ><%= I %> </option>
<% }%>
</SELECT>
Month
</Ul>
<Ul class = "in OK H">
<Li> <span onclick = "OpenWindow ()"> OK </span> </LI>
</Ul>
</Div>
</TD>
</Tr>
<Tr>
<TD id = "main_td" width = "100%" Height = "85%">
<Div style = "width: 100%; Height: 100%; overflow: Auto">
<Table id = "" class = "table_style tr_h" border = "0" cellspacing = "0" cellpadding = "0">
<Colgroup>
<Col class = "vzebra-one" width = "20px"/>
<Col class = "vzebra-odd"/>
<Col class = "vzebra-one" width = "20px"/>
</Colgroup>
<Tr>
<TD> </TD>
<TD> report name </TD>
<TD> drilling </TD>
<TD> Status </TD>
</Tr>
<%
If (excelnames! = NULL ){
Int rownumber = 1;
For (INT I = 0; I <excelnames. Size (); I ++ ){
Map excelnamesmap = (MAP) excelnames. Get (I );
%>
<Tr>
<TD> <input type = "checkbox" name = "tablenamecheckbox" tablename = "<% = excelnamesmap. get ("excel_name") %> "<% = exclenamescheckedlist. contains (string) excelnamesmap. get ("excel_name "))? "Checked = 'checked'": "" % >></TD>
<TD> <a href = "#" onclick = "changed ('<% = excelnamesmap. get ("excel_name") %> '); "> <% = excelnamesmap. get ("excel_name") %> </a> </TD>
<TD> 0 </TD>
<%
String dcstatus = (string) excelnamesmap. Get ("collect_status ");
If ("0". Equals (dcstatus )){
Dcstatus = "<font color = \" # ff9900 \ "> not executed </font> ";
}
If ("1". Equals (dcstatus )){
Dcstatus = "<font color = \" #33cc00 \ "> summary successful </font> ";
}
If ("2". Equals (dcstatus )){
Dcstatus = "<font color = \" # ff0000 \ "> summary failed </font> ";
}
%>
<TD> <Div id = "<% = excelnamesmap. Get (" excel_name ") %>"> 123 </div> </TD>
</Tr>
<%
}
}
%>

</Table>
</Div>
</TD>
</Tr>
<Tr Height = "30px">
<TD style = "Background: # e4e4ec;">
<SPAN class = "tools_div">
<Ul onclick = "selectall ()" style = "cursor: Hand">
<% -- <Li> <span> select all </span> </LI> -- %>
<Span> </span>
</Ul>
<Ul onclick = "invertselect ()" style = "cursor: Hand">
<% -- <Li> <span> reselect </span> </LI> -- %>
<Span> </span>
</Ul>
<Ul style = "cursor: Hand">
<Span> <input type = "button" value = "" onclick = "collect ()" style = "height: 25px;"/> </span>
<Ul>
</Span>
</TD>
</Tr>
</Table>
</Body>
<Script language = "JavaScript">
Function OpenWindow (){
VaR month = Document. getelementbyid ('month'). value;
If (month = NULL ){
Month = "<% = pmonth %> ";
}
VaR year = Document. getelementbyid ('Year'). value;
If (year = NULL ){
Year = "<% = pyear %> ";
}
Window. Location. href = './datacollectleft. jsp? Year = '+ year +' & month = '+ month;
}
Function collect (){
VaR tablenames = [];
VaR CHS = Document. getelementsbyname ("tablenamecheckbox ");
VaR Len = CHS. length;
VaR I = 0;
For (I = 0; I <Len; I ++ ){
If (CHS [I]. Checked ){
Tablenames. Push (CHS [I]. tablename );
}
}
If (tablenames. Length = 0 ){
Alert ("Select Report ");
Return;
}
VaR repnames = tablenames. Join (',');
If (confirm ("are you sure you want to summarize the selected reports? "))
Window. Location. href = 'collectdata. jsp? Year = <% = pyear %> & month = <% = pmonth %> & excelname = '+ repnames;
Alert ("1-3 minutes for summary calculation ");
Window. Location. href = 'datacollectleft. jsp? Year = <% = pyear %> & month = <% = pmonth %> & excelname = '+ repnames;
}
Function changed (rptname ){
VaR commend = rptname;
Parent. ed_main.location = "datacollectmain. jsp? Excelname = "+ commend +" & year = <% = pyear %> & month = <% = pmonth %> ";
}
Function selectall (){
VaR CHS = Document. getelementsbyname ("tablenamecheckbox ");
VaR Len = CHS. length;
VaR I = 0;
For (I = 0; I <Len; I ++ ){
CHS [I]. Checked = true;
}
}

