[英]AngularJS issues with injecting a new service into my controller
我有一個新的userContext.js文件,它試圖創建一個新的服務權限“userService”。 該服務反過來將與服務器通信並返回一些環境設置以及用戶會話ID。
當我從我的dashboard.js調用它進入我的datacontext.js控制器時,這一切都正常工作; 但是我想為此實際創建一個服務。 然后,我將在每個用戶會話的整個生命周期中持久保存這些會話變量。
在我最初嘗試創建服務時,我遇到了很多注入器錯誤,例如:
Error: [ng:areq] Argument 'fn' is not a function, got string
我把它包含在我的index.html中:
<script src="app/services/userContext.js"></script>
這是一個儀表板控制器代碼段,我嘗試注入'userService' :
(function () {
'use strict';
var controllerId = 'dashboard';
angular.module('app').controller(controllerId, ['$scope', '$routeParams', '$location', 'common', 'datacontext', 'userService', dashboard]);
function dashboard($scope, $routeParams, $location, common, datacontext, userService) {
var getLogFn = common.logger.getLogFn;
var log = getLogFn(controllerId);
var vm = this;
getRzInitParams();
function getRzInitParams() {
log('Initializing Server Connection...');
var rzParams = "";
datacontext.getRzInitParams().then(function (data) {
rzParams = data;
initRz(data);
});
}
function initRz(data) {
var response;
datacontext.initRz().then(function (data) {
response = data[0].split(":")
if (response[1].match(/SUCCESS/g)) {
log('Server init returned ' + response[1].match(/SUCCESS/g));
openUserSession();
}
else {
log('Server init failed !');
}
});
}
}
})();
這是來自datacontext.js的片段:
(function () {
'use strict';
var serviceId = 'datacontext';
angular.module('app').factory(serviceId, ['$http', 'common', datacontext]);
function datacontext($http, common) {
var $q = common.$q;
var service = {
initRz: initRz,
openUserSession: openUserSession,
getRzInitParams: getRzInitParams
};
return service;
function initRz() {
domain = "localhost:"
port = "49479";
controllerpath = "/api/init";
space = "rz64698";
env = "rz64698";
cl_config = "C:\\Rz\\rz64698\\master\\bin\\cl_config.xml";
var url = "http://" + domain + port + controllerpath + "?space=" + space + "&environment=" + env + "&clConfig=" + cl_config;
var deferred = $q.defer();
deferred.notify("Getting init parameters...");
var retval = [];
$http({
method: 'GET',
encoding: 'JSON',
headers: {
'Access-Control-Allow-Origin': 'true'
},
withCredentials: true,
url: url
}).success(function (data, status, headers, config) {
retval = data;
deferred.resolve(retval);
});
return deferred.promise;
}
function getRzInitParams() {
var deferred = $q.defer();
var retval = [];
$http({
method: 'GET',
encoding: 'JSON',
url: 'breeze/breeze/GetRzEnv'
}).success(function (data, status, headers, config) {
retval = data;
deferred.resolve(retval);
});
return deferred.promise;
}
}
})();
最后我正在創建新的'userService'服務:
(function () {
'use strict';
var app = angular.module('app');
app.service('userService', '$http', function () {
// define private vars
var _rzEnvParams = [];
var _sessionID = '';
this.initrz = function(domain, port, controllerpath, space, env, clariteconfig) {
domain = "localhost:"
port = "49479";
controllerpath = "/api/init";
space = "rz64698";
env = "rz64698";
cl_config = "C:\\rz\\rz64698\\master\\bin\\clarite_config.xml";
var url = "http://" + domain + port + controllerpath + "?space=" + space + "&environment=" + env + "&clariteConfig=" + cl_config;
var deferred = $q.defer();
deferred.notify("Getting Rage init parameters...");
var retval = [];
$http({
method: 'GET',
encoding: 'JSON',
headers: {
'Access-Control-Allow-Origin': 'true'
},
withCredentials: true,
url: url
}).success(function (data, status, headers, config) {
retval = data;
deferred.resolve(retval);
});
return deferred.promise;
}
this.getrzInitParams = function () {
var deferred = $q.defer();
deferred.notify("Getting Rage init parameters...");
var retval = [];
$http({
method: 'GET',
encoding: 'JSON',
url: 'breeze/Rage/GetrzEnv'
}).success(function (data, status, headers, config) {
retval = data;
deferred.resolve(retval);
});
return deferred.promise;
}
this.openUserSession = function() {
domain = "localhost:"
port = "49479";
controllerpath = "/api/open";
user = "";
pass = "";
var url = "http://" + domain + port + controllerpath + "?userid=" + user + "&pass=" + pass;
var deferred = $q.defer();
deferred.notify("Opening user session...");
var retval = [];
$http({
method: 'GET',
encoding: 'JSON',
headers: {
'Access-Control-Allow-Origin': 'true'
},
withCredentials: true,
url: url
}).success(function (data, status, headers, config) {
retval = data;
deferred.resolve(retval);
});
return deferred.promise;
}
this.closeUserSession = function(domain, port, controllerpath) {
}
});
})();
如果要注入某些服務,則應使用以下語法之一
如果你只需要角度服務
app.service('userService', function ($http) {
...
如果你需要定制服務
app.service('myService', ['$http', 'myOtherService', function($http, myOtherService) {
...
}])
app.service('userService', '$http', function () {
應該是這樣的
app.service('userService', function ($http) {
希望這會奏效
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