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[英]Unable to send numbers using res.send() using express with node
[英]Unable to res.send in express
您好,我在使用 express 發送回復時遇到問題。
我讀過其他問題,可能將 err, res 更改為其他變量可能會解決此問題,但事實並非如此。
router.post('/checkPaid', (req, res, next) => {
db.query(`SELECT email_address FROM users WHERE email_address = ?`, req.body.email_address, (err, res) => {
if(err)
{
throw err
}
else
{
console.log('User found')
db.query(`SELECT course_paid FROM users WHERE email_address = ?`, req.body.email_address, (error, results) => {
if(error)
{
console.log(error)
}
else
{
results.send('test')
}
})
}
})
})
throw err; // Rethrow non-MySQL errors
^
TypeError: results.send is not a functio
嘗試使用 res.send('test') 而不是 results.send('test'),因為 res 是快速響應 object。
編輯:
router.post('/checkPaid', (req, res, next) => {
db.query(`SELECT email_address FROM users WHERE email_address = ?`, req.body.email_address, (err, results) => {
if(err)
{
throw err
}
else
{
console.log('User found')
db.query(`SELECT course_paid FROM users WHERE email_address = ?`, req.body.email_address, (error, results) => {
if(error)
{
console.log(error)
}
else
{
res.send('test')
}
})
}
})
})
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