import java.io.*; /**  * Created by tang on 14-3-1.  */ public class JsonUtils {     //从给定位置读取Json文件     public static String readJson(String path){         //从给定位置获取文件         File file = new File(path);         BufferedReader reader = null;         //返回值,使用StringBuffer         StringBuffer data = new StringBuffer();         //         try {             reader = new BufferedReader(new FileReader(file));             //每次读取文件的缓存             String temp = null;             while((temp = reader.readLine()) != null){                 data.append(temp);             }         } catch (FileNotFoundException e) {             e.printStackTrace();         } catch (IOException e) {             e.printStackTrace();         }finally {             //关闭文件流             if (reader != null){                 try {                     reader.close();                 } catch (IOException e) {                     e.printStackTrace();                 }             }         }         return data.toString();     }     //给定路径与Json文件，存储到硬盘     public static void writeJson(String path,Object json,String fileName){         BufferedWriter writer = null;         File file = new File(path + fileName + ".json");         //如果文件不存在，则新建一个         if(!file.exists()){             try {                 file.createNewFile();             } catch (IOException e) {                 e.printStackTrace();             }         }         //写入         try {             writer = new BufferedWriter(new FileWriter(file));             writer.write(json.toString());         } catch (IOException e) {             e.printStackTrace();         }finally {             try {                 if(writer != null){                     writer.close();                 }             } catch (IOException e) {                 e.printStackTrace();             }         } //        System.out.println("文件写入成功！");     } }