本文共 767 字，大约阅读时间需要 2 分钟。

代码

public static String readJsonFile(String fileName) {        String jsonStr = "";        try {            File jsonFile = new File(fileName);            FileReader fileReader = new FileReader(jsonFile);            Reader reader = new InputStreamReader(new FileInputStream(jsonFile),"utf-8");            int ch = 0;            StringBuffer sb = new StringBuffer();            while ((ch = reader.read()) != -1) {                sb.append((char) ch);            }            fileReader.close();            reader.close();            jsonStr = sb.toString();            return jsonStr;        } catch (IOException e) {            e.printStackTrace();            return null;        }    }

实际调用例子

String str = readJsonFile("/Users/sundongping/Downloads/format05.json");

转载地址：http://shtii.baihongyu.com/