为何不能把String 写入文件?
//create a new file
File file=new File(folder,tempName);
FileWriter fw=new FileWriter(folder + "/"+tempName+".csv");
//write to file
fw.write("please");
用UltraEdit打开刚刚新建的文件,发现文件是空的。
也试着用
BufferedWriter out = new BufferedWriter(fw);
out.write("please");
同样无法写入文件
请高手们赐教!!!