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我想将一个简单的文本“你好”保存到使用phonegap filewriter API的文件中。我和一些书一起检查了在线文档(20个phonegap的食谱),但它仍然给我一个错误警报。下面是我的代码:Phonegap javascript文件保存
function SavetoFile(name, surname, mobilenumber, email, language, addressline1, addressline2, locality){
var fileWriter;
saveFile();
function onLoad(){
window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, onFSComplete, fail);
}
function onFSComplete(fileSystem){ // load file, create it if it doesn't exist
fileSystem.root.getFile("userdetails.txt", {create:true}. onFileEntryComplete, fail);
}
function onFileEntryComplete(fileEntry){ // set up a file writer
fileEntry.createWriter(onFileWriterComplete, fail);
}
function onFileWriterComplete(fileWriter){ // store the file writer in a global variable for when user presses save
fileWriter = fileWriter;
}
function saveFile(){
if(fileWriter != null){
fileWriter.onwrite = function(evt){
alert("Details Saved Successfully");
}
var fileline = "Hello";
fileWriter.write(fileline);
}
else{
alert("There was an error trying to save the file");
}
return false;
}
function fail(error) {
alert(error.code);
}
}
我打电话的主要功能的SaveToFile()和传递不同的参数。但是在使用它们之前,我想通过保存单词“Hello”来进行较小规模的测试,因此我在主函数中调用另一种方法saveFile()。这仍然给我一个错误信息。任何想法问题的根源可能是什么?