复制代码 代码如下:

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！");

}

}