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    Solved 我想在插件中连接MySql数据库但是出现问题(java)

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    • S
      SCX-snow last edited by SCX-snow

      没有办法连接数据库,通过逐句添加try catch后发现连接数据库的第一步就出现异常
      就是这句Class.forName("com.mysql.cj.jdbc.Driver");:cry:

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      • cssxsh
        cssxsh last edited by

        你没有包含mysql的 jdbc 相关库 无法在 项目中引用 com.mysql.cj.jdbc.Driver

        S 1 Reply Last reply Reply Quote 0
        • cssxsh
          cssxsh last edited by

          你没有包含mysql的 jdbc 相关库 无法在 项目中引用 com.mysql.cj.jdbc.Driver

          S 1 Reply Last reply Reply Quote 0
          • S
            SCX-snow @cssxsh last edited by

            @cssxsh 是import java.sql.*;这句吗,可我已经加入了啊,能麻烦大佬细说一下吗

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            • yoonching
              yoonching last edited by

              是你在maven或者gradle等文件里引入依赖。
              例如maven加一个依赖(版本号仅作参考)
              <dependency>
              <groupId>mysql</groupId>
              <artifactId>mysql-connector-java</artifactId>
              <version>8.0.19</version>
              <scope>runtime</scope>
              </dependency>

              或build.gradle.kts加一个依赖

              dependencies内 增加一行:
              implementation("mysql:mysql-connector-java:8.0.19")

              或者自行引入jar包

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