Q:Driver/Datasource Class Name

A:
?低版本：com.mysql.jdbc.Driver
?高版本(5.7+):com.mysql.cj.jdbc.Driver
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Q:Connection URL Syntax

A:
This is the generic format of the connection URL:

    protocol//[hosts][/database][?properties]

For example:

    jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&useSSL=true&serverTimezone=GMT%2B8
 

註：使用tomcat開設服務器(端口3306)，數據庫名test,屬性使用‘&’分隔
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Properties

Q:Using Character Sets and Unicode

A:
The character encoding between client and server is automatically detected upon connection. You must specify the encoding on server using the URL to connect database.
For example, to user UTF-8 chatacter sets with Connector/J. You can using "characterEncoding=utf8" to config your Connector/J.

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Q:Connecting Securely Using SSL

A:
SSL:Secure Socket Layer，用以保障在Internet上數據傳輸之安全，利用數據加密(Encryption)技術，可確保數據在網絡上之傳輸過程中不會被截取及竊聽。
For example:

    useSSL=true or useSSL=false

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Q:使用JDBC驅動關於時區引發的問題

A:
1.降低MySQL版本(5.6以下)
2.增加serverTimezone=UTC或GMT，如果指定使用gmt+8時區，需要寫為GMT%2B8，否則可能解析為空。

MySQL Connector to J 8.0 Q&A