- 在promise axios.all中找不到数据
-
问题是（this.form.tasks都没有其他数据）在promise中找不到（）
与axios.all。
除了它的工作承诺，但不在里面。 我收到错误：</ p>未捕获（在承诺中）TypeError：无法读取null的属性'form'</ p>
</ blockquote>axios.all（[
axios.get（'/ tasks /'+ this.token_proj），
axios.get（'/ keywords /'+ this.token_proj），
axios.get （'/getTasks/'+this.token_proj),,n axios.get(/ discussion / $ {this.token_proj} / $ {this.form.page}）
]）
.then（axios。 spread（function（tasksResponse，keywordsResponse，getTasksResponse，discResponse）{console.log（'tasks'，tasksResponse.data）;
console.log（'keyword'，keywordsResponse.data）;
console.log （'getrask'，getTasksResponse.data）;
console.log（'disc'，discResponse.data）;this.form.tasks = tasksResponse.data;
}）） ;
</ code> </ pre>任务变量在数据中设置并存在。 我使用Vuejs和axios vform。</ p>
data（）{
return {
form：new Form（{tasks：[]，
tasks_management： []，
讨论：{}，
用户：[]，
关键字：[]，}）
}
}
</ code> </ pre>
</ DIV>
展开原文
原文
Problem is that (this.form.tasks neither other data) cannot be found in the promise then() with axios.all. Outside the promise it works but not inside. I get the error :
Uncaught (in promise) TypeError: Cannot read property 'form' of null
axios.all([
axios.get('/tasks/'+this.token_proj),
axios.get('/keywords/'+this.token_proj),
axios.get('/getTasks/'+this.token_proj),
axios.get(`/discussion/${this.token_proj}/${this.form.page}`)
])
.then(axios.spread(function (tasksResponse, keywordsResponse,getTasksResponse,discResponse) {
console.log('tasks', tasksResponse.data);
console.log('keyword', keywordsResponse.data);
console.log('getrask', getTasksResponse.data);
console.log('disc', discResponse.data);
this.form.tasks = tasksResponse.data;
}));
The tasks variable is set in data and exist. I use Vuejs and axios vform.
data(){
return{
form: new Form({
tasks:[],
tasks_management:[],
discuss:{},
users:[],
keywords:[],
})
}
}
-
- duanqin7791 它完美地感谢你@HusamIbrahim！
- 一年多之前 回复
Instead of aliasing this consider using the fat arrow function to retain the scope of this inside of the anonymous callback:
.then(axios.spread((tasksResponse, keywordsResponse,getTasksResponse,discResponse) => {
//this is now scoped correctly.
}))
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2018-07-06<div class="post-text" itemprop="text"> <p><strong>Please i need help with an application am developing with Laravel 5.6 and Vue 2</strong></p> <p>I have setup my laravel passport laravel-cors, vue-resource, vue-router etc. I can successfully generate login and generate access tokens. I have also included the token to all http requests by adding this to the main.js file</p> <p></p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false"> <div class="snippet-code"> <pre class="snippet-code-js lang-js prettyprint-override"><code>Vue.http.headers.common['Authorization'] = 'Bearer ' + Vue.auth.getToken() </code></pre> </div> </div> <p>I can successful make calls to the laravel api endpoints that are not protected.</p> <p>However, immediately i protect my laravel routes with the Auth:api middleware, and attempt accessing the route, it keeps returning "<strong>401 Unauthenticated</strong>" as the response. Funny enough when i use chrome debugging tool, under network, under XMR, it appears that the token was even passed sucessfully to the header yet am unauthenticated.