Php FlexDataGrid未更新
问题是: 我有一个有3个索引的手风琴,每个索引包含一个组件。该组件始终是同一个组件(普通数据网格)。这个datagrid通过php和JSON接收他的数据 现在,当我的accordeon的SelectedIndex更改时,我的datagrid中的数据应该更改 这是php查询:Php FlexDataGrid未更新,php,json,actionscript-3,apache-flex,flex4.6,Php,Json,Actionscript 3,Apache Flex,Flex4.6,问题是: 我有一个有3个索引的手风琴,每个索引包含一个组件。该组件始终是同一个组件(普通数据网格)。这个datagrid通过php和JSON接收他的数据 现在,当我的accordeon的SelectedIndex更改时,我的datagrid中的数据应该更改 这是php查询: $query = "SELECT * FROM gerecht where typeID = " . $typeId; 其中,$typeId是所选的索引 if(isset($_POST['accIndex'])){
$query = "SELECT * FROM gerecht where typeID = " . $typeId;
其中,$typeId
是所选的索引
if(isset($_POST['accIndex'])){
$typeId = mysql_real_escape_string($_POST['accIndex']);
} else {
$typeId = 1;
}
现在,每当我更改accordio索引时,数据都保持不变。以下是我的flex代码:
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600" xmlns:components="components.*" initialize="getData.send();">
<fx:Declarations>
<!-- Place non-visual elements (e.g., services, value objects) here -->
<mx:HTTPService id="getData" url="http://localhost/P006_Project/Query.php"
useProxy="false" method="POST" resultFormat="text" result="getPHPData(event)" />
<mx:HTTPService id="sendData" url="http://localhost/P006_Project/Query.php"
useProxy="false" method="POST" result="sendData_resultHandler(event)">
<mx:request xmlns="">
<accIndex>
{accItems.selectedIndex + 1}
</accIndex>
</mx:request>
</mx:HTTPService>
<s:ArrayCollection id="acItems" source="{dataArray.source}" />
</fx:Declarations>
<fx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.controls.Alert;
import mx.controls.Text;
import mx.events.FlexEvent;
import mx.events.IndexChangedEvent;
import mx.rpc.events.ResultEvent;
[Bindable]private var dataArray:ArrayCollection = new ArrayCollection();
private function initDataGrid():void
{
getData.send();
}
private function getPHPData(event:ResultEvent):void
{
var rawArray:Array;
var rawData:String = String(event.result);
rawArray = JSON.parse(rawData) as Array;
dataArray = new ArrayCollection(rawArray);
}
protected function accItems_changeHandler(event:IndexChangedEvent):void
{
// TODO Auto-generated method stub
sendData.send();
trace(acItems);
}
protected function sendData_resultHandler(event:ResultEvent):void
{
// TODO Auto-generated method stub
Alert.show(event.result.toString());
}
]]>
</fx:Script>
<mx:Accordion id="accItems" creationPolicy="auto" change="accItems_changeHandler(event)">
<s:NavigatorContent label="Frisdranken">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
<s:NavigatorContent label="Bieren (vat)">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
</mx:Accordion>
</s:Application>
{accItems.selectedIndex+1}
我猜在以下两个方面都出了问题:
-php是否接收所选的索引?
-或者flex无法用新数据更新datagrid?K我终于找到了解决方案。我使用的是2个httpServices,我总是从第一个httpServices接收数据,但这个httpServices不包含参数。所以我把它们合并在一起。产生以下代码:(我还添加了所有其他组件,因此不必关注它们)
{accItems.selectedIndex+1}
K我终于找到了解决办法。我使用的是2个httpServices,我总是从第一个httpServices接收数据,但这个httpServices不包含参数。所以我把它们合并在一起。产生以下代码:(我还添加了所有其他组件,因此不必关注它们)
{accItems.selectedIndex+1}
您是否看到预期值命中“getPHPData”fn?IE'dataArray'包含它应该包含的内容?我的'dataArray'的内容似乎一直保持不变,所以我猜selectedIndex没有到达PHP文件?听起来像这样。因此,下一步是确定值是否被发送。但我没有看到任何参数通过。不确定这是否重要。我添加了一个参数(accIndex)。每次我的手风琴改变索引时,这个应该会被发送。但显然还是有问题。你是如何跟踪“变化指数”的?您正在查看什么事件?您是否看到预期值命中“getPHPData”fn?IE'dataArray'包含它应该包含的内容?我的'dataArray'的内容似乎一直保持不变,所以我猜selectedIndex没有到达PHP文件?听起来像这样。因此,下一步是确定值是否被发送。但我没有看到任何参数通过。不确定这是否重要。我添加了一个参数(accIndex)。每次我的手风琴改变索引时,这个应该会被发送。但显然还是有问题。你是如何跟踪“变化指数”的?你在看什么比赛?
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600" xmlns:components="components.*">
<fx:Declarations>
<!-- Place non-visual elements (e.g., services, value objects) here -->
<mx:HTTPService id="sendData" url="http://localhost/P006_Project/Query.php"
useProxy="false" method="POST" result="sendData_resultHandler(event)">
<mx:request xmlns="">
<accIndex>
{accItems.selectedIndex + 1}
</accIndex>
</mx:request>
</mx:HTTPService>
<s:ArrayCollection id="acItems" source="{dataArray.source}" />
</fx:Declarations>
<fx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.controls.Alert;
import mx.controls.Text;
import mx.events.FlexEvent;
import mx.events.IndexChangedEvent;
import mx.rpc.events.ResultEvent;
[Bindable]private var dataArray:ArrayCollection = new ArrayCollection();
private function initDataGrid():void
{
sendData.send();
}
protected function accItems_changeHandler(event:IndexChangedEvent):void
{
sendData.send();
}
protected function sendData_resultHandler(event:ResultEvent):void
{
var rawArray:Array;
var rawData:String = String(event.result);
rawArray = JSON.parse(rawData) as Array;
dataArray = new ArrayCollection(rawArray);
}
]]>
</fx:Script>
<mx:Accordion id="accItems" creationPolicy="auto" change="accItems_changeHandler(event)">
<s:NavigatorContent label="Frisdranken">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
<s:NavigatorContent label="Bieren (vat)">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
<s:NavigatorContent label="Bieren">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
<s:NavigatorContent label="Warme dranken">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
<s:NavigatorContent label="Wijnen">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
<s:NavigatorContent label="Sterke dranken">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
<s:NavigatorContent label="Tapas">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
<s:NavigatorContent label="Platos">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
<s:NavigatorContent label="Especialidades">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
<s:NavigatorContent label="Bocadillos">
<components:FULLTESTCOMP acItems="{acItems}" creationComplete="{initDataGrid()}"/>
</s:NavigatorContent>
</mx:Accordion>
</s:Application>