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问题:

I need to make a Mailto link to my website which is suppose to contain either the product name or the product page URL in the subject section. How can I do it?
Exp: When you get an email through eBay about a product you are selling or buying, you automatically know what product that email is about by seeing the product name in the subject section.
How can i do this?

回答1:

<a href="mailto:example@foo.com?subject=hello world">Email Me!</a>

Internet Archive:

Set up an HTML mailto form without a back-end script
HTML Mailto Attribute and Tips
HTML Mailto Tips and Tricks
Mailto Syntax

回答2:

I've run into problems with this before when I didn't url encode the value, so I would suggest (using lc's example):

<a href="mailto:foo@bar.com?subject=This+Is+My+Product">

<a href="mailto:foo@bar.com?subject=This%20Is%20My%20Product">

回答3:

This page [Link Dead] outlines the syntax of mailto URIs:

Address message to multiple recipients

,   (comma separating e-mail addresses)

Add entry in the "Subject" field
```
subject=Subject Field Text
```
Add entry in the "Copy To" or "CC" field
```
cc=id@internet.node
```
Add entry in the "Blind Copy To" or "BCC" field
```
bcc=id@internet.node
```

Add entry in the "Body" field

body=Your message here

Within the body use "%0A" for a new line,
use "%0A%0A" for a new line preceded by a blank line (paragraph),

What you are looking for is:

<a href="mailto:foo@bar.com?subject=This Is My Product">

Note, it's probably a good idea to URL encode the spaces with either a + or a %20:

<a href="mailto:foo@bar.com?subject=This+Is+My+Product">

回答4:

<a href="mailto:stefan.mai@example.com?subject=YourSubjectHere">Try This</a>

If you want something more advanced, you're going to have to code it from scratch (or use someone else's script). Try looking into PHP, ASP.NET, Ruby on Rails, etc.