Angularjs ng通过I'重复不绑定事件;我正在获取数据
原谅我,因为我对AngularJS比较陌生。我遇到了一个调用WebApi Web服务的情况。我有两个页面,一个绑定,一个不绑定,两个页面的代码都相同。我可以看到Web服务正在被点击,正在返回数据知道问题出在哪里吗??? 这是Web服务返回的数据:Angularjs ng通过I'重复不绑定事件;我正在获取数据,angularjs,ng-repeat,Angularjs,Ng Repeat,原谅我,因为我对AngularJS比较陌生。我遇到了一个调用WebApi Web服务的情况。我有两个页面,一个绑定,一个不绑定,两个页面的代码都相同。我可以看到Web服务正在被点击,正在返回数据知道问题出在哪里吗??? 这是Web服务返回的数据: [{"id":1,"name":"Chester" , "gender":"Male" , "salary":25000}, {"id":2,"name":"Mary" , "gender":"Female" , "salary":15
[{"id":1,"name":"Chester" , "gender":"Male" , "salary":25000},
{"id":2,"name":"Mary" , "gender":"Female" , "salary":15000},
{"id":3,"name":"Tim " , "gender":"Male" , "salary":22000},
{"id":8,"name":"Wayne", "gender":"Male" , "salary":81231}]
<!DOCTYPE html>
<html>
<head>
<title></title>
<script src="Scripts/angular.js"></script>
<script src="Scripts/EmployeeAngular.js"></script>
<meta charset="utf-8" />
</head>
<body ng-app="MyModule">
<div ng-controller="MyController" ng-init="initController">
{{MadeItHereMessage}}
<table>
<thead>
<tr>
<th>ID</th>
<th>Name</th>
<th>Gender</th>
<th>Salary</th>
</tr>
</thead>
<tbody>
<tr ng-repeat="employee in employees">
<td>{{employee.id}}</td>
<td>{{employee.name}}</td>
<td>{{employee.gender}}</td>
<td>{{employee.salary}}</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title></title>
<script src="Scripts/angular.js"></script>
<script src="Scripts/EmployeeAngular.js"></script>
<meta charset="utf-8" />
</head>
<body ng-app="EmployeeApplication">
<div ng-controller="EmployeeController" ng-init="AngularInit()">
{{Message}}
<br/>
{{DisplayAction}}
<br />
<!--The following is for listing the entire list of employees-->
<div id="listSection" ng-show="DisplayAction=='List'">
<!--The employees data is: {{employees}}-->
<!--<div id="listSection">-->
<table>
<thead>List of defined Employees</thead>
<tr>
<!--<td><button id="btnCreateNew" type="button" value="Create Employee" ng-click="CreateNewEmployee()"></button></td>-->
</tr>
<tr>
<td ng-show="gotdata">
<table>
<thead>
<tr>
<th>ID</th>
<th>Name</th>
<th>Gender</th>
<th>Salary</th>
</tr>
</thead>
<tbody>
<tr ng-repeat="employee in employees">
<td>{{employee.id}}</td>
<td>{{employee.name}}</td>
<td>{{employee.gender}}</td>
<td>{{employee.salary}}</td>
</tr>
</tbody>
</table>
<!--<table id="EmployeeList">
<thead>
<tr>
<th>ID</th>
<th>Name</th>
<th>Gender</th>
<th>Salary</th>
</tr>
</thead>
<tbody>
<tr ng-repeat="for employee in employees">
<td>{{employee.id}}</td>
<td>{{employee.name}}</td>
<td>{{employee.gender}}</td>
<td>{{employee.salary}}</td>
<td><button type="button" value="Details" ng-click="ShowDetails({{employee.id}})"></button></td>
<td><button type="button" value="Delete" ng-click="DeleteEmployee({{employee.id}})"></button></td>
<td><button type="button" value="Edit" ng-click="EditEmployee({{employee.id}})"></button></td>
</tr>
</tbody>
</table>-->
</td>
</tr>
</table>
</div>
<!--The following is for listing the details of a single employee-->
<!--<div id="DetailsSection" ng-show="DisplayAction=='Details'">
<table>
<tr>
<td>ID:</td>
<td> <input id="DetailsID" value={{id}} /></td>
</tr>
<tr>
<td>Name:</td>
<td><input id="DetailsName" value={{name}} /> </td>
</tr>
<tr>
<td>Gender:</td>
<td><input id="DetailsGender" value={{gender}} /> </td>
</tr>
