串口已经调试通过;EC20 TCP/IP指令例程 具体指令如下
/* Use ATCPIN?/ATCREG?/ATCGREG? to query the SIM status and network registration status */[2015-09-14 13:56:10:185_S:] ATCPIN?[2015-09-14 13:56:10:208_R:] ATCPIN?[2015-09-14 13:56:10:208_R:…
坑 !
在执行insert的时候报的Unknown column update_at in field list
原因是在数据库对应的表中的update_at字段名前边多了个空格 (真想扇死自己~哈哈哈)
那么我是怎么发现的呢 从idea中连接数据库查看对应的表的DDL发现 唉!这个字段怎么跟别的不一样? 然后我就去数据库中…
转载:http://www.hellokvm.com/?p659
An Unknown Error Has Occurred This program has encountered an unknown error. You may report the buy below or quit the program. This program has encountered an unknown error. You may report the buy below or qu…