[英]How to create a awaitable connection with mysql using node.js
我是Node.js的新手,我试图用Node.js创建一个异步method
,因为我需要检查数据库中的一行,然后决定如何处理它。 所以我创建了一个名为sql-service.js
的文件
const sql = require('mysql');
var connection = sql.createConnection({
host: '0.0.0.0',
user: 'foo',
password: 'fooo'
});
connection.connect(function(err) {
if (err) {
console.error('error connecting: ' + err.stack);
return;
}
console.log('connected as id ' + connection.threadId);
});
console.log(connection.state);
module.exports.SignUpUser = (email,password)=>{
connection.query('select * from usuario', function(error, results, fields) {
console.log(results);
});
}
在我的控制器内部:
const sqlService = require('../services/sql-service');
exports.post = async(req,res,next)=>{
const Email = req.body.Email;
const Passw = req.body.Password;
console.log(dateT.getdate());
if (fluentValidation.validateEmail(Email) && fluentValidation.isValidLenght(Passw)) {
try {
await sqlService.SignUpUser(Email,Passw);
//emailService.send(req.body.Email,'Nome','Bem vindo ao hanggu');
} catch (error) {
console.log(error);
}
res.status(201).send({
Email: "Valid " + req.body.Email,
Password: Passw.length,
Send: 's '//Date : dateT.getDateTime()
});
} else {
res.status(500).send({
Error: "Email invalid"
})
}
}
它确实连接,但是我得到的结果是undefined
,我尝试过
console.log('The solution is: ', results[0].usuario);
但是还是。
您选择什么方案?
var connection = sql.createConnection ({
host: '0.0.0.0',
user:'foo',
password : 'fooo',
database : 'you_db'
});
测试
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