在我的数据库中，我对testdata进行了以下设置：
test1 [
[0] { test: Array, comments: Array },
[1] { test: Array, comments: Array }
]
下面是我如何定义userSchema，它包含更多，但我认为它们在这种情况下无关紧要。
var UserSchema = new Schema({
test1: { type: Array, required: false },
test2: { type: Array, required: false },
test3: { type: Array, required: false }
});
以下是将数据保存到数据库的代码的一部分。 ＆＃34; newTest1＆＃34;是一系列评论。我一直在尝试为对象添加评论但却无法做到。我的想法是，我首先添加创建对象的数据（请参阅下面的api.js），然后添加注释。
没有显示错误，我没有添加试图进入对象的数组。在api.js（下面的代码片段）中，我能够进入数组的第一层，但不能进入其中的对象。这必须意味着我无法从数据库中看到阵列，但我不知道为什么会这样。我想如果我能以某种方式从数据库中获取数组，添加注释然后user.save它会工作，但我不知道如何做到这一点，或者如果这是最好的解决方案。有人可以帮帮我吗？
HTML：
<form name="edit.test1" ng-submit="ctrl.updateTest1(newComment1, newComment2, ctrl.artikel)">
<div class="form-group">
<label>Kommentarer:</label>
<input class="form-control" type="text" name="test1" placeholder="Comment on first value" ng-model="newComment1" autocomplete="off">
<br>
<input class="form-control" type="text" name="test1" placeholder="Comment on second value" ng-model="newComment2" autocomplete="off">
</div>
<button type="submit" class="btn btn-primary">Submit</button>
</form>
控制器：
app.updateTest1 = function(newComment1, newComment2, index) {
app.errorMsg = false; // Clear any error message
app.disabled = true; // Lock form while processing
// Check if username submitted is valid
var userObject = {}; // Create the user object to pass to function
userObject._id = app.currentUser; // Pass current user _id in order to edit
userObject.test1 = [$scope.newComment1, $scope.newComment2, index]; // Set the new username provided
// Runs function to update the user's username
User.editUser(userObject).then(function(data) {
// Behöver jag lägga till något här??
});
};
Userfactory：
userFactory.editUser = function(id) {
return $http.put('/api/edit', id);
};
用户注册时创建新用户：
router.post('/users', function(req, res) {
var user = new User(); // Create new User object
user.username = req.body.username; // Save username from request to User object
user.password = req.body.password; // Save password from request to User object
user.email = req.body.email; // Save email from request to User object
user.name = req.body.name; // Save name from request to User object
user.temporarytoken = jwt.sign({ username: user.username, email: user.email }, secret, { expiresIn: '24h' }); // Create a token for activating account through e-mail
// Check if request is valid and not empty or null
if (req.body.username === null || req.body.username === '' || req.body.password === null || req.body.password === '' || req.body.email === null || req.body.email === '' || req.body.name === null || req.body.name === '') {
res.json({ success: false, message: 'Ensure username, email, and password were provided' });
} else {
// Save new user to database
user.save(function(err) {
if (err) {
// Check if any validation errors exists (from user model)
if (err.errors !== null) {
if (err.errors.name) {
res.json({ success: false, message: err.errors.name.message }); // Display error in validation (name)
} else if (err.errors.email) {
res.json({ success: false, message: err.errors.email.message }); // Display error in validation (email)
} else if (err.errors.username) {
res.json({ success: false, message: err.errors.username.message }); // Display error in validation (username)
} else if (err.errors.password) {
res.json({ success: false, message: err.errors.password.message }); // Display error in validation (password)
} else {
res.json({ success: false, message: err }); // Display any other errors with validation
}
} else if (err) {
// Check if duplication error exists
if (err.code == 11000) {
if (err.errmsg[61] == "u") {
res.json({ success: false, message: 'That username is already taken' }); // Display error if username already taken
} else if (err.errmsg[61] == "e") {
res.json({ success: false, message: 'That e-mail is already taken' }); // Display error if e-mail already taken
}
} else {
res.json({ success: false, message: err }); // Display any other error
}
}
} else {
// Create e-mail object to send to user
var email = {
from: 'MEAN Stack Staff, cruiserweights@zoho.com',
to: [user.email, 'gugui3z24@gmail.com'],
subject: 'Your Activation Link',
text: 'Hello ' + user.name + ', thank you for registering at localhost.com. Please click on the following link to complete your activation: http://www.herokutestapp3z24.com/activate/' + user.temporarytoken,
