below is my couchbase nodejs code
kdatabase.js
var couchbase = require('couchbase');
var db = new couchbase.Connection({
host: "http://127.0.0.1:8091",
bucket: "default",
},
function(err) {
if (err) throw err;
db.get('id1', function(err, result) {
if (err) throw err;
console.log(result.value);
process.exit(0);
});
});
it works
but I hope to wrap it to object that can be easily to operate
module.exports = function(app) {
return new KDatabase(app);
};
var KDatabase = function(app) {
this.app = app;
};
//couchbase
KDatabase.prototype.query = function(userName) {
var couchbase = require('couchbase');
var db = new couchbase.Connection({
host: "http://127.0.0.1:8091",
bucket: "default",
},
function(err) {
if (err) throw err;
console.log(userName + '!!!!--');
db.get(userName, function(err, result) {
if (err) throw err;
var o = result.value;
console.log(o['password'] + '***--');
return o['password'];
});
});
};
then I call
var db = require('kdatabase.js')();
var s = db.query(msg.username, function(err) {
if (err) {
console.log('aaa');
}
console.log('bbb');
return;
});
the lines
console.log(userName + '!!!!--');
console.log(o['password'] + '***--');
display correctly
but
console.log('aaa');
console.log('bbb');
are never executed
Your query method does not take a callback argument, so you never call it.
KDatabase.prototype.query = function(userName, cb) {
/* snip */
console.log(o['password'] + '***--');
cb(err, result);
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