How to set Chinese in golang

How to display Chinese in Go? First, set the environment variable LC_ALL to zh_CN.UTF-8. Second, load and apply fonts that support Chinese (such as Microsoft Yahei). Other notes: Go 1.16 and above have enhanced support for UTF-8, and Windows systems need to set the console encoding to UTF-8.

How to display Chinese in Go

Question: What is needed to display Chinese in Go What settings should be made?

Answer: To display Chinese in Go, you need to set the following two aspects:

1. Set environment variables

First, you need to set the environment variable LC_ALL to zh_CN.UTF-8 to specify the Chinese locale using UTF-8 encoding. You can use the following code to set environment variables at the beginning of the script:

<code class="go">import "os"

func main() {
    os.Setenv("LC_ALL", "zh_CN.UTF-8")
}</code>

2. Set the font

Secondly, you need to set the font to a font that supports Chinese. Fonts can be loaded using the font.NewFace function and applied to windows or other graphical controls using the SetFace function. The following example loads the msyh font (Microsoft Yahei):

<code class="go">import (
    "log"

    "golang.org/x/image/font"
    "golang.org/x/image/font/opentype"
)

func main() {
    f, err := opentype.Parse("msyh.ttf")
    if err != nil {
        log.Fatal(err)
    }
    wf := font.NewFace(f, &font.Options{
        Size: 12,
    })
}</code>

Other notes:

• If using Go 1.16 or higher version, you can omit setting environment variables because this version already provides better support for UTF-8.
• If the font used does not support Chinese, you may need to use other fonts.
• In Windows systems, you also need to set the encoding of the Windows console to UTF-8. You can enter chcp 65001 in the command prompt to set it.

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