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！");
}
}