我有一个看起来像这样的表格:
<form name="myForm" ng-submit="saveDeployment()">
<input type="hidden" value="{{item.CloneUrl}}" name="cloneurl" />
<input type="hidden" value="{{Username}}" name="username" />
<input type="radio" name="deploymenttype" ng-model="item.deploymentType" value="azure" checked="checked">Azure
<br />
<input type="radio" name="deploymenttype" ng-model="item.deploymentType" value="ftp">FTP
<div id="azure" ng-show="item.deploymentType=='azure'">
<label for="azurerepo">Azure Git Repo</label>
<input type="text" name="azurerepo" ng-model="item.azurerepo" ng-class="{error: myForm.azurerepo.$invalid}" ng-required="item.deploymentType=='azure'" />
</div>
<div id="ftp" ng-show="item.deploymentType=='ftp'">
<label for="ftpserver">FTP Server</label>
<input type="text" name="ftpserver" ng-model="item.ftpserver" ng-class="{error: myForm.ftpserver.$invalid}" ng-required="item.deploymentType=='ftp'" />
<label for="ftppath">FTP Path</label>
<input type="text" name="ftppath" ng-model="item.ftppath" ng-class="{error: myForm.ftppath.$invalid}" ng-required="item.deploymentType=='ftp'" />
<label for="ftpusername">FTP Username</label>
<input type="text" name="ftpusername" ng-model="item.ftpusername" ng-class="{error: myForm.ftpusername.$invalid}" ng-required="item.deploymentType=='ftp'"/>
<label for="ftppassword">FTP Password</label>
<input type="password" name="ftppassword" ng-model="item.ftppassword" ng-class="{error: myForm.ftppassword.$invalid}" ng-required="item.deploymentType=='ftp'"/>
</div>
<input type="submit" value="Save" ng-disabled="myForm.$invalid"/>
</form>
它的设置使得一旦输入数据,必填字段和保存按钮都可以工作。但是,我的部分验证将是,"Is the user already registered?"
我将使用输入的数据通过 POST 使用 $http 访问服务器。
我应该把这个逻辑放在saveDeployment()
函数中还是有更好的地方放它?
*更新: *
我已经实现了以下内容,它作为元素的属性应用,但它在我不喜欢的每次按键时调用服务器/数据库:
app.directive('repoAvailable', function ($http, $timeout) { // available
return {
require: 'ngModel',
link: function (scope, elem, attr, ctrl) {
console.log(ctrl);
ctrl.$parsers.push(function (viewValue) {
// set it to true here, otherwise it will not
// clear out when previous validators fail.
ctrl.$setValidity('repoAvailable', true);
if (ctrl.$valid) {
// set it to false here, because if we need to check
// the validity of the email, it's invalid until the
// AJAX responds.
ctrl.$setValidity('checkingRepo', false);
// now do your thing, chicken wing.
if (viewValue !== "" && typeof viewValue !== "undefined") {
$http.post('http://localhost:12008/alreadyregistered',viewValue) //set to 'Test.json' for it to return true.
.success(function (data, status, headers, config) {
ctrl.$setValidity('repoAvailable', true);
ctrl.$setValidity('checkingRepo', true);
})
.error(function (data, status, headers, config) {
ctrl.$setValidity('repoAvailable', false);
ctrl.$setValidity('checkingRepo', true);
});
} else {
ctrl.$setValidity('repoAvailable', false);
ctrl.$setValidity('checkingRepo', true);
}
}
return viewValue;
});
}
};
});