通过封装JdbcUtils类并实现EmisUtils.getConnection ()方法以连接到数据库,可以简化以后的增删检查工作
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ependencygroupidmysql/groupidartifactidmysql-connector-Java/artifactidversion5.1. 24/version/dependencyimportjasql import java.sql.SQLException; publicclassjdbcutils { publicstaticconnectiongetconnection () throws ClassNotFoundException,sqlexception ) class.forname //jdbc:mysql://主机名或域名:端口/数据库名string URL=' JDBC 3360 MySQL ://? useUnicode=true典雅的胡萝卜=utf8 '; //用户名String username=" "; //密码字符串密码='; connection conn=driver manager.getconnection (URL,username,password ); if(Conn!=null ) { System.out.println ('数据库连接成功! ' ); }else { System.out.println ('数据库连接失败! ' ); } return conn; }