本文整理汇总了TypeScript中tns-core-modules/file-system.File类的典型用法代码示例。如果您正苦于以下问题：TypeScript File类的具体用法？TypeScript File怎么用？TypeScript File使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了File类的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: function
export var test_XmlParser_IntegrationTest = function () {
var actualResult = "";
var xmlParser = new xmlModule.XmlParser(function (event: xmlModule.ParserEvent) {
if (event.eventType === xmlModule.ParserEventType.Text && event.data.trim() === "") {
// Ignore ignorable whitespace.
return;
}
actualResult += event.toString();
});
var file = fs.File.fromPath(fs.path.join(__dirname, "xml.xml"));
var xmlString = file.readTextSync();
xmlString = xmlString.replace(/(\r\n|\n|\r)/gm, "\n");
xmlParser.parse(xmlString);
var expectedResult: string;
file = fs.File.fromPath(fs.path.join(__dirname, "xml.expected"));
expectedResult = file.readTextSync();
var i;
var maxLength = Math.max(actualResult.length, expectedResult.length);
for (i = 0; i < maxLength; i++) {
var actualChar;
var actualCharCode;
if (i <= actualResult.length) {
actualChar = actualResult.charAt(i);
actualCharCode = actualResult.charCodeAt(i);
}
else {
actualChar = "undefined";
actualCharCode = "undefined";
}
var expectedChar;
var expectedCharCode;
if (i <= expectedResult.length) {
expectedChar = expectedResult.charAt(i);
expectedCharCode = expectedResult.charCodeAt(i);
}
else {
expectedChar = "undefined";
expectedCharCode = "undefined";
}
TKUnit.assert(actualCharCode === expectedCharCode, "At index " + i + ": Actual character is " + actualChar + "[" + actualCharCode + "]; Expected character is: " + expectedChar + "[" + expectedCharCode + "]");
}
};示例2: testSaveToFile_WithQuality
export function testSaveToFile_WithQuality() {
const img = imageSource.fromFile(imagePath);
const folder = fs.knownFolders.documents();
const path = fs.path.join(folder.path, "test.png");
const saved = img.saveToFile(path, "png", 70);
TKUnit.assert(saved, "Image not saved to file");
TKUnit.assert(fs.File.exists(path), "Image not saved to file");
}示例3: test_MultiParserTemplate
export function test_MultiParserTemplate() {
const file = fs.File.fromPath(fs.path.join(__dirname, "itemTemplates.xml"));
const xml = file.readTextSync();
const view: any = builder.parse(xml);
TKUnit.assertNotNull(view.items)
TKUnit.assertEqual(view.items.length, 1);
}示例4: function
export var test_file_exists_on_folder = function () {
var path = fs.path.join(__dirname, "folder");
if (!fs.Folder.exists(path)) {
TKUnit.assert(false, `Could not read path ${path}`);
return;
}
TKUnit.assertTrue(fs.File.exists(path), "File.exists() returned false for folder!");
};示例5: testSaveToFile
export function testSaveToFile() {
// >> imagesource-save-to
const img = imageSource.fromFile(imagePath);
const folder = fs.knownFolders.documents();
const path = fs.path.join(folder.path, "test.png");
const saved = img.saveToFile(path, "png");
// << imagesource-save-to
TKUnit.assert(saved, "Image not saved to file");
TKUnit.assert(fs.File.exists(path), "Image not saved to file");
}示例6: testFromFile
export function testFromFile() {
// >> imagesource-load-local
const folder = fs.knownFolders.documents();
const path = fs.path.join(folder.path, "test.png");
const img = imageSource.fromFile(path);
// << imagesource-load-local
TKUnit.assert(img.height > 0, "image.fromResource failed");
// remove the image from the file system
const file = folder.getFile("test.png");
file.remove();
TKUnit.assert(!fs.File.exists(path), "test.png not removed");
}示例7: Promise
return new Promise((resolve, reject) => {
try {
const storageRef = getStorageRef(reject, arg);
if (!storageRef) {
return;
}
const storageReference = storageRef.child(arg.remoteFullPath);
const onSuccessListener = new com.google.android.gms.tasks.OnSuccessListener({
onSuccess: uploadTaskSnapshot => {
const metadata = uploadTaskSnapshot.getMetadata();
resolve({
name: metadata.getName(),
contentType: metadata.getContentType(),
created: new Date(metadata.getCreationTimeMillis()),
updated: new Date(metadata.getUpdatedTimeMillis()),
bucket: metadata.getBucket(),
size: metadata.getSizeBytes(),
// url: metadata.getDownloadUrl().toString()
});
}
});
const onFailureListener = new com.google.android.gms.tasks.OnFailureListener({
onFailure: exception => {
reject("Upload failed. " + exception);
}
});
const onProgressListener = new com.google.firebase.storage.OnProgressListener({
onProgress: snapshot => {
if (typeof(arg.onProgress) === "function") {
const fractionCompleted = snapshot.getBytesTransferred() / snapshot.getTotalByteCount();
arg.onProgress({
fractionCompleted: fractionCompleted,
percentageCompleted: Math.round(fractionCompleted * 100)
});
}
}
});
if (arg.localFile) {
if (typeof(arg.localFile) !== "object") {
reject("localFile argument must be a File object; use file-system module to create one");
return;
}
// using 'putFile' (not 'putBytes') so Firebase can infer the mimetype
const localFileUrl = android.net.Uri.fromFile(new java.io.File(arg.localFile.path));
storageReference.putFile(localFileUrl)
.addOnFailureListener(onFailureListener)
.addOnSuccessListener(onSuccessListener)
.addOnProgressListener(onProgressListener);
/*
var error;
var contents = arg.localFile.readSync(e => { error = e; });
if (error) {
reject("Error reading file " + arg.localFile + ": " + error);
return;
}
var uploadDataTask = storageReference.putBytes(contents)
.addOnFailureListener(onFailureListener)
.addOnSuccessListener(onSuccessListener)
.addOnProgressListener(onProgressListener);
*/
} else if (arg.localFullPath) {
if (!File.exists(arg.localFullPath)) {
reject("File does not exist: " + arg.localFullPath);
return;
}
const localFileUrl = android.net.Uri.fromFile(new java.io.File(arg.localFullPath));
storageReference.putFile(localFileUrl)
.addOnFailureListener(onFailureListener)
.addOnSuccessListener(onSuccessListener)
.addOnProgressListener(onProgressListener);
} else {
reject("One of localFile or localFullPath is required");
}
} catch (ex) {
console.log("Error in firebase.uploadFile: " + ex);
reject(ex);
}
});示例8: fileExists
public fileExists(path: string): boolean {
return File.exists(path);
}