109 lines
3.6 KiB
Markdown
109 lines
3.6 KiB
Markdown
# 遇到的问题及对应的解决方案
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### 2022.10
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#### 2022.10.21 前端 npm run serve 时报错，提示：Module not found: Error: Can't resolve 'element-plus/lib/locale'
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```bash
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ERROR Failed to compile with 1 error
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error in ./src/plugins/element.js
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Module not found: Error: Can't resolve 'element-plus/lib/locale' in 'xxxxxxxx\src\plugins'
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ERROR in ./src/plugins/element.js 3:0-45
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Module not found: Error: Can't resolve 'element-plus/lib/locale' in 'xxxxxxxx\src\plugins'
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@ ./src/main.js 4:0-51 6:0-18
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webpack compiled with 1 error
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```
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解决方案：
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安装`unplugin-vue-components` 和 `unplugin-auto-import`这两款插件
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```bash
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npm install -D unplugin-vue-components unplugin-auto-import
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```
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注意：安装时可能还会遇到下面一个错误，可以添加 `--legacy-peer-deps` 参数解决
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参考：https://element-plus.gitee.io/zh-CN/guide/quickstart.html#%E6%8C%89%E9%9C%80%E5%AF%BC%E5%85%A5
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#### 2022.10.21 前端 npm install 时报错，提示：Conflicting peer dependency: eslint-plugin-vue@7.20.0
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```bash
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npm ERR! code ERESOLVE
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npm ERR! ERESOLVE could not resolve
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npm ERR!
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npm ERR! While resolving: @vue/eslint-config-standard@6.1.0
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npm ERR! Found: eslint-plugin-vue@8.7.1
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npm ERR! node_modules/eslint-plugin-vue
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npm ERR! dev eslint-plugin-vue@"^8.0.3" from the root project
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npm ERR!
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npm ERR! Could not resolve dependency:
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npm ERR! peer eslint-plugin-vue@"^7.0.0" from @vue/eslint-config-standard@6.1.0
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npm ERR! node_modules/@vue/eslint-config-standard
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npm ERR! dev @vue/eslint-config-standard@"^6.1.0" from the root project
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npm ERR!
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npm ERR! Conflicting peer dependency: eslint-plugin-vue@7.20.0
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npm ERR! node_modules/eslint-plugin-vue
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npm ERR! peer eslint-plugin-vue@"^7.0.0" from @vue/eslint-config-standard@6.1.0
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npm ERR! node_modules/@vue/eslint-config-standard
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npm ERR! dev @vue/eslint-config-standard@"^6.1.0" from the root project
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npm ERR!
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npm ERR! Fix the upstream dependency conflict, or retry
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npm ERR! this command with --force, or --legacy-peer-deps
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npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
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npm ERR!
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npm ERR! See C:\Users\Coz\AppData\Local\npm-cache\eresolve-report.txt for a full report.
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npm ERR! A complete log of this run can be found in:
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npm ERR! C:\Users\Coz\AppData\Local\npm-cache\_logs\2022-10-21T07_12_41_027Z-debug-0.log
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```
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解决方案：
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在安装命令后加 `--legacy-peer-deps`
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例如：`npm i --legacy-peer-deps`
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参考：https://blog.csdn.net/lanmy_dl/article/details/126346812
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#### 2022.10.21 后端 项目创建后启动失败，提示：Failed to configure a DataSource: ‘url’ attribute is not specified and no embedded datasource could be configured.
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```bash
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***************************
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APPLICATION FAILED TO START
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***************************
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Description:
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Failed to configure a DataSource: ‘url’ attribute is not specified and no embedded datasource could be configured.
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Reason: Failed to determine a suitable driver class
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Action:
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Consider the following:
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If you want an embedded database (H2, HSQL or Derby), please put it on the classpath.
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If you have database settings to be loaded from a particular profile you may need to activate it (no profiles are currently active).
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```
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解决方案：
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application.properties 配置文件中添加数据库配置
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```bash
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# MySQL配置
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spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
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spring.datasource.url=jdbc:mysql://127.0.0.1:3306/epp?useUnicode=true&characterEncoding=utf8&useSSL=false
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spring.datasource.username=root
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spring.datasource.password=root
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```
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