flex分页代码

Bertha 。 2022-08-07 02:48 180阅读 0赞

<?xml version="1.0" encoding="utf-8"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" xmlns="\*" layout="absolute" creationComplete="initApp()">

<mx:Script>

<!\[CDATA\[

**public** **var** pageRecordes:uint = 8;

**public** **var** totalPages:uint = 0;

**public** **var** totalRows:uint = 0;

**public** **var** currentPage:uint = 1;

**public** **var** pageStartRow:uint = 1;

**public** **var** pageEndRow:uint = 0;

**public** **function** initApp():**void**\{

txt.text = **"Page "** + currentPage;

totalRows = initDG.length;

**if**(initDG.length > pageRecordes)\{

dg.dataProvider = initDG.slice(0,pageRecordes);

pPage.enabled = **false**;

**if**((totalRows % pageRecordes) == 0)\{

totalPages = Math.floor(totalRows / pageRecordes);

\}**else**\{

totalPages = Math.floor(totalRows / pageRecordes + 1);

**if**(totalRows <= pageRecordes)\{

**this**.pageStartRow = 1;

**this**.pageEndRow = totalRows;

\} **else** \{

**this**.pageStartRow = 1;

**this**.pageEndRow = pageRecordes;

**if**(totalPages == 1)\{

pPage.enabled = **false**;

nPage.enabled = **false**;

**public** **function** showPreviousPage():**void**\{

currentPage = currentPage - 1;

txt.text = **"Page "** + currentPage;

**if**(currentPage == 1)\{

pPage.enabled = **false**;

nPage.enabled = **true**;

\}**else**\{

pPage.enabled = **true**;

nPage.enabled = **true**;

**if** (currentPage == totalPages) \{

pageStartRow = (currentPage - 1) \* pageRecordes + 1;

pageEndRow = totalRows;

\} **else** \{

pageStartRow = (currentPage - 1) \* pageRecordes + 1;

pageEndRow = currentPage \* pageRecordes;

dg.dataProvider = initDG.slice(pageStartRow - 1,pageEndRow);

**public** **function** showNextPage():**void**\{

currentPage = currentPage + 1;

txt.text = **"Page "** + currentPage;

**if**(currentPage == totalPages)\{

nPage.enabled = **false**;

pPage.enabled = **true**;

\}**else**\{

nPage.enabled = **true**;

pPage.enabled = **true**;

**if** (currentPage == totalPages) \{

pageStartRow = (currentPage - 1) \* pageRecordes + 1;

pageEndRow = totalRows;

\} **else** \{

pageStartRow = (currentPage - 1) \* pageRecordes + 1;

pageEndRow = currentPage \* pageRecordes;

dg.dataProvider = initDG.slice((currentPage - 1) \* pageRecordes,pageEndRow);

**public** **function** showFirstPage():**void**\{

dg.dataProvider = initDG.slice(0,pageRecordes);

pPage.enabled = **false**;

nPage.enabled = **true**;

txt.text = **"Page "** + 1;

currentPage = 1;

**public** **function** showLastPage():**void**\{

dg.dataProvider = initDG.slice((totalPages - 1) \* pageRecordes,totalRows);

pPage.enabled = **true**;

nPage.enabled = **false**;

txt.text = **"Page "** + totalPages;

currentPage = totalPages;

\]\]>

</mx:Script>

<mx:Panel title="DataGrid Panel" height="287" width="500">

<mx:DataGrid id="dg" height="100%" width="100%">

<mx:dataProvider>

<mx:Array id="initDG">

<mx:Object PLAYER="Rafer Alston" POS="G" FROM="Fresno State"/>

<mx:Object PLAYER="Luther Head" POS="G" FROM="lllinois"/>

<mx:Object PLAYER="Tracy McGrady" POS="F-G" FROM="Mount Zion Christian Acad. HS (NC)"/>

<mx:Object PLAYER="Dikembe Mutombo" POS="C" FROM="Georgetown"/>

<mx:Object PLAYER="Stromile Swift" POS="F" FROM="Louisiana State"/>

<mx:Object PLAYER="David Wesley" POS="G" FROM="Baylor"/>

<mx:Object PLAYER="Yao Ming" POS="C" FROM="China"/>

<mx:Object PLAYER="Kobe Bryant" POS="G" FROM="Lower Merion HS (PA)"/>

<mx:Object PLAYER="Kwame Brown" POS="F-C" FROM="Glynn Academy HS (GA)"/>

<mx:Object PLAYER="Lamar Odom" POS="F" FROM="Rhode Island"/>

<mx:Object PLAYER="Andrew Bynum" POS="C" FROM="St. Joseph HS (NJ)"/>

<mx:Object PLAYER="Brian Cook" POS="F" FROM="Illinois"/>

<mx:Object PLAYER="Devean George" POS="F" FROM="Augsburg"/>

<mx:Object PLAYER="Devin Green" POS="G" FROM="Hampton"/>

<mx:Object PLAYER="Aaron McKie" POS="F" FROM="Temple"/>

<mx:Object PLAYER="Chris Mihm" POS="C" FROM="Texas"/>

<mx:Object PLAYER="Smush Parker" POS="G" FROM="Fordham"/>

<mx:Object PLAYER="Ronny Turiaf" POS="F" FROM="Gonzaga"/>

<mx:Object PLAYER="Sasha Vujacic" POS="F" FROM="Slovenia"/>

<mx:Object PLAYER="Von Wafer" POS="F" FROM="Florida State"/>

<mx:Object PLAYER="Luke Walton" POS="F" FROM="Arizona"/>

<mx:Object PLAYER="Lamar Odom" POS="F" FROM="Rhode Island"/>

<mx:Object PLAYER="Jim Jackson" POS="F-G" FROM="Ohio State"/>

</mx:Array>

</mx:dataProvider>

</mx:DataGrid>

<mx:Spacer />

<mx:HBox width="391">

<mx:Spacer />

<mx:LinkBar borderStyle="solid" color="\#000000" backgroundColor="\#CCFFFF" id="fPage" label="firstPage" itemClick="showFirstPage()">

<mx:dataProvider>

<mx:Array>

<mx:String>firstPage</mx:String>

</mx:Array>

</mx:dataProvider>

</mx:LinkBar>

<mx:LinkBar borderStyle="solid" color="\#000000" backgroundColor="\#CCFFFF" id="pPage" label="prevPage" itemClick="showPreviousPage()">

<mx:dataProvider>

<mx:Array>

<mx:String>prePage</mx:String>

</mx:Array>

</mx:dataProvider>

</mx:LinkBar>

<mx:Text id="txt" width="52"/>

<mx:LinkBar borderStyle="solid" color="\#000000" backgroundColor="\#CCFFFF" id="nPage" label="nextPage" itemClick="showNextPage()">

<mx:dataProvider>

<mx:Array>

<mx:String>nextPage</mx:String>

</mx:Array>

</mx:dataProvider>

</mx:LinkBar>

<mx:LinkBar borderStyle="solid" color="\#000000" backgroundColor="\#CCFFFF" id="lPage" label="lastPage" itemClick="showLastPage()">

<mx:dataProvider>

<mx:Array>

<mx:String>lastPage</mx:String>

</mx:Array>

</mx:dataProvider>

</mx:LinkBar>

</mx:HBox>

<mx:Spacer />

</mx:Panel>

</mx:Application>

flex分页代码

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