1e41f4b71Sopenharmony_ci# tftp 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 命令功能 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ciTFTP（Trivial File Transfer Protocol，简单文件传输协议）是TCP/IP协议族中的一个用来在客户机与服务器之间进行简单文件传输的协议，提供简单、低开销的文件传输服务。端口号为69。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_citftp命令可以从TFTP服务器上下载文件。 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ci## 命令格式 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci./bin/tftp _<-g/-p>__-l__[FullPathLocalFile] -r [RemoteFile] [Host]_ 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci## 参数说明 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci**表1** 参数说明 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci| 参数 | 参数说明 | 取值范围 | 21e41f4b71Sopenharmony_ci| -------- | -------- | -------- | 22e41f4b71Sopenharmony_ci| -g/-p | 文件传输方向：<br/>- -g 从TFTP服务器获取文件。<br/>- -p 上传文件到TFTP服务器。 | N/A | 23e41f4b71Sopenharmony_ci| -l FullPathLocalFile | 本地文件完整路径。 | N/A | 24e41f4b71Sopenharmony_ci| -r RemoteFile | 服务端文件名。 | N/A | 25e41f4b71Sopenharmony_ci| Host | 服务端IP。 | N/A | 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci## 使用指南 29e41f4b71Sopenharmony_ci 30e41f4b71Sopenharmony_ci1. 在服务器端搭建TFTP服务器，并进行正确配置。 31e41f4b71Sopenharmony_ci 32e41f4b71Sopenharmony_ci2. OpenHarmony单板使用tftp命令上传、下载文件。 33e41f4b71Sopenharmony_ci 34e41f4b71Sopenharmony_ci3. 传输的文件大小是有限制的不能大于32M。 35e41f4b71Sopenharmony_ci >  **须知：** 36e41f4b71Sopenharmony_ci > tftp属于调测功能，默认配置为关闭，正式产品中禁止使用该功能。 37e41f4b71Sopenharmony_ci 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci## 使用实例 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ci举例：从服务器下载out文件。 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ci 44e41f4b71Sopenharmony_ci## 输出说明 45e41f4b71Sopenharmony_ci 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ci``` 48e41f4b71Sopenharmony_ciOHOS # ./bin/tftp -g -l /nfs/out -r out 192.168.1.2 49e41f4b71Sopenharmony_ciTFTP transfer finish 50e41f4b71Sopenharmony_ci``` 51e41f4b71Sopenharmony_ci 52e41f4b71Sopenharmony_citftp命令执行后，传输正常完成会显示TFTP transfer finish， 失败的话会显示其他的打印信息帮助定位问题。 53
