java使用JDBC连接数据库的三种方式(JDBC+properties+C3P0)
项目描述
使用jdbc基本连接数据库+使用properties文件连接数据库+使用C3P0连接数据库
运行环境
jdk8+mysql
项目技术(必填)
C30P+properties+JDBC
数据库文件
DROP TABLE IF EXISTS `class`;
CREATE TABLE `class` (
`id` int(11) NOT NULL auto_increment,
`cname` varchar(20) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of class
-- ----------------------------
INSERT INTO `class` VALUES ('1', 'A05');
INSERT INTO `class` VALUES ('2', 'A06');
INSERT INTO `class` VALUES ('3', 'A07');
INSERT INTO `class` VALUES ('4', 'A08');
INSERT INTO `class` VALUES ('5', 'A09');
INSERT INTO `class` VALUES ('6', 'A10');
-- ----------------------------
-- Table structure for `student`
-- ----------------------------
DROP TABLE IF EXISTS `student`;
CREATE TABLE `student` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(20) NOT NULL,
`classid` int(11) NOT NULL,
PRIMARY KEY (`id`),
KEY `classid` (`classid`),
CONSTRAINT `student_ibfk_1` FOREIGN KEY (`classid`) REFERENCES `class` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of student
-- ----------------------------
INSERT INTO `student` VALUES ('1', '张麟', '1');
INSERT INTO `student` VALUES ('2', '程浩洋', '2');
INSERT INTO `student` VALUES ('3', '谭皓文', '3');
INSERT INTO `student` VALUES ('4', 'eee', '6');
jar包文件
项目里有
是否原创(转载必填原文地址)
原创|
项目截图(必填)
运行截图(必填)
注意事项
无
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- /
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- /JDBCConnection/bin
- /JDBCConnection/bin/c3p0-config.xml
- /JDBCConnection/bin/com
- /JDBCConnection/bin/com/bdqn
- /JDBCConnection/bin/com/bdqn/test
- /JDBCConnection/bin/com/bdqn/test/JDBCTest.class
- /JDBCConnection/bin/com/bdqn/util
- /JDBCConnection/bin/com/bdqn/util/C3P0Util.class
- /JDBCConnection/bin/com/bdqn/util/DbUtil.class
- /JDBCConnection/bin/com/bdqn/util/DbUtil01.class
- /JDBCConnection/bin/com/bdqn/test
- /JDBCConnection/bin/com/bdqn
- /JDBCConnection/src
- /JDBCConnection/src/com
- /JDBCConnection/src/com/bdqn
- /JDBCConnection/src/com/bdqn/test
- /JDBCConnection/src/com/bdqn
- /JDBCConnection/src/com
- /JDBCConnection


