[英]displaying data of datatable column
I am using the jQuery DataTables plugin on a JSF <h:dataTable>
. 我在JSF
<h:dataTable>
上使用jQuery DataTables插件 。 In this page I have 86 records. 在此页面中,我有86条记录。
+++++++++++++++++++++++++++++++++++++
+ SN. + Name + Email +
+++++++++++++++++++++++++++++++++++++
+ 1 + Name 1 + Email 1 +
+ 2 + Name 2 + Email 2 +
+ 3 + Name 3 + Email 3 +
+........
+ 4 + Name 4 + Email 4 +
+++++++++++++++++++++++++++++++++++++
+ 1.2.3.4..... Next +
+++++++++++++++++++++++++++++++++++++
What I want is display the second column data in alert format ie display names that will be there on datable. 我想要的是以警报格式显示第二列数据,即显示将在datable上显示的名称。 I have 5 set of records per table.
每个表有5组记录。 SO when I click 1, I should get alert of first 5 records.
因此,当我单击1时,我应该收到前5条记录的警报。 Once I click 2, I should get names of 6-10 records.
单击2后,我应该得到6-10条记录的名称。
I tried using fnPagingInfo
from this link , but this don't give the info that I am looking for (it gives page number, total page numbers, etc) . 我尝试通过此链接使用
fnPagingInfo
,但这没有提供我要查找的信息(它提供了页码,总页码等)。
Any idea to get this done? 有什么想法可以完成吗?
I tried with below. 我尝试了以下。
var cells = [];
var rows = $("#userList").dataTable().fnGetNodes();
for(var i=0;i < rows.length;i++)
{
cells.push($(rows[i]).find("td:eq(0)").html());
}
alert(cells);
This gives me alert as Name 1, Name 2, Name 3, ...
这给我警报,
Name 1, Name 2, Name 3, ...
This works perfectly, but the problem occurs when I sort the data... :( 这可以正常工作,但是当我对数据进行排序时会出现问题... :(
When I sort the data (sort the serial number as 4,3,2,1), I still get alert as Name 1, Name 2, Name 3, ...
. 当我对数据进行排序(将序列号排序为4,3,2,1)时,仍然会收到警报,
Name 1, Name 2, Name 3, ...
Alert should say Name 4, Name 3, Name 2, ...
. 警报应显示
Name 4, Name 3, Name 2, ...
Same is happening with below code also. 下面的代码也发生了同样的情况。
var secondCellArray = [];
$.each(oTable.fnGetData(), function(i, row) {
secondCellArray.push(row[0]);
});
Well, this is what I did... 好吧,这就是我所做的...
<script type="text/javascript">
$(document).ready(function(){
var currData = [];
var myFinalString = "";
$('#userList').dataTable( {
"bPaginate": true,
"bSort": true,
"sPaginationType": "full_numbers",
"bJQueryUI": true,
"bRetrieve": true,
"fnPreDrawCallback": function(oSettings) {
/* reset currData before each draw*/
currData = [];
myFinalString= "";
},
"fnRowCallback": function(nRow, aData, iDisplayIndex, iDisplayIndexFull) {
/* push this row of data to currData array*/
currData.push(aData);
myFinalString = myFinalString + aData + "xxxyyyzzz";
},
"fnDrawCallback": function () {
var myTextBox2 = document.getElementById('myHiddenValForId');
myTextBox2.value = myFinalString;
myTextBox2.onchange();
var myTextBox = document.getElementById('myHiddenValForInc');
myTextBox.value = this.fnPagingInfo().iStart + "," + this.fnPagingInfo().iEnd;
myTextBox.onchange();
var cells = [];
var cells2 = [];
oTable = $('#userList').dataTable();
var rows = $("#userList").dataTable().fnGetNodes();
for(var i=0;i < rows.length;i++) {
var data = oTable.fnGetData( i,0 );
cells.push($(rows[i]).find("td:eq(0)").html());
cells2.push(data);
}
var secondCellArray = [];
$.each(oTable.fnGetData(), function(i, row) {
secondCellArray.push(row[0]);
});
}
});
});
$.fn.dataTableExt.oApi.fnPagingInfo = function ( oSettings )
{
return {
"iStart": oSettings._iDisplayStart,
"iEnd": oSettings.fnDisplayEnd(),
"iLength": oSettings._iDisplayLength,
"iTotal": oSettings.fnRecordsTotal(),
"iFilteredTotal": oSettings.fnRecordsDisplay(),
"iPage": oSettings._iDisplayLength === -1 ?
0 : Math.ceil( oSettings._iDisplayStart / oSettings._iDisplayLength ),
"iTotalPages": oSettings._iDisplayLength === -1 ?
0 : Math.ceil( oSettings.fnRecordsDisplay() / oSettings._iDisplayLength )
};
};
</script>
Pass those values through f:ajax
通过
f:ajax
传递这些值
<h:form prependId="false">
<h:inputText id="myHiddenValForInc" value="#{SearchBean.hiddenVal001}" style="display: none;">
<f:ajax listener="#{SearchBean.printMyHiddenDetails()}" event="valueChange" />
</h:inputText>
<h:inputText id="myHiddenValForId" value="#{SearchBean.hiddenVal002}" style="display: none;" >
<f:ajax listener="#{SearchBean.printMyHiddenDetails2()}" event="valueChange" />
</h:inputText>
</h:form>
`printMyHiddenDetails()` have all stuff for finding names & `printMyHiddenDetails2()` don't have any code
public void printMyHiddenDetails() {
// my code
}
public void printMyHiddenDetails2() {
// noting here... this is just for passing data...
}
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