我正在用node / express制作RESTful api。而且我在使用javascript的异步部分时遇到了麻烦
例如,我有这个:
function isWorkMine(workdata) {
var result = false;
Work.otherQueryToTheDB(workdata,(err,data) => {
if (data.length > 0) {
result = true;
}
});
return result;
};
router.get("/works", (req, res) => {
const workdata = {...}
var result = isWorkMine(workdata);
if (result) {
Work.queryToTheDataBase(state,(err,data) => {
if (data.length == 0) {
return res.status(404);
}
res.json(data);
});
} else {
console.log("Do Nothing!");
}
});
此问题是结果始终为假。我尝试过
async function isWorkMine(workdata) {
var result = false;
await Work.otherQueryToTheDB(workdata,(err,data) => {
if (data.length > 0) {
result = true;
}
});
return result;
};
但是没有用。我在做什么错了?