Question

我试图在FamilyData的回调函数中插入FamilyData对象和UserData中的同一对象。但是在这里，我能够向FamilyData插入一个对象，但是在我得到的回调函数对象中为null。这导致异步回调异常。在控制台中，我到了带有字符串化对象的“用户ID存在”，但此后“ FamilyId”没有打印。那里显示空对象。我在下面附加的代码：

             `
             registerNewUser': function (obj) {               
             let result=null;
             result = {};
             let UserData1;
                try {
             let userId;
            let messageArray;
            let FamilyEmail;
            let FamilyId1;
          messageArray = Meteor.Validation.Registration(obj);
         if (messageArray.length > 0) {
             let msg = Meteor.Utility.appendMessages(messageArray);
            result.Success = false;
            result.Message = msg;
            } else {

           result.Success = true;
           result.Message = 'User added successfully';
            if (!obj.check_familymember) {
                    userId = Accounts.createUser({
                    email: obj.email,
                    password: obj.pwd
                });
                if (userId != undefined) {
             console.log("user id present",JSON.stringify(obj));
                    FamilyData.insert({
                        FamilyName: obj.FamilyName,
                        Address: obj.Address,
                        CreatedBy: obj.firstname,
                        Latitude: obj.latitude,
                        Longitude: obj.longitude
                    }, function (err, FamilyId) {

            console.log("FamilyId",JSON.stringify(obj));
                        UserData.insert({
                            FirstName: obj.firstname,
                            LastName: obj.lastname,
                            Gender: obj.genderval,
                            DateOfBirth: obj.dob,
                            Email: obj.email,
                            Password: obj.pwd,
                            FamilyId: FamilyId,
                            UserId: userId,
                        });
                        if(err){
                            // throw err;
                            result.Message=err;
                            console.log("error is",err);
                        }
                    });
                    console.log("user created");

                } else {
                    result.Success = false;
                    result.Message = 'Unable to create user ';
                }
            } else {

                 FamilyEmail = obj.FamilyEmailId;
                    UserData1 = UserData.findOne({
                    Email: FamilyEmail
                });
                if (UserData1 == null) {
                    result.Success = false;
                    result.Message = 'FamilyId does not exist..';
                } else {
                     FamilyId1 = UserData1.FamilyId;
                     userId = Accounts.createUser({
                        email: obj.email,
                        password: obj.pwd
                    });
                    if (userId != undefined) {
                        UserData.insert({
                            FirstName: obj.firstname,
                            LastName: obj.lastname,
                            Gender: obj.genderval,
                            DateOfBirth: obj.dob,
                            Email: obj.email,
                            Password: obj.pwd,
                            FamilyId: FamilyId1,
                            UserId: userId
                        });
                    } else {
                        result.Success = false;
                        result.Message = 'Unable to create user ';
                    }
                }
            }
        }
    } catch (e) {
        logError(e);
        result.Success = false;
        result.Message = e.message;
    }
     `

Answer 1

流星使用纤维运行异步代码

因此您不必在数据库操作中使用回调

尝试以下

    let familyId = FamilyData.insert({
                       FamilyName: obj.FamilyName,
                       Address: obj.Address,
                       CreatedBy: obj.firstname,
                       Latitude: obj.latitude,
                       Longitude: obj.longitude
                   });

将对象插入到mongodb中的集合时发生异步回调异常

1 个答案: