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PrintDataGrid.mxml

<?xml version="1.0"?>
<!-- printing\DGPrintCustomComp.mxml -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" 
    height="450" 
    width="550">

    <mx:Script>
        <![CDATA[
            import mx.printing.FlexPrintJob;
            import MyPrintView;

            public function doPrint():void {
                // Create a FlexPrintJob instance.
                var printJob:FlexPrintJob = new FlexPrintJob();
    
                // Start the print job.
                if(printJob.start()) {
                    // Create a MyPrintView control as a child 
                    // of the current view.
                    var formPrintView:MyPrintView = new MyPrintView();
                    addChild(formPrintView);
    
                    // Populate the print control's contact label 
                    // with the text from the form's name, 
                    // phone, and e-mail controls.
                    formPrintView.contact.text = 
                        "Contact: " + custName.text + "  " +
                        custPhone.text + "  " + custEmail.text;
    
                    // Set the print control's data grid data provider to be 
                    // the displayed data grid's data provider.
                    formPrintView.myDataGrid.dataProvider = 
                        myDataGrid.dataProvider;
    
                    // Add the SimplePrintview control to the print job.
                    // For comparison, try setting the 
                    // second parameter to "none".
                    printJob.addObject(formPrintView);
    
                    // Send the job to the printer.
                    printJob.send();
    
                    // Remove the print-specific control to free memory.
                    removeChild(formPrintView);
                }
            }
        ]]>
    </mx:Script>

    <!-- The form to display-->
    <mx:Form id="myForm">
        <mx:FormHeading label="Contact Information"/>
        <mx:FormItem label="Name: ">
            <mx:TextInput id="custName" 
                width="200" 
                text="Samuel Smith"
                fontWeight="bold"/>
        </mx:FormItem>
        <mx:FormItem label="Phone: ">
            <mx:TextInput id="custPhone" 
                width="200" 
                text="617-555-1212"
                fontWeight="bold"/>
        </mx:FormItem>
        <mx:FormItem label="Email: ">
            <mx:TextInput id="custEmail" 
                width="200" 
                text="sam@sam.com"
                fontWeight="bold"/>
        </mx:FormItem>

        <mx:FormHeading label="Product Information"/>
        <mx:DataGrid id="myDataGrid" width="300">
            <mx:dataProvider>
                <mx:Object Product="Flash" Code="1000"/>
                <mx:Object Product="Flex" Code="2000"/>
                <mx:Object Product="ColdFusion" Code="3000"/>
                <mx:Object Product="JRun" Code="4000"/>
            </mx:dataProvider>
        </mx:DataGrid>
        <mx:Button id="myButton" 
            label="Print" 
            click="doPrint();"/>
    </mx:Form>
</mx:Application>

//////////////////////////////
MyPrintView.mxml

<?xml version="1.0"?>
<!-- printing\myComponents\MyPrintView.mxml -->
<mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml" 
    backgroundColor="#FFFFFF" 
    height="250" width="450" 
    paddingTop="50" paddingLeft="50" paddingRight="50">

    <!-- The controls to print, a label and a PrintDataGrid control. -->
    <mx:Label id="contact"/>
    <mx:PrintDataGrid id="myDataGrid" width="100%">
        <mx:columns>
            <mx:DataGridColumn dataField="Product"/>
            <mx:DataGridColumn dataField="Code"/>
        </mx:columns>
    </mx:PrintDataGrid>
</mx:VBox>

/////////总结/////////////
1. validateNow();//组件立即更新
2.自定义的组件使用就像对象一样 import进来,再新建对象或是用标签

转载于:https://www.cnblogs.com/fishert/archive/2007/03/02/661223.html