有没有url.QueryEscape的例子和用法？为golang [英] Is there any example and usage of url.QueryEscape ? for golang

问题描述

如何在Go语言中理解并使用 url.QueryEscape ？

How to understand and use url.QueryEscape, in Go language?

推荐答案

要理解 url.QueryEscape 的用法，您首先需要了解 url query string is。

To understand the usage of url.QueryEscape, you first need to understand what a url query string is.

查询字符串是URL的一部分，其中包含可传递给Web应用程序的数据。这些数据需要进行编码，并使用 url.QueryEscape 完成此编码。它执行通常也称为网址编码的内容。

A query string is a part of URL that contains data that can be passed to web applications. This data needs to be encoded, and this encoding is done using url.QueryEscape. It performs what is also commonly called URL encoding.

示例

假设我们有网页：

Let's say we have webpage:

http://mywebpage.com/thumbify

我们想要将图片url http://images.com/cat.png 传递给此Web应用程序。然后，这个网址需要如下所示：

And we want to pass an image url, http://images.com/cat.png, to this web application. Then this url needs look something like this:

http://mywebpage.com/thumbify?image=http%3A%2F%2Fimages.com%2Fcat.png

在Go代码中，它看起来像这样：

In Go code, it would look like this:

package main

import (
    "fmt"
    "net/url"
)

func main() {
    webpage := "http://mywebpage.com/thumbify"
    image := "http://images.com/cat.png"
    fmt.Println( webpage + "?image=" + url.QueryEscape(image))
}

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