</p> <p>Below is my protected API routes</p> <pre><code>Route::group(['middleware' => 'auth:api'], function(){ Route::get('test', function (){ return response()->json( [ 'user' => [ 'name' => 'christian', 'address' => 'None' ] ] ); }); }); Route::middleware('auth:api')->get('/user', function (Request $request) { return $request->user(); }); </code></pre> <p>AM using the code below to call the protected API endpoint</p> <pre><code>created(){ this.$http.get('api/user').then(response => { console.log(response) }); }, </code></pre> <p>See Response</p> <pre><code>Request URL: http://127.0.0.1:8000/api/user Request Method: GET Status Code: 401 Unauthorized Remote Address: 127.0.0.1:8000 Referrer Policy: no-referrer-when-downgrade Access-Control-Allow-Origin: http://localhost:8080 Cache-Control: no-cache, private Connection: close Content-Type: application/json Date: Fri, 06 Jul 2018 19:53:25 +0000, Fri, 06 Jul 2018 19:53:25 GMT Host: 127.0.0.1:8000 Transfer-Encoding: chunked Vary: Origin X-Powered-By: PHP/7.1.8 X-RateLimit-Limit: 60 X-RateLimit-Remaining: 59 Provisional headers are shown Accept: application/json, text/plain, */* Authorization: Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImp0aSI6Ijk1YzEwN2MyMDc4ZTFjZjZiOTRjNjljMTBhYzE0MjZkMjFlNjQ0N2Y0NzRlZTczNDNiM2UwYzdkOTAyZTgzNDM3Y2QwYmRhZWE3MGNmNTZmIn0.eyJhdWQiOiIyIiwianRpIjoiOTVjMTA3YzIwNzhlMWNmNmI5NGM2OWMxMGFjMTQyNmQyMWU2NDQ3ZjQ3NGVlNzM0M2IzZTBjN2Q5MDJlODM0MzdjZDBiZGFlYTcwY2Y1NmYiLCJpYXQiOjE1MzA4OTcxMDUsIm5iZiI6MTUzMDg5NzEwNSwiZXhwIjoxNTYyNDMzMTA1LCJzdWIiOiIxIiwic2NvcGVzIjpbXX0.APtSR0gYvi6ocvM-_qnFLVZDUdYVoU9jTvb-1QFi2QqsQ_4x1H2t9aVj7kBMhgarKDgadsliqd0gPEfXLzQncFblOgNfjmvk4KzuHfjNQV0t4CfVPJgiuttUReeYwfr3oz7ecOyjxpbJRWyOZLjBB270HuKMjELTZI2ome3PpzTmqBvuNmIscFOKGIYUC7Jz8oN6hC0HMhFqXXp9pRwkv4zBzcFI2qHO75OxdWZWrN97hx6VslYolt0SNJvJEhKW-3Kc3NHuF5vYFihlP6I9ACEnOl1U8sV8pCfg3El0Hr4kJNxVQSHhcimx-dvb9Xz2xOeXyoilbmzW4QCR58y12SpsF6Rpk2nS4kTK8u_-wzgaeHY33ot2OnL61R_fsZ7jH3TCWyVGPY-zVhw1sm6YYwe4l43R6e7SR03s6BVgla0vgr1Ger7r7dqa5DDiIW8hlQLUYawf9d2IFe4Q1WtwWxTNW6Dy8tSeI33ndZUowjoqy1u0oMTJIhdg3N9PRZppgNyyJZxCj7gKK3wYXuysrT4SnQDJ6DZpPyEQ2c-xv2cuhZJtA_jS194sdnXJOYEusL3sJVScc_8ztyjgVF9niky66OVue31FL2dyTsP0jRmhJ5bX775PVRvaO6EN3WxCuxXpNFv3GHyfzxGJo3beWF_NgkTkOXZadX90l8gbx-0 Origin: http://localhost:8080 Referer: http://localhost:8080/ User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36 </code></pre> </div>
如何让axios使用服务器端缓存？_course
2018-11-06<div class="post-text" itemprop="text"> <p>I am currently buiding an application with a Laravel API and a Vuejs frontend. For the API I am using the <code>spatie/laravel-responsecache</code> package to handle caching.</p> <p>If I visit a url directly e.g. <code>http://api.mysite.com/users</code> then it fetches the data and caches it correctly.</p> <p>However, if a url e.g. <code>http://api.mysite.com/messages</code> (one that I have not directly visited) is fetched via axios on the frontend, it is not cached. Again, if I then go and visit it directly, its cached, and then if I fetch it from the frontend it is cached.</p> <p>How can I force axios to use the server side caching without me having to preload the url?</p> </div>
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