如何安全进行Discuz! 6.1 的升级.
安全|discuz
如果您的站点需要升级到 Discuz! 6.1、开始使用 UCenter 为中心聚合自己站点的应用，那么请务必看此帖，根据以下列举的站点应用结构对号入座，查看适合您的正确升级方法：
站点包含一个 Discuz! 6.0.0 以前版本
- 备份数据
- 升级到 Discuz! 6.0.0 版本
- 安装 UCenter
- 覆盖 Discuz! 6.1.0 的文件到论坛目录，执行 upgrade10.php 升级到 Discuz! 6.1.0
站点包含一个 Discuz! 6.0.0 版本
- 备份数据
- 安装 UCenter
- 覆盖 Discuz! 6.1.0 的文件到论坛目录，执行 upgrade10.php 升级到 Discuz! 6.1.0
站点包含多个 Discuz! 论坛
- 备份每个论坛的数据
- 把每个论坛都升级到 Discuz! 6.0.0 版本
- 安装 UCenter
- 选择一个论坛为主论坛，主论坛的 UID 不会变化，一般选择一个用户最多的论坛为主论坛
- 覆盖 Discuz! 6.1.0 的文件到主论坛目录，执行 upgrade10.php 升级到 Discuz! 6.1.0。升级时 UID 的起始值为 0，不进行合并操作。因为此时 UCenter 中没有任何用户数据，无需合并。
- 覆盖 Discuz! 6.1.0 的文件到从论坛目录，执行 upgrade10.php 升级到 Discuz! 6.1.0，此次升级会进行用户的合并，因为从论坛的 UID 会附加到主论坛之上，进行 UID 的合并，而后修改从论坛数据结构完成合并。升级时 UID 的起始值可自己指定
- 多个从论坛重复执行第 6 步
站点包含一个 Discuz! 6.0.1 版本
- 备份数据
- 覆盖 UCenter 的文件到论坛的 uc_server 目录
- 把 UCenter 安装包中的 upgrade1.php 上传到 uc_server 目录，执行 upgrade1.php 把 UCenter 升级 到 1.0.0 版本
- 覆盖 Discuz! 6.1.0 的文件到论坛目录，执行 d601to610.php 升级到 Discuz! 6.1.0
站点包含一个 SupeV 测试版，计划安装、升级到 Discuz! 6.1.0 论坛
- 备份数据
- 把 UCenter 安装包中的 upgrade1.php 上传到 SupeV 目录下，即 SupeV 目录的 uc_server 子目录下，执行 upgrade1.php 把 UCenter 升级 到 1.0.0 版本
- 安装、升级论坛的时候填写 SupeV 目录的 uc_server 的 UCenter 的地址和管理员密码。具体方法参照以上步骤
站点包含 Discuz! 6.1.0 测试版
- 把 UCenter 1.0.0 正式版上传到测试版的 UCenter 1.0.0 目录中，覆盖原有文件
- 把 Discuz! 6.1.0 正式版上传到测试版的 Discuz! 6.1.0 目录中，除了 config.inc.php 文件外覆盖其他所有文件
- 登录管理员帐号，进入“系统设置”->“工具”->“数据库”，选择“校验”，按照校验结果修复数据库
注意：
保证您的站点有且只有一个 UCenter，不管是以前的测试版还是还是此次的 1.0.0 版本。UCenter 测试版中的用户数据如果您打算放弃，那么可以全新安装 UCenter 1.0.0 版本，否则请务必用 upgrade1.php 升级。
- UCenter 中应用的手动添加、或者应用 UCenter 配置的手动添加，请参照此贴 http://www.discuz.net/thread-885223-1-2.html
- 升级中出现故障建议您最好恢复数据重新尝试升级
- 当安装了 UCenter 后，如果您 UCenter 中包含用户数据，在没备份前请不要删除 UCenter 的数据及其文件，以免造成不可挽回的损失。
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