将JSON对象另存为AngularJS中的文件

Question

I wanted to know if there was any way to save a JSON object as a .json file in the project directory. I have a form and each time a user fills it, I want the JSON file to be appended. I'm currently using AngularJS only.

Answer 1

AngularJS is just JavaScript, so use any methods that let you save files with JS ( it's better to do it with backend like PHP ). One of such methods is FileSaver.js (uses HTML5 features).

Here is a working demo:

 var app = angular.module('myApp', []); app.controller('myCtrl', function($scope) { $scope.myJSON = { "A": "B" }; $scope.saveJSON = function(json) { var jsonse = JSON.stringify(json); var blob = new Blob([jsonse], { type: "application/json" }); $scope.filename = $scope.filename || "my_json"; saveAs(blob, $scope.filename + ".json"); } }); 

 <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.8/FileSaver.min.js"></script> <div ng-app="myApp" ng-controller="myCtrl"> Some JSON: <pre> {{myJSON | json}} </pre> File Name: <input type="text" ng-model="filename" /><br> <button ng-click="saveJSON(myJSON)">Save</button> </div> 

OR you can send a request to the backend like PHP with

$http.post("createJSON.php",json).then((res)=>{...}, (err)=>{...})

And receive with:

<?php
$dataReceived = file_get_contents('php://input');
$myFile = json_decode( $dataReceived );

$path = $myFile->path; // path to store it in
$name = $myFile->name; // file name
$JSON = $myFile->json; // content

# Storing file
$file = fopen($path.$name.".json", 'w');
fwrite($file, $JSON);
fclose($file);
?>

Answer 2

you can't save files to the disk just with javascript. maybe you really need nodejs,and use the fs module. Is it possible to write data to file using only JavaScript?