powershell钉钉机器人推送消息

Function DingApi($msg){
$uri = "https://xxxxxx"
$body="{
`"markdown`":{
`"title`":`"xxxx`",
`"text`":`"$msg`"
},
`"msgtype`":`"markdown`"
}"
$To_CN = [System.Text.Encoding]::UTF8.GetBytes($body)
invoke-WebRequest $uri -Method "POST" -ContentType "application/json" -Body $To_CN
}
DingApi -msg "[百度一下](https://www.baidu.com)"