Heibernate 动态创建表

最新推荐文章于 2018-06-18 14:49:42 发布

lpdx111

最新推荐文章于 2018-06-18 14:49:42 发布

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分类专栏： java 文章标签： properties class jdbc sql string query

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本文介绍了一个使用Hibernate进行动态创建数据库表的过程。通过设置Hibernate配置属性并指定实体类，该示例能够更新现有数据库结构以匹配实体类定义。适用于Hibernate和数据库初始化的相关应用场景。

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Heibernate 动态创建表

package com.ruifeng.catering.plugins.financial.init;

import java.util.Properties;

import org.hibernate.cfg.Configuration;
import org.hibernate.tool.hbm2ddl.SchemaUpdate;

import com.ruifeng.catering.plugins.financial.entity.Financial;
import com.ruifeng.catering.plugins.financial.entity.FinancialType;
import com.ruifeng.plugins.PluginInitial;

public class FinancialInitial  {
	public void init() {
		Configuration configuration = new Configuration();
		Properties properties = new Properties();
		properties.setProperty("hibernate.dialect",	"org.hibernate.dialect.MySQLInnoDBDialect");
		properties.setProperty("hibernate.show_sql", "false");
		properties.setProperty("hibernate.format_sql", "false");
		properties.setProperty("hibernate.query.substitutions",	"true 1, false 0");
		properties.setProperty("hibernate.jdbc.batch_size", "20");
		properties.setProperty("hibernate.cache.use_query_cache", "false");
		properties.setProperty("hibernate.hbm2ddl.auto", "update");
		properties.setProperty("hibernate.connection.driver_class", System.getProperty("jdbc.driverClassName"));
		properties.setProperty("hibernate.connection.url", System.getProperty("jdbc.url"));
		properties.setProperty("hibernate.connection.username", System.getProperty("jdbc.username"));
		properties.setProperty("hibernate.connection.password", System.getProperty("jdbc.password"));
		configuration.setProperties(properties);
		configuration.addClass(Financial.class);
		configuration.addClass(FinancialType.class);
		SchemaUpdate schemaUpdate = new SchemaUpdate(configuration);
		schemaUpdate.execute(false, true);
	}

	public static void main(String[] args) {
		System.setProperty("jdbc.driverClassName", "com.mysql.jdbc.Driver");
		System.setProperty("jdbc.url",
				"jdbc:mysql://localhost:3939/bathing?characterEncoding=UTF-8");
		System.setProperty("jdbc.username", "root");
		System.setProperty("jdbc.password", "ruifengsoft");
		new FinancialInitial().init();
	}
}