<tr>
<td>Salary:</td>
<td><input id="DetailsSalary" value={{salary}} /> </td>
</tr>
<tr>
<td>
<button id="NavTolist" type="button" value="Back to List" ng-click="DisplayList()"></button>
</td>
<td>
<button id="NavToDelete" type="button" value="Delete" ng-click="DeleteEmployee({{id}})"></button>
</td>
<td>
<button id="NavToEdit" type="button" value="Edit" ng-click="EditEmployee({{id}})"></button>
</td>
</tr>
</table>
</div>-->
<!--The following is for editing a employee-->
<!--<div id="EditSection" ng-show="DisplayAction=='Edit'">
<table>
<tr>
<td>ID:</td>
<td>
<input id="ID" value={{id}} />
</td>
</tr>
<tr>
<td>Name:</td>
<td><input id="" value={{name}} ng-bind="name" /> </td>
</tr>
<tr>
<td>Gender:</td>
<td><input id="" value={{gender}} ng-bind="gender" /> </td>
</tr>
<tr>
<td>Salary:</td>
<td><input id="" value={{salary}} ng-bind="salary" /> </td>
</tr>
<tr>
<td>
<button id="EditUpdate" type="button" value="Update" ng-click="EditUpdate()"></button>
</td>
<td>
<button id="NavTolistEdit" type="button" value="Back to List" ng-click="DisplayList()"></button>
</td>
<td>
<button id="NavToDeleteEdit" type="button" value="Delete" ng-click="DeleteEmployee({{id}})"></button>
</td>
</tr>
</table>
</div>-->
<!--The following is for verification of deletion-->
<!--<div id="DeletionSection" ng-show="DisplayAction=='Delete'">
<table>
<tr>
<td>Do you really want to delete {{name}}</td>
<td></td>
<td>
<button id="btnCancelDelete" type="button" value="No"></button>
</td>
<td>
<button id="btnDeleteEmployee" type="button" value="Yes" ng-click="DoDeleteEmployee({{id}})"></button>
</td>
</tr>
</table>
</div>-->
<!--The following is for creation of a employee-->
<!--<div id="CreationSection" ng-show="DisplayAction=='Create'">
<table>
<tr>
<td>Name:</td>
<td><input id="" value="" ng-bind="name" /> </td>
</tr>
<tr>
<td>Gender:</td>
<td><input id="" value="" ng-bind="gender" /> </td>
</tr>
<tr>
<td>Salary:</td>
<td><input id="" value="" ng-bind="salary" /> </td>
</tr>
<tr>
<td>
<button id="btnCreateEmployee" type="button" value="Delete" ng-click="CreateEmployee()"></button>
</td>
<td>
<button id="NavTolistEdit" type="button" value="Back to List" ng-click="DisplayList()"></button>
</td>
</tr>
</table>
</div>-->
</div>
</body>
</html>
var app = angular.module("EmployeeApplication", [])
.controller("EmployeeController",
function ($scope, $http) {
AngularInit();
function AngularInit()
{
//This will be called once per form load, via the ng-load function on the div
$scope.name = '';
$scope.gender = '';
$scope.salary = '';
$scope.id = '';
$scope.DisplayAction = '';
$scope.gotdata = false;
DisplayList();
}
function GetAllEmployees($http) {
//$scope.Message = 'NULL';
//$scope.employees = {};
$http.get('http://localhost:65315/api/employee').then(function (response) {
$scope.employees = response.data;
$scope.Message = 'OK';
$scope.go = true;
},
function (err) {
$scope.Message = 'Call failed' + err.status + ' ' + err.statusText;
$scope.employees = {};
$scope.gotdata = false;
}
);
window.setTimeout(function () {
$scope.gotdata = true;
}, 1000);
};
function DisplayList() {
//call the web service to get the list of people
//set the display action so that the list will be displayed
GetAllEmployees($http)
$scope.DisplayAction = 'List';
