我一直在尝试使用cordova 将名为versions.txt 的文件从applicationDirectory 复制到externalApplicationStorageDirectory,但代码失败。
这是代码
var path = cordova.file.applicationDirectory + "www/Data/versions.txt";
window.resolveLocalFileSystemURL(path,
function gotFile(fileEntry)
{
window.requestFileSystem(LocalFileSystem.PERSISTENT, 0,
function onSuccess(fileSystem)
{
var directory = new DirectoryEntry("versions.txt", path);
fileEntry.copyTo(directory, 'versions.txt',
function()
{
alert('copying was successful')
},
function()
{
alert('unsuccessful copying')
});
}, null);
},null);
有什么帮助吗?
最佳答案
fileEntry.copyTo 不知何故总是出错,所以我尝试了 fileEntry.moveTo 如下,这对我将任何文件从 www 复制到 iOS 设备的 Library 文件夹中效果很好。
function copyToLocation(fileName){
console.log("Copying :"+fileName);
window.resolveLocalFileSystemURL(cordova.file.applicationDirectory+"www/"+fileName,function (fileEntry)
{
window.resolveLocalFileSystemURL(cordova.file.dataDirectory,function (directory)
{
fileEntry.moveTo(directory, 'new_fileName.txt',function(){
alert('Successful Copy!');
},
function()
{
alert('Copying Unsuccessful ');
});
},null);
}, null);
}
关于cordova - 使用 Cordova 复制文件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31548292/