废话少说 放码
/** * 读取Resources下资源文件 * jar包时 linux下也可用 * @param filePath 文件路径 例如 /topology/color.json 注意/ * @return String 文件内容 */privatestaticStringreadFileStreamToStr(String filePath){InputStream is=null;BufferedReader br=null;try{ is=FileReadUtils.class.getResourceAsStream(filePath);if(null== is){ log.error("readFile: file is not found, file path: {}", filePath);returnnull;} br=newBufferedReader(newInputStreamReader(is));String s;StringBuilder sb=newStringBuilder();while((s= br.readLine())!=null){ sb.append(s).append("\r\n");}return sb.toString();}catch(IOException e){ log.error(e.getCause().toString());}finally{if(is!=null){try{ is.close();}catch(IOException e){ log.error("error : FileReadUtils-readLinuxFileToStr-close InputStream : {}", e.getMessage());}}if(br!=null){try{ is.close();}catch(IOException e){ log.error("error : FileReadUtils-readLinuxFileToStr-close BufferedReader : {}", e.getMessage());}}}returnnull;}