How do I bind a function returning a promise to an express route?
如何绑定将承诺返回到快速路线的函数?
I have a function that works with my model objects which returns promises and I need to add it to controller function which react on a particular express route:
我有一个函数可以使用我的模型对象返回promises,我需要将它添加到控制器函数,该函数对特定的快速路由做出反应:
app.get('/students/list', controllerFunction);
(I have function findAllActiveStudents
which read from file/database and returns promise). How to write controllerFunction which inside call findAllActiveStudents
and returns result ?
(我有函数findAllActiveStudents从文件/数据库读取并返回promise)。如何编写调用findAllActiveStudents并返回结果的controllerFunction?
// inside controller file
exports controllerFunction = function(req, res) {
// Here what to do
}
1 个解决方案
#1
2
It can possibly be used like this:
它可以像这样使用:
// inside controller file
exports controllerFunction = function(req, res) {
var promise = findAllActiveStudents(req);
promise.then(function(result) {
// format and send the result
res.send(result);
}, function(err) {
// format and send the error
res.send(error);
});
}
#1
2
It can possibly be used like this:
它可以像这样使用:
// inside controller file
exports controllerFunction = function(req, res) {
var promise = findAllActiveStudents(req);
promise.then(function(result) {
// format and send the result
res.send(result);
}, function(err) {
// format and send the error
res.send(error);
});
}