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楼主 |
发表于 2016-12-2 14:10:14
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cordova 官方提供的文件 写入代码 没有参数嫩各指定 路径
window.requestFileSystem(window.TEMPORARY, 5 * 1024 * 1024, function (fs) {
console.log('file system open: ' + fs.name);
createFile(fs.root, "newTempFile.txt", false);
}, onErrorLoadFs);
function createFile(dirEntry, fileName, isAppend) {
// Creates a new file or returns the file if it already exists.
dirEntry.getFile(fileName, {create: true, exclusive: false}, function(fileEntry) {
writeFile(fileEntry, null, isAppend);
}, onErrorCreateFile);
}
function writeFile(fileEntry, dataObj) {
// Create a FileWriter object for our FileEntry (log.txt).
fileEntry.createWriter(function (fileWriter) {
fileWriter.onwriteend = function() {
console.log("Successful file write...");
readFile(fileEntry);
};
fileWriter.onerror = function (e) {
console.log("Failed file write: " + e.toString());
};
// If data object is not passed in,
// create a new Blob instead.
if (!dataObj) {
dataObj = new Blob(['some file data'], { type: 'text/plain' });
}
fileWriter.write(dataObj);
});
} |
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