Function invertselect (){
VaR CHS = Document. getelementsbyname ("tablenamecheckbox ");
VaR Len = CHS. length;
VaR I = 0;
For (I = 0; I <Len; I ++ ){
CHS [I]. Checked =! (CHS [I]. Checked );
}
}
Function go (name, year, month, org ){
// Alert (name );
Parent. ed_main.location = "fetchmain. jsp? Name = "+ name +" & year = "+ year +" & month = "+ month +" & ORG = "+ org;
Parent. ed_banner.location = "fetchtop. jsp? Name = "+ name +" & year = "+ year +" & month = "+ month +" & ORG = "+ org;
}

// Create an Ajax object
VaR Ajax = new function ()
{
This. _ url = "./dcstatus. jsp ";

// Create an XMLHTTPRequest object
This. createxmlhttp = function (){
VaR XMLHTTP = NULL;
// Use different creation methods based on whether the window. XMLHTTPRequest object exists
If (window. XMLHttpRequest ){
XMLHTTP = new XMLHttpRequest ();
} Else if (window. activexobject ){
XMLHTTP = new activexobject ("Microsoft. XMLHTTP ");
} Else if (window. activexobject ){
XMLHTTP = new activexobject ("msxml2.xmlhttp. 4.0 ");
} Else if (window. activexobject ){
XMLHTTP = new activexobject ("msxml2.xmlhttp ");
}
Return XMLHTTP;
}

// Obtain the summary status
This. getcdstatus = function (exclename)
{
VaR bbname = exclename;
VaR XMLHTTP = This. createxmlhttp (); // create an XMLHTTPRequest object
XMLHTTP. onreadystatechange = function ()
{
If (XMLHTTP. readystate = 4)
{
If (XMLHTTP. Status = 200 ){
VaR xmldoc = XMLHTTP. responsexml;
VaR node = xmldoc. getelementsbytagname ("dcstatus ");
Document. getelementbyid (exclename). innerhtml = node (0). firstchild. nodevalue; // get the XML response
SetTimeout ("Ajax. getcdstatus ('" + exclename + "')", "5000"); // query once every 5 seconds
} Else {
Alert ("server fault ");
}
}
}

VaR url = This. _ URL + "? Exclename = "+ exclename;
XMLHTTP. Open ("get", encodeuri (URL), true );
XMLHTTP. Send (null );
}
}

// Obtain the summary status based on the selected report.
Function getdcstatusbyexcelnames (){
VaR tablenames = [];
VaR CHS = Document. getelementsbyname ("tablenamecheckbox ");
VaR Len = CHS. length;
VaR I = 0;
For (I = 0; I <Len; I ++ ){
If (CHS [I]. Checked ){
Tablenames. Push (CHS [I]. tablename );
}
}

<%
If (excelnameschecked! = NULL &&! "". Equals (excelnameschecked )){
%>
Tablenamestr = "<% = excelnameschecked %> ";
Tablenames = tablenamestr. Split (",");
<%
}
%>

For (I = 0; I <tablenames. length; I ++ ){
Ajax. getcdstatus (tablenames [I]);
}
}
</SCRIPT>
</Html>

Search the database and generate the xml jsp code

<% @ Page Language = "Java" contenttype = "text/html; charset = UTF-8" %>
<% @ Page import = "com. datacollect. floatreportvo" %>
<%
String exclename = request. getparameter ("exclename ");
Floatreportvo frvo = new floatreportvo (exclename );
String dcstatus = frvo. getcollect_status ();
If ("0". Equals (dcstatus )){
Dcstatus = "<font color = \" # ff9900 \ "> not executed </font> ";
}
If ("1". Equals (dcstatus )){
Dcstatus = "<font color = \" #33cc00 \ "> summary successful </font> ";
}
If ("2". Equals (dcstatus )){
Dcstatus = "<font color = \" # ff0000 \ "> summary failed </font> ";
}
Response. setcontenttype ("text/XML; charset = UTF-8 ");
Response. setheader ("cache-control", "No-Cache ");
Stringbuffer sb = new stringbuffer ();
SB. append ("<? XML version = \ "1.0 \" encoding = \ "UTF-8 \"?> ");
SB. append ("<dcstatus> ");
SB. append ("<! [CDATA [");
SB. append (dcstatus );
SB. append ("]> ");
SB. append ("</dcstatus> ");
Response. getwriter (). Write (sb. tostring ());
%>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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