Json格式文件读写

Json格式文件读写操作记录

package ;

import .*;

/**
 * Created by LucienWong on 16-11-16.
 */
public class JsonUtils {
	
	/**
	 * 从给定路径读取Json文件
	 * 
	 */ 
	public static String readJson(String path) {
		("读取Json文件");
		// 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 = ()) != null) {
				(temp);
			}
		} catch (FileNotFoundException e) {
			();
		} catch (IOException e) {
			();
		} finally {
			// 关闭文件流
			if (reader != null) {
				try {
					();
				} catch (IOException e) {
					();
				}
			}
		}
		return ();
	}

	/**
	 * 给定路径与Json文件，存储到硬盘
	 * 
	 */ 
	public static void writeJson(String path, String fileName, Object json) {
		BufferedWriter writer = null;
		File file = new File(path + fileName + ".json");
		File file_path = new File(path);
		// 如果文件不存在，则新建一个
		if (!()&&!file_path.exists()) {
			try {
				file_path.mkdirs();
				file = new File(file_path,fileName+".json");
				();
			} catch (IOException e) {
				();
			}
		} else if(file_path.exists()){
			try {
				file = new File(file_path,fileName+".json");
				();
			} catch (IOException e) {
				();
			}
		}
		// 写入
		try {
			writer = new BufferedWriter(new FileWriter(file));
			(());
		} catch (IOException e) {
			();
		} finally {
			try {
				if (writer != null) {
					();
				}
			} catch (IOException e) {
				();
			}
		}
		("文件写入成功！");
	}
}