Addon for Contact Form 7 that creates a new kind of input that contains the URL of the page the user visited before the contact form page.
联系表7的附件，用于创建一种新的输入，其中包含用户在联系表页面之前访问的页面的URL。
You can choose where in your email to introduce this info by using a mail-tag, like any other field.
您可以像其他任何字段一样，使用邮件标签选择在电子邮件中的何处引入此信息。
How to use it?
如何使用它？
Once you have installed and activated your plugin, a new type of field will be available in your Contact Form 7 forms.
安装并激活插件后，Contact Form 7表单中将提供一种新的字段。
In order to add it to your form, you can either click on the “Referrer” button above your form editor, or add the shortcode like: [cf7rfr_referrer {your-referrer}] ({your-referrer} has to be replaced by the
为了将其添加到您的表单中，您可以单击表单编辑器上方的“ Referrer”按钮，也可以添加以下简短代码，例如：[cf7rfr_referrer {your-referrer}]（{your-referrer}必须替换为
name you want to give the field)
您要提供的字段名称）
To recover the field’s info on your email, use this tag: [{your-referrer}].
要在您的电子邮件中恢复该字段的信息，请使用以下标签：[{您的引荐来源}]。
It will print a URL.
它将打印一个URL。
What referrer in Contact Form 7?
联系表格7中的推荐人？
This plugin looks at the HTTP referrer.
此插件查看HTTP引荐来源网址。
Not at the traffic source.
不在流量来源。
So, if your user comes from google, clicks some links in your site and ends up in your contact form page, the field will contain the last page in your site your client visited.
因此，如果您的用户来自Google，请点击您网站中的某些链接并最终显示在您的联系表单页面中，该字段将包含您的客户访问过的您网站中的最后一页。
It will not tell you whether the client landed from Google.
它不会告诉您客户是否从Google登陆。
This is meant to give you some context to the user’s message.
这是为了给您一些有关用户消息的上下文。
Sometimes, they say “I love this product!”
有时，他们说“我喜欢这个产品！”
but you have no idea which one they are talking about.
但您不知道他们在谈论哪个。
With the referrer field, at least you know what they saw last.
使用引荐来源网址字段，至少您知道他们最后看到的内容。
This plugin works well with cache plugins, because the field is filled using javascript on the user’s computer in stead of the server.
此插件与缓存插件配合使用非常好，因为该字段是使用javascript而不是服务器在用户计算机上填充的。
