黑马博客——详细步骤(九)项目功能的实现之mongoDB数据库添加账号

Myth丶恋晨 2022-12-31 07:24 150阅读 0赞

## **5. mongoDB数据库添加账号** ##

1. 以系统管理员的方式运行powershell
    2. 连接数据库 mongo
    3. 查看数据库 show dbs
    4. 切换到admin数据库 use admin
    5. 创建超级管理员账户 db.createUser()
    6. 切换到blog数据 use blog
    7. 创建普通账号 db.createUser()
    8. 卸载mongodb服务
             1. 停止服务 net stop mongodb
             2. mongod --remove
    9. 创建mongodb服务
              mongod --logpath="C:\Program Files\MongoDB\Server\4.1\log\mongod.log" --dbpath="C:\Program
              Files\MongoDB\Server\4.1\data" --install –-auth
    10. 启动mongodb服务 net start mongodb
    11. 在项目中使用账号连接数据库
              mongoose.connect('mongodb://user:pass@localhost:port/database')

### 1. 以系统管理员的方式运行powershell ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwNzk0OTg2_size_16_color_FFFFFF_t_70][]

### 2. 连接数据库 mongo ###

![20201229061848428.png][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwNzk0OTg2_size_16_color_FFFFFF_t_70 1][]

### 3. 查看数据库 show dbs ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwNzk0OTg2_size_16_color_FFFFFF_t_70 2][]

### 4. 切换到admin数据库 use admin ###

![20201229061848472.png][]

### 5. 创建超级管理员账户 db.createUser() ###

![20201229061848780.png][]

### 6. 切换到blog数据 use blog ###

### 7. 创建普通账号 db.createUser() ###

![20201229061848788.png][]

### 8. 卸载mongodb服务 ###

1. 停止服务 net stop mongodb

2. mongod --remove

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwNzk0OTg2_size_16_color_FFFFFF_t_70 3][]

### 9. 创建mongodb服务 ###

mongod --logpath="C:\\Program Files\\MongoDB\\Server\\4.1\\log\\mongod.log" --dbpath="C:\\Program Files\\MongoDB\\Server\\4.1\\data" --install –-auth

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwNzk0OTg2_size_16_color_FFFFFF_t_70 4][]

### 10. 启动mongodb服务 net start mongodb ###

![20201229061848542.png][]

### 11. 在项目中使用账号连接数据库 ###

mongoose.connect('mongodb://user:pass@localhost:port/database')

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwNzk0OTg2_size_16_color_FFFFFF_t_70 5][]

数据库连接成功

但是无法对数据库进行操作

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwNzk0OTg2_size_16_color_FFFFFF_t_70 6][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwNzk0OTg2_size_16_color_FFFFFF_t_70 7][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwNzk0OTg2_size_16_color_FFFFFF_t_70 8][]

验证：网页可以进行登录等操作

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[20201229061848428.png]: /images/20221120/60e6bc2a4ca142049f91abef6eb77091.png
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[20201229061848472.png]: /images/20221120/9a7141af08284322b7d5cfdbff6f8774.png
[20201229061848780.png]: /images/20221120/fd1fce4ee7aa423f818eff8d45266d36.png
[20201229061848788.png]: /images/20221120/18d3232bca05492a9dec9c4f8111efd5.png
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[20201229061848542.png]: https://img-blog.csdnimg.cn/20201229061848542.png
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