技術標籤：JAVA基礎java

public class FileUtils {
    public static <T> T readFile(File file, Class<T> tClass){
        String supDiscount="";
        BufferedReader bufferedReader=null;
        try {
            if (file.isFile()&&file.exists()) {
                bufferedReader=
 
 new BufferedReader(new InputStreamReader(new FileInputStream(file)));
                String line = null;
                while ((line = bufferedReader.readLine()) != null) {
                    supDiscount += line;
                }
            }
        } catch (IOException e) {
            e.getMessage
 
();
        } finally {
            if (bufferedReader!=null){
                try {
                    bufferedReader.close();
                } catch (IOException e) {
                    e.getMessage();
                }
            }
        }
        return JsonUtils.JsonStringConvertToJavaBean
 
(supDiscount, tClass);
    }

}