};
function CreateNewEmployee() {
$scope.name = '';
$scope.gender = '';
$scope.salary = '';
$scope.id = '';
$scope.DisplayAction = 'Create';
};
function ShowDetails(id) {
//call the web service to get the details of the person
//Set the $scope.CurrentEmployee
$scope.DisplayAction = 'Details';
};
function CreateEmployee() {
//perform the actual creation based on $scope.CurrentEmployee
//if successful
DisplayList();
};
function DeleteEmployee(id) {
$scope.DisplayAction = 'Delete';
};
function DoDeleteEmployee(id) {
//Perform actual deletion
//if successful
DisplayList();
};
function EditEmployee(id) {
//get the employee based on ID
$scope.DisplayAction = 'Edit';
};
function EditUpdate() {
//perform the actual update based on $scope.id
//if successful
DisplayList();
};
}
);
var app = angular.module("MyModule", []).controller("MyController", function ($scope, $http)
{
$scope.MadeItHereMessage = 'We made it to the controller (first controller)';
$scope.employees = {};
$http.get('http://localhost:65315/api/employee').then(function (response) {
$scope.employees = response.data;
$scope.Message = "OK";
},
function (err)
{
$scope.Message = "Call failed" + err.status + " " + err.statusText;
}
);
});
有效的代码如下:
[{"id":1,"name":"Chester" , "gender":"Male" , "salary":25000},
{"id":2,"name":"Mary" , "gender":"Female" , "salary":15000},
{"id":3,"name":"Tim " , "gender":"Male" , "salary":22000},
{"id":8,"name":"Wayne", "gender":"Male" , "salary":81231}]
<!DOCTYPE html>
<html>
<head>
<title></title>
<script src="Scripts/angular.js"></script>
<script src="Scripts/EmployeeAngular.js"></script>
<meta charset="utf-8" />
</head>
<body ng-app="MyModule">
<div ng-controller="MyController" ng-init="initController">
{{MadeItHereMessage}}
<table>
<thead>
<tr>
<th>ID</th>
<th>Name</th>
<th>Gender</th>
<th>Salary</th>
</tr>
</thead>
<tbody>
<tr ng-repeat="employee in employees">
<td>{{employee.id}}</td>
<td>{{employee.name}}</td>
<td>{{employee.gender}}</td>
<td>{{employee.salary}}</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title></title>
<script src="Scripts/angular.js"></script>
<script src="Scripts/EmployeeAngular.js"></script>
<meta charset="utf-8" />
</head>
<body ng-app="EmployeeApplication">
<div ng-controller="EmployeeController" ng-init="AngularInit()">
{{Message}}
<br/>
{{DisplayAction}}
<br />
<!--The following is for listing the entire list of employees-->
<div id="listSection" ng-show="DisplayAction=='List'">
<!--The employees data is: {{employees}}-->
<!--<div id="listSection">-->
<table>
<thead>List of defined Employees</thead>
<tr>
<!--<td><button id="btnCreateNew" type="button" value="Create Employee" ng-click="CreateNewEmployee()"></button></td>-->
</tr>
<tr>
<td ng-show="gotdata">
<table>
<thead>
<tr>
<th>ID</th>
<th>Name</th>
<th>Gender</th>
<th>Salary</th>
</tr>
</thead>
<tbody>
<tr ng-repeat="employee in employees">
<td>{{employee.id}}</td>
<td>{{employee.name}}</td>
<td>{{employee.gender}}</td>
<td>{{employee.salary}}</td>
</tr>
</tbody>
</table>
<!--<table id="EmployeeList">
<thead>
<tr>
<th>ID</th>
<th>Name</th>
<th>Gender</th>
<th>Salary</th>
</tr>
</thead>
<tbody>
<tr ng-repeat="for employee in employees">
<td>{{employee.id}}</td>
<td>{{employee.name}}</td>
<td>{{employee.gender}}</td>
