package com.file.run;import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.util.UUID;/** * @author 夕橘子-O* @version 2016年7月8日 上午10:38:49 */public class ForFile {//生成文件路徑private static String path = "D://file//";//文件路徑+名稱private static String filenameTemp;/*** 創建文件* @param fileName 文件名稱* @param filecontent 文件內容* @return 是否創建成功，成功則返回true*/public static boolean createFile(String fileName,String filecontent){Boolean bool = false;filenameTemp = path+fileName+".txt";//文件路徑+名稱+文件類型File file = new File(filenameTemp);try {//如果文件不存在，則創建新的文件if(!file.exists()){file.createNewFile();bool = true;System.out.println("success create file,the file is "+filenameTemp);//創建文件成功后，寫入內容到文件里writeFileContent(filenameTemp, filecontent);}} catch (Exception e) {e.printStackTrace();}return bool;}/*** 向文件中寫入內容* @param filepath 文件路徑與名稱* @param newstr 寫入的內容* @return* @throws IOException*/public static boolean writeFileContent(String filepath,String newstr) throws IOException{Boolean bool = false;String filein = newstr+"/r/n";//新寫入的行，換行String temp = "";FileInputStream fis = null;InputStreamReader isr = null;BufferedReader br = null;FileOutputStream fos = null;PrintWriter pw = null;try {File file = new File(filepath);//文件路徑(包括文件名稱)//將文件讀入輸入流fis = new FileInputStream(file);isr = new InputStreamReader(fis);br = new BufferedReader(isr);StringBuffer buffer = new StringBuffer();//文件原有內容for(int i=0;(temp =br.readLine())!=null;i++){buffer.append(temp);// 行與行之間的分隔符 相當于“/n”buffer = buffer.append(System.getProperty("line.separator"));}buffer.append(filein);fos = new FileOutputStream(file);pw = new PrintWriter(fos);pw.write(buffer.toString().toCharArray());pw.flush();bool = true;} catch (Exception e) {// TODO: handle exceptione.printStackTrace();}finally {//不要忘記關閉if (pw != null) {pw.close();}if (fos != null) {fos.close();}if (br != null) {br.close();}if (isr != null) {isr.close();}if (fis != null) {fis.close();}}return bool;}/*** 刪除文件* @param fileName 文件名稱* @return*/public static boolean delFile(String fileName){Boolean bool = false;filenameTemp = path+fileName+".txt";File file = new File(filenameTemp);try {if(file.exists()){file.delete();bool = true;}} catch (Exception e) {// TODO: handle exception}return bool;}public static void main(String[] args) {UUID uuid = UUID.randomUUID();createFile(uuid+"myfile", "我的夢說別停留等待,就讓光芒折射淚濕的瞳孔,映出心中最想擁有的彩虹,帶我奔向那片有你的天空,因為你是我的夢 我的夢");}}