nodejs后台运行出现Cannot read property'query' of undefined问题
在cmd里面输入命令node ./bin/www ，却忽然弹出了下面这一堆英文，TypeError:Cannot read property'query' of undefined...... 不要着急。此时并非你的代码有什么问题,而是你的数据库还没开启。 此时ctrl+r 输入cmd再次打开一个命令提示符,输入net start mysql 要是此时又出现下面这个问题“发生系统错误
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相关文章
- 1. nodejs后台运行出现Cannot read property'query' of undefined问题
- 2. js 中出现 Cannot read property 'XXX' of undefined
- 3. js问题 Cannot read property 'messages' of undefined
- 4. cannot read prpperty ‘start‘ of undefined（问题记录）
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