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我在將我的base64圖像從phonegap(ios)發送到firebase存儲時遇到問題。主要問題是firebase存儲只接受BLOB或文件作爲附件。將base64映像發送到Firebase存儲電話號碼
繼承人我的代碼相機功能。科爾多瓦 - 插件相機
function GetCamera(){
navigator.camera.getPicture(cameraSuccess, cameraError, {quality :50,
destinationType: Camera.DestinationType.DATA_URL,
encodingType: Camera.EncodingType.JPEG,
saveToPhotoAlbum: true});}
功能轉換基地64成團塊
function b64toblob(b64_data, content_type) {
content_type = content_type || '';
var slice_size = 512;
var byte_characters = atob(b64_data);
var byte_arrays = [];
for(var offset = 0; offset < byte_characters.length; offset += slice_size) {
var slice = byte_characters.slice(offset, offset + slice_size);
var byte_numbers = new Array(slice.length);
for(var i = 0; i < slice.length; i++) {
byte_numbers[i] = slice.charCodeAt(i);
}
var byte_array = new Uint8Array(byte_numbers);
byte_arrays.push(byte_array);
}
var blob = new Blob(byte_arrays, {type: content_type});
return blob;};
相機成功的功能。需要注意的是imageblob是一個全局變量
function cameraSuccess(imageData){
document.getElementById('Attachment1').innerHTML = "Attachment: True";
var image = imageData;
imageblob = b64toblob(image,"image/jpeg");}
把BLOB以火力存儲
try{
var storageRef = storage.ref().child('fire');
var uploadTask = storageRef.put(imageblob);
uploadTask.on('state_changed',null, null, function(){
var downloadURL = uploadTask.snapshot.downloadURL;
console.log("downloadURL :"+downloadURL);
});
我已經嘗試每一件事情,但它不工作。真的需要你的傢伙幫助..我沒有想法