#Vuejs 2.0 教程：与后端 API 进行交互
api.php
```
Route::post('/todo/create', function (Request $request) {
$data = ['title' => $request->get('title')];
$todo = App\Todo::create($data);
return $todo;
})->middleware('api', 'cors');
Route::patch('/todo/{id}/completed', function ($id) {
$todo = App\Todo::find($id);
$todo->completed = !$todo->completed;
$todo->save();
return $todo;
})->middleware('api', 'cors');
Route::patch('/todo/{id}/delete', function ($id) {
$todo = App\Todo::find($id);
$todo->delete();
return response()->json(['deleted']);
})->middleware('api', 'cors');
```
TodoForm.vue
```
addTodo(newTodo){
this.axios.post('http://laravel-package.dev/api/todo/create', {title: this.newTodo.title}).then(response => {
console.log(response.data);
this.todos.push(response.data);
this.newTodo = {id: null, title: '', completed: false};
});
}
```
Todos.vue
```
deleteTodo(index){
this.axios.patch('http://laravel-package.dev/api/todo/' + this.todos[index].id + '/delete').then(response => {
console.log(response.data);
this.todos.splice(index, 1);
});
},
toggleCompletion(todo){
this.axios.patch('http://laravel-package.dev/api/todo/' + todo.id + '/completed').then(response => {
console.log(response.data);
todo.completed = !todo.completed;
});
}
```
