SQLException {8//1.注册数据库的驱动9Class.forName("com.mysql.jdbc.Driver");10//2.获取数据库连接(里面内容依次是:"jdbc:mysql://主机名:端口号/数据库名","用户名","登录
1 <?xml version="1.0" encoding="UTF-8"?> 2 3 <c3p0-config> 4 <default-config> 5 <!-- 配置数据库驱动 --> 6 <property name="driverClass">com.mysql.jdbc.Driver</property> 7 <!-- 配置数据库链接地址 --> 8 <property name="jdbcUrl">jdbc:mysql://rm-uf9776rxego.mysql.rds.aliyun...
-- 1. mysql驱动 2.mybatis 3.junit --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.22</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.5.2</version> </dependency> <d...
Class.forName("com.mysql.cj.jdbc.Driver");// 因为mysql5和mysql8的账密是一样的,所以用的同一个 proConnectionconn8=DriverManager.getConnection(url8, pro);Statementstmt=conn8.createStatement();intcount=stmt.executeUpdate(insertSql.substring(0, insertSql.length() -1)); System.out.println("新插入...
在Maven中,依赖可以通过多种方式添加,最常见的是通过<dependency>标签在pom.xml文件中声明。 应用场景 当你需要在Java项目中使用MySQL数据库时,可以通过Maven添加MySQL的JDBC驱动依赖。 示例代码 以下是如何在pom.xml文件中添加MySQL依赖的示例: 代码语言:txt 复制 <project xmlns="http://maven.apache.org/POM/4.0...
--mysql数据库驱动 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.38</version> </dependency> <!--log4j日志包 --> <dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-core</artifactId> <version>2.6.1</version...
Dependency Injection XML Processing Web Frameworks Android Platform I/O Utilities Defect Detection Metadata Code Generators Configuration Libraries Concurrency Libraries OSGi Utilities JDBC Drivers Reflection Libraries Date and Time Utilities Assertion Libraries Validation Libraries Bytecode Libraries Collections Data...
使用mysql数据库时 开启 <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.34</version> </dependency> --> <dependency> <groupId>com.oracle.jdbc.driver</groupId> <artifactId>ojdbc6</artifactId> <version>11g</version> </dependency> <dependency>...
例如,假设你的项目在pom.xml中声明了对A.jar的依赖,但未声明对B.jar的依赖。而A.jar的依赖树中又包含了对B.jar的依赖。通过运行mvn dependency:analyze命令,如果输出如下警告: mvn dependency:analyze 出现 [WARNING]Usedundeclareddependenciesfound:B.jar ...
DOCTYPE configurationPUBLIC "-//mybatis.org//DTD Config 3.0//EN""http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration><environments default="development"><environment id="development"><transactionManager type="JDBC"/><dataSource type="POOLED"><property name="driver" value="com.mysql...