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在项目定义了两个服务,获取task和project,如果在controller中一起获取他们的数据然后进行赋值呢?目前我是通过
task
project
jstaskService.get({id:id},function(data1){ //... projectService.get({id:id},function(data2){ //里面赋值的操作很长 ... }) })
js
taskService.get({id:id},function(data1){ //... projectService.get({id:id},function(data2){ //里面赋值的操作很长 ... }) })
请问大神们采用$q的方式应该如何写,还有我在很多地方会用到这个获取数据的操作,如何让他们复用呢?谢谢
Written according to your requirements, you can see the code below:
javascriptmyApp.controller("MyController", ["$q", "taskService", "projectService", function($q, taskService, projectService){ var deferred = $q.defer(); var promise = deferred.promise; deferred.resolve( // 获取你要处理的对象 var result = yourMethod.get({id: id}); ); deferred.reject( // 获取不到是打印错误 ) promise.then(function(result){ // 如果经过taskService处理的数据还需要projectService进行处理的话,返回这个结果 var obj = taskService.func(result); return obj; },function(error){ // 错误处理 }) .then(function(result){ // 用projectService处理获取到的对象 projectService.func(result); },function(error){ // 错误处理 }); }]);
javascript
myApp.controller("MyController", ["$q", "taskService", "projectService", function($q, taskService, projectService){ var deferred = $q.defer(); var promise = deferred.promise; deferred.resolve( // 获取你要处理的对象 var result = yourMethod.get({id: id}); ); deferred.reject( // 获取不到是打印错误 ) promise.then(function(result){ // 如果经过taskService处理的数据还需要projectService进行处理的话,返回这个结果 var obj = taskService.func(result); return obj; },function(error){ // 错误处理 }) .then(function(result){ // 用projectService处理获取到的对象 projectService.func(result); },function(error){ // 错误处理 }); }]);
If you want to reuse it, you can treat the whole thing as a service. Since I don’t know your specific code, it’s hard to say.
You can add a method to the service, and it will be OK to get two at the same time, for example:
js// someService 中 伪代码 someService.getAll = function(id) { var pmo = $q.all([taskService.get({id:id}), projectService.get({id:id})]); // 根据情况，可以写下边的代码，也可以直接返回这个pro pmo.then(....) }
// someService 中 伪代码 someService.getAll = function(id) { var pmo = $q.all([taskService.get({id:id}), projectService.get({id:id})]); // 根据情况，可以写下边的代码，也可以直接返回这个pro pmo.then(....) }
taskService.sub1 = function(post_data, callback) { projectService.get(post_data, function(rsp){ if(angular.isFunction(callback)) { callback(rsp); } } } taskService.sub1({ id : 1 }, function(rsp){ //里面赋值的操作很长 });
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Written according to your requirements, you can see the code below:
If you want to reuse it, you can treat the whole thing as a service. Since I don’t know your specific code, it’s hard to say.
You can add a method to the service, and it will be OK to get two at the same time, for example: