如何在URL连接code中的加号（+）符号 [英] How to encode the plus (+) symbol in URL

问题描述

下面的URL链接会打开一个新的谷歌邮件窗口。我的问题是，谷歌取代所有的加号（+）在电子邮件正文中有空格。它看起来像它只能用+号发生。任何建议如何解决这个问题？ （我工作的ASP.NET网页）

The URL link below will open a new Google mail window. The problem I have is that Google replaces all the plus (+) sign in the email body with blank space. It looks like it only happens with the + sign. Any suggestions on how to remedy this? ( I am working the ASP.NET web page)

<一个href=\"https://mail.google.com/mail?view=cm&tf=0&to=[e-mail]&su=some\">https://mail.google.com/mail?view=cm&tf=0&to=[e-mail]&su=some受检放大器;机身=您好+你好

https://mail.google.com/mail?view=cm&tf=0&to=[e-mail]&su=some subject&body=Hi there+Hello there

（在人体中的电子邮件，您好+你好将显示为你好你好）

(In the body email, "Hi there+Hello there" will show up as "Hi there Hello there")

推荐答案

的 + 字符在URL中的特殊含义=>这意味着空格。如果你想使用 + 签署需要URL连接code是：

The + character has a special meaning in a url => it means whitespace. If you want to use the + sign you need to URL encode it:

body=Hi+there%2bHello+there

下面是你如何能正确生成.NET的URL的例子：

Here's an example of how you could properly generate urls in .NET:

class Program
{
    static void Main()
    {
        var uriBuilder = new UriBuilder("https://mail.google.com/mail");
        var values = HttpUtility.ParseQueryString(string.Empty);
        values["view"] = "cm";
        values["tf"] = "0";
        values["to"] = "[e-mail]";
        values["su"] = "some subject";
        values["body"] = "Hi there+Hello there";
        uriBuilder.Query = values.ToString();
        var url = uriBuilder.ToString();
        Console.WriteLine(url);
    }
}

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