问题描述
我试图从medium复制亚当的例子。
const app = express();
app.use(expressLogger);
app.use(BodyParser.json());
app.post('/signup',celebrate({
body: Joi.object().keys({
name: Joi.string().required(),age: Joi.number().integer(),role: Joi.string().default('admin')
}),query: {
token: Joi.string().token().required()
}
}),(req,res) => {
logger.debug('Calling res.send');
res.json({ success: true,data : { name,age,role }});
});
这是错误
"message": "celebrate request validation Failed","validation": {
"query": {
"source": "query","keys": [
"token"
],"message": "\"token\" is required"
}
邮递员POST请求
{
'name' : 'John J.','age' : 23,}
我将令牌设置为参数,现在可以正常工作。 我现在出现参考错误。
<body>
<pre>ReferenceError: name is not defined<br>
err":{"type":"Error","message":"Failed with status code 500","stack":"Error: Failed with status code 500\n at ServerResponse.onResFinished (/home/trajche/pract/joi1/node_modules/pino-http/logger.js:73:38)\n at ServerResponse.emit (events.js:326:22)\n at onFinish (_http_outgoing.js:751:10)\n at callback (_stream_writable.js:501:21)\n at afterWrite (_stream_writable.js:454:5)\n at afterWriteTick (_stream_writable.js:441:10)\n at processticksAndRejections (internal/process/task_queues.js:79:21)"},"responseTime":3,"msg":"request errored"}
ReferenceError: name is not defined
解决方法
当您尝试使用res.json({ success: true,data : { name,age,role }});
返回数据时,未定义变量name
,age
或role
。您需要先从请求正文中检索它们。
与
res.json({ success: true,data : { name: req.body.name,age: req.body.age,role: req.body.role }});
也许是更好的方法
const { name,role } = req.body;
res.json({ success: true,role }});