![linux下怎么生成uuid-(linux生成uuid命令)[图]](https://exp-picture.cdn.bcebos.com/cd93a56651598540c2897a56b5a23a42a17ac43b.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_640%2Climit_1%2Fformat%2Cf_auto%2Fquality%2Cq_80)
接下来在终端中更新一下源软件包列表。
![linux下怎么生成uuid-(linux生成uuid命令)[图]](https://exp-picture.cdn.bcebos.com/a13bbe10bc33ec38ee18675b295f0c14c37b3c38.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_640%2Climit_1%2Fformat%2Cf_auto%2Fquality%2Cq_80)
接下来安装uuid软件包,uuid是一个命令行下的uuid生成工具。
![linux下怎么生成uuid-(linux生成uuid命令)[图]](https://exp-picture.cdn.bcebos.com/c33acc828689a1465512904df4bd4c7c35b33438.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_640%2Climit_1%2Fformat%2Cf_auto%2Fquality%2Cq_80)
安装完成后在终端中执行uuid命令即可获得一个uuid标识符。
![linux下怎么生成uuid-(linux生成uuid命令)[图]](https://exp-picture.cdn.bcebos.com/7efc527c34b33c41db19adf5887de137c8762e38.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_640%2Climit_1%2Fformat%2Cf_auto%2Fquality%2Cq_80)
二、编程生成uuid
uuid有自己的库,用户可以通过如下图所示的命令来安装uuid开发库。
![linux下怎么生成uuid-(linux生成uuid命令)[图]](https://exp-picture.cdn.bcebos.com/e076d77622bc7dc520c455eb5e460596b9142938.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_640%2Climit_1%2Fformat%2Cf_auto%2Fquality%2Cq_80)
使用uuid库之前需要添加相应的头文件,同时uuid库暂时提供了4种生成uuid的方法,下图所示为一个完整的示例代码,我已经加了详细的注释。
![linux下怎么生成uuid-(linux生成uuid命令)[图]](https://exp-picture.cdn.bcebos.com/d4071b96b814f4d040a0b666cdfe474ec3832338.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_640%2Climit_1%2Fformat%2Cf_auto%2Fquality%2Cq_80)
接下来通过gcc编译生成名称为t的测试程序。
![linux下怎么生成uuid-(linux生成uuid命令)[图]](https://exp-picture.cdn.bcebos.com/c99358fe474ec283c91c455bbe4f50b8b53e1c38.jpg?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_640%2Climit_1%2Fformat%2Cf_auto%2Fquality%2Cq_80)
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