Json讀寫當地文件完成代碼

Json讀寫當地文件完成代碼。本站提示廣大學習愛好者：（Json讀寫當地文件完成代碼）文章只能為提供參考，不一定能成為您想要的結果。以下是Json讀寫當地文件完成代碼正文

import java.io.*;

/**
 * Created by tang on 14-3-1.
 */
public class JsonUtils {

    //從給定地位讀取Json文件
    public static String readJson(String path){
        //從給定地位獲得文件
        File file = new File(path);
        BufferedReader reader = null;
        //前往值,應用StringBuffer
        StringBuffer data = new StringBuffer();
        //
        try {
            reader = new BufferedReader(new FileReader(file));
            //每次讀取文件的緩存
            String temp = null;
            while((temp = reader.readLine()) != null){
                data.append(temp);
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            //封閉文件流
            if (reader != null){
                try {
                    reader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return data.toString();
    }

    //給定途徑與Json文件，存儲到硬盤
    public static void writeJson(String path,Object json,String fileName){
        BufferedWriter writer = null;
        File file = new File(path + fileName + ".json");
        //假如文件不存在，則新建一個
        if(!file.exists()){
            try {
                file.createNewFile();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        //寫入
        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("文件寫入勝利！");
    }
}