curl -i -X POST -d "{\"OS\":\"Window10\",\"User\":\"测试\",\"SN\":\"12345\",\"Tel\":\"4008200815\",\"Software\":\"EasyAccess\",\"Ver\":\"7.0\"}" -H "Content-Type:application/json; charset=utf-8" http://123456.com
注意：windows cmd 不认单引号，post的数据要用\"转义
原文：https://www.cnblogs.com/forekoy/p/13672722.html