This is a simple image upload program, you can upload the local image online, and then write a load to show the uploaded image function
Note:
Up_name: A dynamic text box that displays the file name of a selected picture
Liulan: For the "Browse" button, click on it will pop-up browse box, select the picture to upload
Shangchuan: For the "Upload" button, click on it will upload the selected pictures
Loading: For dynamic text boxes, to display upload progress percentages and upload success information, etc.
Put these components all in one MC and bind the following class to this MC
| The code is as follows |
Copy Code |
| Package {
Import flash.display.*;
Import Flash.text.TextField;
Import flash.events.*;
Import flash.system.*;
Import Flash.net.URLRequest; Upload class
Import flash.net.FileReference;
File Type Filter class
Import Flash.net.FileFilter;
public class Shangchuanlan extends Sprite {
Create an Upload class
public var fileref:filereference=new filereference ();
Public Function Shangchuanlan () {
Liulan.buttonmode=true;
Shangchuan.buttonmode=true;
Events when clicking the browse button
Liulan.addeventlistener (Mouseevent.click,click_liulan);
Click the Upload button when the event
Shangchuan.addeventlistener (Mouseevent.click,up_load);
}
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Private Function Click_liulan (e:mouseevent): void {
Set File type
var imagetypes:filefilter=new filefilter ("Images (*.jpg, *.jpeg, *.gif)", "*.jpg;, *.jpeg;, *.gif;");
Put the desired file type into an array because the arguments in the following browse are arrays
var alltypes:array=new Array (imagetypes);
Pop-up box, the file type is in the Alltypes array.
Fileref.browse (alltypes);
When you click Open in the pop-up box, perform the Up_select function
Fileref.addeventlistener (Event.select,up_select);
Upload or download after completion of event, execute Up_complete
Fileref.addeventlistener (Event.complete,up_complete);
After successfully uploading and receiving data from the server
Fileref.addeventlistener (Dataevent.upload_complete_data,up_complete_data);
Execute at start of upload or download
Fileref.addeventlistener (Event.open,up_open);
Execute during upload or download
Fileref.addeventlistener (progressevent.progress,up_progress);
}
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The following are the functions that are executed when each event
Private Function Up_select (e:event): void {
Displays the file name of the selected file (the FileRef Name property) in the text box
Up_name.text=fileref.name;
}
Private Function Up_load (e:mouseevent): void {
Get the type of file
var Filetype:string=fileref.type;
Get the size of a file
var filesize:number=fileref.size;
Trace ("Type:" +filetype, "Size:" +filesize);
Connect Interface Web page
var loadurl:string= "http://www.xxx.com/xxx.asp";
var uploadurl:urlrequest = new URLRequest (Loadurl);
Send a file to a Web page with the upload event, syntax upload (URL, filename)
Fileref.upload (Uploadurl,fileref.name);
Trace (Uploadurl.url);
}
Private Function Up_complete (e:event): void {
Display information for the sender of the directive
Trace ("Completehandler:" + e);
loading.text= "Upload success!"
}
Private Function Up_complete_data (e:event): void {
Displays the message of the sender of the instruction, that is, the return information of the received page, which has the path of the file after the upload
Trace ("Uploadcompletedatahandler:" +e);
} |
