net core webapi 数据库连接

{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  "AllowedHosts": "*", // 允许所有域名访问  
  "ConnectionStrings": {
    //                 数据库地址       数据库名       帐号          密码
    "SqlConn": "Server=localhost;Database=KBDB;User ID=sjz2018dbuser;Password=1ECD9E*#E9DCE1;"
  }
}