Simple send mail based on Javaemail Point-to-multipoint (picture and attachment)

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1 @Test2      Public voidsendemailtest () {3         Try {4Properties Properties =NewProperties ();5             //setting up an SMTP host6Properties.put ("Mail.smtp.host", "smtp.exmail.qq.com");7             //Using SMTP authentication8Properties.put ("Mail.smtp.auth", "true");9             /*Ten * In JavaMail, you can override the extends Authenticator abstract class, in subclasses, in the parent class. One * Getpasswordauthentication () method, you can realize the user authentication when the mailbox is logged in different ways. JavaMail A * This design is used in the Strategy mode (strategy -              */ -MimeMessage message =NewMimeMessage (Session.getinstance (Properties,NewAuthenticator () { the @Override -                  Publicpasswordauthentication getpasswordauthentication () { -                     return NewPasswordauthentication (//set Send account password -"Account", "password"); +                 } -             })); +             //set the properties of a message A  at             //set the sender of a message - //Message.setfrom (New internetaddress ("Sender account")); -Message.setfrom (NewInternetAddress ("account"))); -             //to set the recipient cc for a message the CC BCC indicates dark send -Message.setrecipient (Message.RecipientType.TO,NewInternetAddress ("Recipient Mailbox")); -             //set the subject of the message inMessage.setsubject ("I am the subject of the message"); -             //create the body of a message toMimeBodyPart Text =NewMimeBodyPart (); +             //setcontent ("Body content of the message", "Setting the encoding of Message content") -             //content can directly control the size of the image using CSS theString html = "<div><p> content text </p><div>; *Text.setcontent (HTML, "text/html;charset=gb2312")); $ Panax Notoginseng  -             //one-to-many send as long as you change a place as follows: the  + //String tomore[] = {}; A //            // //build a mass address array the //internetaddress[] ADR = new Internetaddress[tomore.length]; + //for (int i = 0; i < tomore.length; i++) { - //Adr[i] = new internetaddress (Tomore[i]); $ //            } $             //the SetRecipients method of message supports mass-mailing. Note: The SetRecipients method is not the same as the plural - //message.setrecipients (Message.RecipientType.TO, ADR); -  the  -             //Create a pictureWuyiMimeBodyPart img =NewMimeBodyPart (); the             /* - * JavaMail API does not restrict information to text only, any form of information may be a part of mimemessage. Wu * In addition to textual information, as a file attachment included in the e-mail message is a part of the common. JavaMail - * API provides an easy way to allow us to include non-text BodyPart objects by using the DataHandler object. About              */ $  - //File File = new file ("Src/main/resources/321.png"); -             //Picture Path - //datahandler dh = new DataHandler (new Filedatasource (file)); A             //Picture Path +DataHandler DH =NewDataHandler (NewFiledatasource ("D://123.jpg")); the Img.setdatahandler (DH); -             //create a representation of a picture to display in a message $             //src= ' cid:a ' in HTML means reference theImg.setcontentid ("a"); the             //the relationship body and picture theMimemultipart mm =NewMimemultipart (); the Mm.addbodypart (text); - Mm.addbodypart (IMG); in             //set the relationship between the body and the picture theMm.setsubtype ("related"); the             //the body of the drawing class and the text AboutMimeBodyPart all =NewMimeBodyPart (); the all.setcontent (mm); the  the             //attachment to the body (text and IMG) +Mimemultipart mm2 =NewMimemultipart (); - Mm2.addbodypart (all); the Bayi  the  the             //Create an attachment -MimeBodyPart Attch =NewMimeBodyPart (); -             //Annex 1 the             //Data Source the  theFile File =NewFile ("D://123.jpg"); theInputStream C =Newfileinputstream (file);; -DataSource Source1 =NewBytearraydatasource (c, "Application/octet-stream"); the             //set the data for the first attachment theAttch.setdatahandler (NewDataHandler (Source1));//new DataHandler (SOURCE1) Data Processor theString fileName = "123.jpg";//Can be jpg,zip,excle (rar etc should also be possible, no specific test)94             //Chinese garbled problem/set the file name of the first attachment the Attch.setfilename (Mimeutility.encodetext (FileName)); the Mm2.addbodypart (attch); the 98  About  - message.setcontent (mm2);101             //Save Changes102 message.savechanges ();103             //Send mail104 transport.send (message); the 106}Catch(Exception e) {107 e.printstacktrace ();108         }109}

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Simple send mail based on Javaemail Point-to-multipoint (picture and attachment)