File localDir = new File(localPath);

        if(!localDir.exists()){

            localDir.mkdirs();

        }

        File file = new File(localPath + fileName);

        if(!file.exists()){

            OutputStreamWriter writer = null;

            FileOutputStream fos = null;

            try {

                file.createNewFile();

                fos = new FileOutputStream(file);

                //需要UTF-8-BOM编码

                byte[] uft8bom={(byte)0xef,(byte)0xbb,(byte)0xbf};

                fos.write(uft8bom);

                writer = new OutputStreamWriter(fos, "UTF-8");

                writer.write(content);

                writer.flush();

            } catch (IOException e) {

                e.printStackTrace();

            } finally {

                try {

                    if(fos!=null){

                        fos.close();

                    }

                    if(writer!=null){

                        writer.close();

                    }

                } catch (IOException e) {

                    e.printStackTrace();

                }

            }

        }