tom slabbaert
2020-02-01 02:47
这是因为的返回值countDocuments是一个承诺而不是一个数字。
您要么需要等待该Promise，要么使用像这样的回调语法：
var myModels= require('./models/myModel');
// this required the code to be inside an async function
var myCount = await myModels.countDocuments({userID: "A"});
console.log(myCount);
要么：
var myModels= require('./models/myModel');
myModels.countDocuments({userID: "A"})
.then((myCount) =>{console.log(myCount);});
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谢谢，我正在尝试这个。对于第二个示例，我收到一个错误，提示await无效-应该仍然包含“ await”对吗？
没错，我忘了编辑。