Javascript 无法从下载文件夹中附加.pdf、.doc、.docs、xlsx、.csv、.ppt、.zip文件
我正在尝试从我的移动设备（三星）的下载文件夹中附加文件，但执行此操作时使用的checkFile（）函数给出错误信息。下面是我的代码：Javascript 无法从下载文件夹中附加.pdf、.doc、.docs、xlsx、.csv、.ppt、.zip文件,javascript,angular,file,ionic-framework,Javascript,Angular,File,Ionic Framework,我正在尝试从我的移动设备（三星）的下载文件夹中附加文件，但执行此操作时使用的checkFile（）函数给出错误信息。下面是我的代码： if (self.network.checkInternetConnection()) { // window.FilePath.resolveNativePath('content://...', this.readFile, errorCallback); self.fileChooser.open().then
if (self.network.checkInternetConnection()) {
// window.FilePath.resolveNativePath('content://...', this.readFile, errorCallback);
self.fileChooser.open().then((path: any) => {
console.log(path);
console.log("fileChooser successCallback");
(window as any).FilePath.resolveNativePath(path, function (path: any) {
let a = path.split('/');
let fileName = a.pop();
let fileObj = self.fileService.getFileNameExt(fileName);
let onlyName = fileObj.onlyName;
let ext = fileObj.ext;
let p = a.join().replace(/,/g, "/");
p = p + "/";
console.log(p, fileName);
self.file.checkFile(p, fileName)
.then(function (suc) {
self.file.readAsBinaryString(p, fileName)
.then(function (success: any) {
console.log("readAsBinaryString success");
let flag = true;
_.each(self.attachments, function (att: any) {
if (att.docName == onlyName) {
flag = false;
console.log("Attachment already exits");
let toast = self.toastCtrl.create({
message: attErr,
dismissOnPageChange: true,
position: 'bottom',
duration: 5000,
});
toast.onDidDismiss(() => {
console.log('Dismissed toast');
});
toast.present();
}
});
if (flag) {
self._zone.run(() => {
/* self.attachments.push({
docName: onlyName,
docType: ext,
document: btoa(success),
}); */
console.log('makeAnnoucement line no. 573 ::',self.calculateImageSize(btoa(success)));
self.fileSize = self.calculateImageSize(btoa(success));
self.attachments.push({
fileName: onlyName,
fileExtension: ext,
data: btoa(success),
fileSize: self.fileSize,
});
self.attachments.forEach(item => {
self.finalSize += item.fileSize;
})
});
}
}).catch(function (error) {
console.log("readAsBinaryString fail", error);
});
}).catch(function (err) {
console.log("checkFile false");
console.log(err);
console.log(JSON.stringify(err));
});
}, self.failureCallback);
}, this.failureCallback);
}