ColdFusion中cfmail特殊字符的主题行 [英] ColdFusion cfmail special characters in subject line

问题描述

邮件主题行中的特殊字符已转换为问号或框。

我试图将主题行的动态字符串包装在URLEncodedFormat中，但最终无效。

 < cfset strSubject = URLEncodedFormat（s）> 
< cfmail 
 from =[e-mail]
 to =[e-mail]
 subject =＃strSubject＃
 type = html
> 
＃testText＃
< / cfmail> 
  

解决方案

假设特殊字符是unicode字符，将字符串编码为base64格式并在主题行中使用。像这样，

 < cfset strSubject =Demande d'chantillonssupplémentaires> 
< cfset strSubject = ToBase64（strSubject，utf-8）> 
 
< cfmail from =[e-mail] =[e-mail] ==？utf-8？B？#strSubject＃？=type =html > 
＃testText＃
< / cfmail> 
  

主题行的格式必须为 =？< charset> ;? < encoding>？< encoded text>？=

？ = 是必填项。

MIME - 编码字

字符集< 可以是在IANA注册的任何字符集。

encoding 可以是Q表示Q-编码，类似于
到quoted-printable编码，或B表示base64编码。

编码文本 Q编码或base64编码的文本。

Special characters in the subject line of the mail getting converted in to question marks or boxes.

I have tried to wrap the dynamic string of the subject line in URLEncodedFormat , however ended up in vain.

<cfset strSubject= URLEncodedFormat(s)>
<cfmail 
  from="[e-mail]" 
  to="[e-mail]" 
  subject="#strSubject#"         
  type="html"
>
  #testText#
</cfmail>

解决方案

Assuming the special characters are unicode charactes, you will have to encode the string to a base64 format and use that in the subject line. Like this,

<cfset strSubject="Demande d’chantillons supplémentaires">
<cfset strSubject=ToBase64(strSubject, "utf-8")>

<cfmail from="[e-mail]" to="[e-mail]" subject="=?utf-8?B?#strSubject#?=" type="html">
    #testText#
</cfmail>

The subject line must be in the format =?<charset>?<encoding>?<encoded text>?=

The ? and = are required.

MIME - Encoded Word

"charset" may be any character set registered with IANA. Typically it would be the same charset as the message body.

"encoding" can be either "Q" denoting Q-encoding that is similar to the quoted-printable encoding, or "B" denoting base64 encoding.

"encoded text" is the Q-encoded or base64-encoded text.

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