CURL 用法

curl http://www.geeksforgeeks.org

Post Json数据

curl -H "Content-Type:application/json"     -H "Data_Type:msg" -X POST --data '{"text": "Hello world"}' http://127.0.0.1:8000/tts

下载,显示进度

curl -o hello.zip ftp://speedtest.tele2.net/1MB.zip

参考：
https://www.geeksforgeeks.org/curl-command-in-linux-with-examples/

https://www.cnblogs.com/hujiapeng/p/8470099.html