<td>{{employee.salary}}</td>
<td><button type="button" value="Details" ng-click="ShowDetails({{employee.id}})"></button></td>
<td><button type="button" value="Delete" ng-click="DeleteEmployee({{employee.id}})"></button></td>
<td><button type="button" value="Edit" ng-click="EditEmployee({{employee.id}})"></button></td>
</tr>
</tbody>
</table>-->
</td>
</tr>
</table>
</div>
<!--The following is for listing the details of a single employee-->
<!--<div id="DetailsSection" ng-show="DisplayAction=='Details'">
<table>
<tr>
<td>ID:</td>
<td> <input id="DetailsID" value={{id}} /></td>
</tr>
<tr>
<td>Name:</td>
<td><input id="DetailsName" value={{name}} /> </td>
</tr>
<tr>
<td>Gender:</td>
<td><input id="DetailsGender" value={{gender}} /> </td>
</tr>
<tr>
<td>Salary:</td>
<td><input id="DetailsSalary" value={{salary}} /> </td>
</tr>
<tr>
<td>
<button id="NavTolist" type="button" value="Back to List" ng-click="DisplayList()"></button>
</td>
<td>
<button id="NavToDelete" type="button" value="Delete" ng-click="DeleteEmployee({{id}})"></button>
</td>
<td>
<button id="NavToEdit" type="button" value="Edit" ng-click="EditEmployee({{id}})"></button>
</td>
</tr>
</table>
</div>-->
<!--The following is for editing a employee-->
<!--<div id="EditSection" ng-show="DisplayAction=='Edit'">
<table>
<tr>
<td>ID:</td>
<td>
<input id="ID" value={{id}} />
</td>
</tr>
<tr>
<td>Name:</td>
<td><input id="" value={{name}} ng-bind="name" /> </td>
</tr>
<tr>
<td>Gender:</td>
<td><input id="" value={{gender}} ng-bind="gender" /> </td>
</tr>
<tr>
<td>Salary:</td>
<td><input id="" value={{salary}} ng-bind="salary" /> </td>
</tr>
<tr>
<td>
<button id="EditUpdate" type="button" value="Update" ng-click="EditUpdate()"></button>
</td>
<td>
<button id="NavTolistEdit" type="button" value="Back to List" ng-click="DisplayList()"></button>
</td>
<td>
<button id="NavToDeleteEdit" type="button" value="Delete" ng-click="DeleteEmployee({{id}})"></button>
</td>
</tr>
</table>
</div>-->
<!--The following is for verification of deletion-->
<!--<div id="DeletionSection" ng-show="DisplayAction=='Delete'">
<table>
<tr>
<td>Do you really want to delete {{name}}</td>
<td></td>
<td>
<button id="btnCancelDelete" type="button" value="No"></button>
</td>
<td>
<button id="btnDeleteEmployee" type="button" value="Yes" ng-click="DoDeleteEmployee({{id}})"></button>
</td>
</tr>
</table>
</div>-->
<!--The following is for creation of a employee-->
<!--<div id="CreationSection" ng-show="DisplayAction=='Create'">
<table>
<tr>
<td>Name:</td>
<td><input id="" value="" ng-bind="name" /> </td>
</tr>
<tr>
<td>Gender:</td>
<td><input id="" value="" ng-bind="gender" /> </td>
</tr>
<tr>
<td>Salary:</td>
<td><input id="" value="" ng-bind="salary" /> </td>
</tr>
<tr>
<td>
<button id="btnCreateEmployee" type="button" value="Delete" ng-click="CreateEmployee()"></button>
</td>
<td>
<button id="NavTolistEdit" type="button" value="Back to List" ng-click="DisplayList()"></button>
</td>
</tr>
</table>
</div>-->
</div>
</body>
</html>
var app = angular.module("EmployeeApplication", [])
.controller("EmployeeController",
function ($scope, $http) {
AngularInit();
function AngularInit()
{
//This will be called once per form load, via the ng-load function on the div
$scope.name = '';
