file文件的创建

/**
 * @Auther: xngz
 * @Date: 2020/11/1 0:12
 * @Description:
 */
public class result {


    /**
     * 执行系统命令后打印输出
     * @param process
     * @return 输出结果
     */
    public static StringBuffer doWaitForFile(Process process) {
        InputStream in = null;
        InputStream err = null;
        BufferedReader br = null;
        BufferedReader brerr = null;

        StringBuffer sb=new StringBuffer();
        if(process==null){
            return sb;
        }
        try {
            in = process.getInputStream();
            err = process.getErrorStream();
            br = new BufferedReader(new InputStreamReader(in));
            brerr = new BufferedReader(new InputStreamReader(err));
            boolean finished = false; // Set to true when p is finished
            while (!finished) {
                String line;
                while((line = br.readLine())!=null){