1. 安装插件

拓展 => 搜索qml => 找到QML Format =>点击安装

2. 配置

• 打开settings.json文件
  • ctl + shift + p，然后搜索settings
    
• 修改settings.js内容

{
    ...
    //添加以下内容

    // 根据自己电脑安装路径来填写qmlformat.exe的路径，注意转义符"\" => "\\"
    "qmlFormat.command": "D:\\Soft\\Qt6\\5.15.2\\mingw81_64\\bin\\qmlformat.exe",

    // 命令选项，这里官方写的是--normal，但是报错，改成-n就好了
    // qmlFormat的命令选项见附录
    "qmlFormat.extraArguments": ["-n"]
}

3. 使用

• 鼠标右键选择格式化文档
• 快捷键 shift + alt + F
  

附录

• qmlFormat.exe 命令选项

./qmlformat -h                                       
Usage: ./qmlformat [options] filenames
Formats QML files according to the QML Coding Conventions.

Options:
  -h, --help                  Displays help on commandline options.
  --help-all                  Displays help including Qt specific options.
  -v, --version               Displays version information.
  -V, --verbose               Verbose mode. Outputs more detailed information.
  -i, --inplace               Edit file in-place instead of outputting to
                              stdout.
  -f, --force                 Continue even if an error has occurred.
  -t, --tabs                  Use tabs instead of spaces.
  -w, --indent-width <width>  How many spaces are used when indenting.
  -n, --normalize             Reorders the attributes of the objects according
                              to the QML Coding Guidelines.
  -F, --files <file>          Format all files listed in file, in-place
  -l, --newline <newline>     Override the new line format to use (native macos
                              unix windows).

Arguments:
  filenames                   files to be processed by qmlformat