$scope.gender = '';
$scope.salary = '';
$scope.id = '';
$scope.DisplayAction = '';
$scope.gotdata = false;
DisplayList();
}
function GetAllEmployees($http) {
//$scope.Message = 'NULL';
//$scope.employees = {};
$http.get('http://localhost:65315/api/employee').then(function (response) {
$scope.employees = response.data;
$scope.Message = 'OK';
$scope.go = true;
},
function (err) {
$scope.Message = 'Call failed' + err.status + ' ' + err.statusText;
$scope.employees = {};
$scope.gotdata = false;
}
);
window.setTimeout(function () {
$scope.gotdata = true;
}, 1000);
};
function DisplayList() {
//call the web service to get the list of people
//set the display action so that the list will be displayed
GetAllEmployees($http)
$scope.DisplayAction = 'List';
};
function CreateNewEmployee() {
$scope.name = '';
$scope.gender = '';
$scope.salary = '';
$scope.id = '';
$scope.DisplayAction = 'Create';
};
function ShowDetails(id) {
//call the web service to get the details of the person
//Set the $scope.CurrentEmployee
$scope.DisplayAction = 'Details';
};
function CreateEmployee() {
//perform the actual creation based on $scope.CurrentEmployee
//if successful
DisplayList();
};
function DeleteEmployee(id) {
$scope.DisplayAction = 'Delete';
};
function DoDeleteEmployee(id) {
//Perform actual deletion
//if successful
DisplayList();
};
function EditEmployee(id) {
//get the employee based on ID
$scope.DisplayAction = 'Edit';
};
function EditUpdate() {
//perform the actual update based on $scope.id
//if successful
DisplayList();
};
}
);
var app = angular.module("MyModule", []).controller("MyController", function ($scope, $http)
{
$scope.MadeItHereMessage = 'We made it to the controller (first controller)';
$scope.employees = {};
$http.get('http://localhost:65315/api/employee').then(function (response) {
$scope.employees = response.data;
$scope.Message = "OK";
},
function (err)
{
$scope.Message = "Call failed" + err.status + " " + err.statusText;
}
);
});
在获取http数据之前,将加载模板。因此,解决方案是在ressource加载ng if时显示模板 你能试试吗
<tr ng-repeat="employee in employees" ng-if="employees && employees!={undefined}">
在获取http数据之前,将加载模板。因此,解决方案是在ressource加载ng if时显示模板 你能试试吗
<tr ng-repeat="employee in employees" ng-if="employees && employees!={undefined}">
用
$timeout
服务替换对窗口的调用
//window.setTimeout(function () {
//Use $timeout service
$timeout(function() {
$scope.gotdata = true;
}, 1000);
$timeout
服务与AngularJS摘要周期正确集成。AngularJS框架不会立即看到使用setTimeout
对$scope
所做的更改
有关更多信息,请参见用$timeout
服务替换对窗口.setTimeout
的调用
//window.setTimeout(function () {
//Use $timeout service
$timeout(function() {
$scope.gotdata = true;
}, 1000);
$timeout
服务与AngularJS摘要周期正确集成。AngularJS框架不会立即看到使用setTimeout
对$scope
所做的更改
有关更多信息,请参见首先,您不需要将$http传递到“GetAllEmployees”函数中,因为它已经存在了
其次,我建议使用“$q”将响应保存到变量中 首先,您不需要将$http传递到“GetAllEmployees”函数中,因为它已经存在了
其次,我建议使用“$q”将响应保存到变量中 为什么有2个AngularInit()调用?一个在视图中,另一个在控制器中。因为在我看来,我的理解是,函数调用并没有被执行。我可以从代码中调用函数来执行初始化,这取决于具体情况?一个在视图中,另一个在控制器中。因为在我看来,我的理解是,函数调用并没有被执行。我可以从代码中调用函数来执行初始化,这取决于具体情况。首先包含超时函数的唯一原因是,我正在尝试尝试确定是否发生超时。但这是个好消息。谢谢一开始包含timeout函数的唯一原因是,我正在尝试尝试一些事情,以确定是否发生了超时。但这是个好消息。谢谢事实证明,这正是问题所在。干得好谢谢事实证明,这正是问题所在。干得好谢谢谢谢你的信息。我也会试试这个。ng if解决方案对我有效,我不知道$q函数。我知道我不需要在函数上放置$http,但我正在尽我所能让它工作。谢谢你提供的信息。我也会试试这个。ng if解决方案对我有效,我不知道$q函数。我知道我不需要在函数上放置$http,但我正在尽我所能让它工作。