html: 'Hello<strong> ' + user.name + '</strong>,<br><br>Thank you for registering at localhost.com. Please click on the link below to complete your activation:<br><br><a href="http://www.herokutestapp3z24.com/activate/' + user.temporarytoken + '">http://www.herokutestapp3z24.com/activate/</a>'
};
// Function to send e-mail to the user
client.sendMail(email, function(err, info) {
if (err) {
console.log(err); // If error with sending e-mail, log to console/terminal
} else {
console.log(info); // Log success message to console if sent
console.log(user.email); // Display e-mail that it was sent to
}
});
res.json({ success: true, message: 'Account registered! Please check your e-mail for activation link.' }); // Send success message back to controller/request
}
});
}
});
api.js：
router.put('/edit', function(req, res) {
var editUser = req.body._id; // Assign _id from user to be editted to a variable
if (req.body.name) var newName = req.body.name; // Check if a change to name was requested
if (req.body.username) var newUsername = req.body.username; // Check if a change to username was requested
if (req.body.email) var newEmail = req.body.email; // Check if a change to e-mail was requested
if (req.body.permission) var newPermission = req.body.permission; // Check if a change to permission was requested
if (req.body.test1) {
var newTest1 = req.body.test1;
}
if (req.body.test2) {
var newTest2 = req.body.test2;
}
if (req.body.test3) {
var newTest3 = req.body.test3;
}
if (req.body.test4) {
var newTest4 = req.body.test4;
}
if (req.body.test5) {
var newTest5 = req.body.test5;
}
// Look for logged in user in database to check if have appropriate access
User.findOne({ username: req.decoded.username }, function(err, mainUser) {
if (err) {
// Create an e-mail object that contains the error. Set to automatically send it to myself for troubleshooting.
var email = {
from: 'MEAN Stack Staff, cruiserweights@zoho.com',
to: 'gugui3z24@gmail.com',
subject: 'Error Logged',
text: 'The following error has been reported in the MEAN Stack Application: ' + err,
html: 'The following error has been reported in the MEAN Stack Application:<br><br>' + err
};
// Function to send e-mail to myself
client.sendMail(email, function(err, info) {
if (err) {
console.log(err); // If error with sending e-mail, log to console/terminal
} else {
console.log(info); // Log success message to console if sent
console.log(user.email); // Display e-mail that it was sent to
}
});
res.json({ success: false, message: 'Something went wrong. This error has been logged and will be addressed by our staff. We apologize for this inconvenience!' });
} else {
// Check if logged in user is found in database
if (!mainUser) {
res.json({ success: false, message: "no user found" }); // Return error
} else {
// Check if a change to name was requested
-----> HERE if (newTest1) {
// Check if person making changes has appropriate access
if (mainUser.permission === 'admin') {
// Look for user in database
User.findOne({ _id: editUser }, function(err, user) {
if (err) {
res.json({ success: false, message: 'Something went wrong. This error has been logged and will be addressed by our staff. We apologize for this inconvenience!' });
} else {
// Check if user is in database
if (!user) {
res.json({ success: false, message: 'No user found' }); // Return error
} else {
if (Array.isArray(newTest1)) {
------> this does not work user.test1[0].comments.push(newTest1);
//user.test1.splice(index, 0, newTest1)
} else {
---> this works var testet1 = { test: newTest1.split(" "), comments: Array };
user.test1.push(testet1); // Assign new name to user in database
}
// Save changes
user.save(function(err) {
if (err) {
console.log(err); // Log any errors to the console
} else {
res.json({ success: true, message: 'Name has been updated!' }); // Return success message
}
});
}
}
});
答案 0 :(得分：0)
Javascript数组始终是编号索引，不支持命名索引。除非我错过了某些东西，否则你试图通过给它一个不起作用的命名索引来创建一个关联数组。
答案 1 :(得分：0)
首先，您需要在Schema上进行一些调整，以使test1数组包含具有属性answers和comments的对象，并使它们也成为数组。然后将其插入到主Schema中，如下所示：
var nestedSchema = new Schema ({
answers: {type: Array, required: false},
comments: {type: Array, required: false}
})
var UserSchema = new Schema({
test1: { type: [nestedSchema], required: false },
test2: { type: Array, required: false },
test3: { type: Array, required: false }
});
然后user.test1[0].comments.push(newTest1)应该正常工作。在推送新评论时，不要忘记传递所需答案的索引。像这样user.test1[index].comments.push(newTest1)