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Flex实现简单的Email发送

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  • yexin218
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  • 来自: 珠海
   发表时间：2008-06-14  

 

  本文主要介绍和实现怎么使用Flex-java来实现Email的发送。这尤其是在做用户回馈的时候需要用到。当然这实现的只要是一个简单的例子。正在执行发送Email功能还是使用java来实现的，Flex只不过提供了数据的输入和封装。使用的原理很简单：
Flex-Form <--接受用户输入
   ||
   ||使用RemoteObject方式就用户输入的数据封装成json格式传递到后台java bean
   ||
Java Bean()--->执行真正的Email发送----->回馈消息---->Flex-Form
使用的界面如下图：
简单实现了用户输入的验证以及Email验证(更详细的可以参考Adobe数据验证 )
以下是实现的代码：
1.后台java处理：【你需要两个jar: mail.jar and activation.jar 】
package mail;
import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

public class SendFlexMail {
     private static final String SMTP_HOST_NAME = "smtp.163.com";
     private static final String SMTP_AUTH_USER = "feixianryexin";
     private static final String SMTP_AUTH_PWD = "yourpassword";

     // Add List of Email address to who email needs to be sent to

     private String[] emailList;
      public String sendFlexMail(String flexMail){
         String result="";
         JSONArray flexJavaMail = JSONArray.fromObject(flexMail);
         emailList = new String[2];
         JSONObject mailJsonObj = JSONObject.fromObject(flexJavaMail.getString(0));
         emailList[0] = mailJsonObj.getString("senderEmail");//send mail to yourself

         emailList[1] = mailJsonObj.getString("sendToEmail");
         String senderName = mailJsonObj.getString("senderName");
         String sendToName = mailJsonObj.getString("sendToName");
         String senderMail = mailJsonObj.getString("senderEmail");
         String emailMessage = mailJsonObj.getString("emailMessage");
         String emailTopic = sendToName+":A Letter From Your Friend "+senderName;
         try{
         postMail(emailList,emailTopic, emailMessage,senderMail);
         result="Congratulations!";
         }catch (MessagingException e){
             e.printStackTrace();
         }
         return result;
      }
     public void postMail( String recipients[ ], String subject,
     String message , String from) throws MessagingException
     {
     boolean debug = false;

     //Set the host smtp address

     Properties props = new Properties();
     props.put("mail.smtp.host", SMTP_HOST_NAME);
     props.put("mail.smtp.auth", "true");

     Authenticator auth = new SMTPAuthenticator();
     Session session = Session.getDefaultInstance(props, auth);

     session.setDebug(debug);

     // create a message

     Message msg = new MimeMessage(session);

     // set the from and to address

     InternetAddress addressFrom = new InternetAddress(from);
     msg.setFrom(addressFrom);

     InternetAddress[] addressTo = new InternetAddress[recipients.length];
     for (int i = 0; i < recipients.length; i++)
     {
     addressTo[i] = new InternetAddress(recipients[i]);
     }
     msg.setRecipients(Message.RecipientType.TO, addressTo);


     // Setting the Subject and Content Type

     msg.setSubject(subject);
     msg.setContent(message, "text/plain");
     Transport.send(msg);
     }


    /**
    * SimpleAuthenticator is used to do simple authentication
    * when the SMTP server requires it.
    */
    private class SMTPAuthenticator extends javax.mail.Authenticator
    {

     public PasswordAuthentication getPasswordAuthentication()
     {
     String username = SMTP_AUTH_USER;
     String password = SMTP_AUTH_PWD;
     return new PasswordAuthentication(username, password);
     }
    }

}
 2.前台的Flex-Form：
   
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" viewSourceURL="srcview/index.html">

<mx:Script>
    <![CDATA[
        import mx.controls.Alert;
        import mx.controls.TextInput;
        import mx.rpc.events.ResultEvent 
        import mx.collections.ArrayCollection;
        import com.adobe.serialization.json.JSON;
        
        private var flexMail:ArrayCollection;
        public function sendMailAction( ):void
        {
         
            
           flexMail = new ArrayCollection();
           var mailObj:Object = new Object();
           mailObj.senderName = senderName.text;
           mailObj.senderEmail =senderEmail.text;
           mailObj.sendToName = sendToName.text;
           mailObj.sendToEmail = sendToEmail.text;
           mailObj.emailMessage =emailMessage.text;
           
           //check email valid

           if(senderName.text !="" && senderEmail.text!=""&&sendToName.text!=""&& sendToEmail.text!=""&& emailMessage.text!=""){
                 if(senderEmail.text.indexOf("@")==-1 || sendToEmail.text.indexOf("@")==-1){
                   labState.text="Email格式不正确哦！";
                 }else{
                     flexMail.addItem(mailObj); 
                     var emailString:String = JSON.encode(flexMail.toArray());
                     sendMail.sendFlexMail(emailString)
                     labState.text="正在发送请稍候...";
           }
           }else{
                labState.text="请输入所有的选项!";
           }

        } 
        
        public function sendFlexMailResult(event:ResultEvent):void
        {
            Alert.show(event.result as String);
            senderName.text="";
            senderEmail.text="";
            sendToName.text="";
            sendToEmail.text="";
            emailMessage.text="";
            labState.text="恭喜，成功发送邮件！";
        }
        
    ]]>
</mx:Script>

<mx:Style source="mailFormCSS.css" />

<mx:RemoteObject id="sendMail" destination="sendFlexMail" showBusyCursor="true" result="sendFlexMailResult(event)" />
    <mx:Panel width="448" height="474" >
        <mx:Text width="100%" height="29" text="Email Form" styleName="header"/>
        <mx:Text text="Flex3 / BlazeDS / Java" styleName="subHeader" />
        <mx:HRule width="100%"/>
        
         <mx:Form id="emailForm" width="100%" >
         
             <mx:FormItem label="Your Name:" horizontalAlign="left" width="100%">
                <mx:TextInput id="senderName" width="100%"/>
            </mx:FormItem>
            
            <mx:FormItem label="Your E-mail:" width="100%">
                <mx:TextInput id="senderEmail" width="100%"/>
            </mx:FormItem>
         
            <mx:FormItem label="Friends Name:" horizontalAlign="left" width="100%">
                <mx:TextInput id="sendToName" width="100%"/>
            </mx:FormItem>
    
            <mx:FormItem label="Friends E-mail:" width="100%">
                <mx:TextInput id="sendToEmail" width="100%"/>
            </mx:FormItem>
            
            <mx:FormItem label="Message" horizontalAlign="left" width="100%">
                <mx:TextArea id="emailMessage" width="100%" height="100"/>
            </mx:FormItem>
            
             <mx:FormItem width="100%" height="33">
                <mx:Spacer width="200" />
                <mx:Button id="submitBtn" label="Submit" click="sendMailAction()"/>
             </mx:FormItem>
        </mx:Form>
        
     <mx:HBox styleName="cbStyle" width="414">
      <mx:Label id="labState" width="393" fontSize="14" color="#FE0113"/>
           <!-- <mx:CheckBox label="Check to send a copy to yourself" id="cb"/>-->
        </mx:HBox>
        
        <mx:HRule width="100%" height="0"/>
        
        <mx:Label styleName="footer">
               <mx:htmlText><![CDATA[<a href="http://yexin218.cublog.cn" target="_blank" ><b>一路风尘制作</b></a>]]></mx:htmlText>
           </mx:Label>
    
    </mx:Panel>
    
</mx:Application>
 

数据传递使用的是BlazeDS.关于BlazeDS参考：使用BlazeDS实现Java和Flex通信

附件下载【包含Flex-plugin的eclipse工程文件以及源码】：DownLoad

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  • yexin218
  • 等级: 一星会员
  • 性别:
  • 文章: 90
  • 积分: 100
  • 来自: 珠海
   发表时间：2008-06-16  
我一直在想，Flex本身有没有发送Email的功能呢？知道的朋友，不妨相告。谢谢
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  • hacker47
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  • 性别:
  • 文章: 53
  • 积分: 160
  • 来自: 广州
   发表时间：2008-07-13  
FLEX几乎只是客户端的解决方案,AIR中有对数据库操作的相关类库,可以目前支持差强人意,据我所知,FLEX自身还不能发送EMAIL.
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