IDEA 连接Mysql数据库失败 2020

我会带着你远行 2023-02-14 15:57 105阅读 0赞

### 1.驱动名问题 ###

MySQL 8.0+版本之后驱动类和5.0+不同了

com.mysql.cj.jdbc.Driver

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### 2.url问题(我这里的数据库名是：MyTestDataBase） ###

jdbc:mysql://localhost:3306/MyTestDataBase?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf8&useSSL=false

### 3.时区问题 ###

![在这里插入图片描述][20200603220038772.png]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMDY3NDg4_size_16_color_FFFFFF_t_70 1]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMDY3NDg4_size_16_color_FFFFFF_t_70 2]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMDY3NDg4_size_16_color_FFFFFF_t_70 3]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMDY3NDg4_size_16_color_FFFFFF_t_70 4]

### 3.连接名重复 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMDY3NDg4_size_16_color_FFFFFF_t_70 5]

连接总是失败不妨改改这个名字成别的

### 4.其他 ###

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[20200603220038772.png]: https://img-blog.csdnimg.cn/20200603220038772.png
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