spring + hibernate+ C3P0+MYSQL怎么配置

要求是可以用的网上搜的不行答对加100
2025-03-05 09:11:13
推荐回答(3个)
回答1:

我为这个问题专门写了一个测试用例:

看下面的几个文件:
可能贴的顺序上有点问题,楼主可以自己整理一下:

(1) applicationContext.xml

---------------------









jdbc.properties






${jdbc.driverClass}
${jdbc.url}
${jdbc.user}
${jdbc.password}
${jdbc.initialPoolSize}
${jdbc.minPoolSize}
${jdbc.maxPoolSize}









org.hibernate.dialect.MySQLDialect
true
true
80
35




com/spring/demo/bean/mapping/Book.hbm.xml


















PROPAGATION_REQUIRED
PROPAGATION_REQUIRED
PROPAGATION_REQUIRED
PROPAGATION_REQUIRED,readOnly






















---------------------

(2) jdbc.properties
## 这个事连接mysql数据库的具体参数配置,
## 楼主要根据自己的数据来配置,不可直接使用
---------------------

jdbc.driverClass=com.mysql.jdbc.Driver

jdbc.url=jdbc:mysql://localhost:3306/springdemo?useUnicode=true&characterEncoding=utf-8

jdbc.user=root
jdbc.password=root
jdbc.initialPoolSize=1
jdbc.minPoolSize=1
jdbc.maxPoolSize=10

---------------------

说明:applicationContext.xml 应用了jdbc.properties文件

,我自己测试,没有问题,而且是spring配置式事务的。

需要JAR包

spring.jar
c3p0.jar
mysql.jar
cglib.jar
asm.jar
antlr.jar
hibernate3.jar
jta.jar
dom4j.jar
commons-collections.jar
commons-logging.jar

-----------

Hibernate_BookDao.java

--------------

package com.spring.demo.dao;
import java.util.List;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.spring.demo.bean.Book;

/**
*
* @author wangyudong
*
*/
public class Hibernate_BookDao extends HibernateDaoSupport {

/**
* 添加一本书
* @param book
*/
public void insertBook(Book book){
this.getHibernateTemplate().save(book);
}

/**
* 修改一本书
* @param book
*/
public void updateBook(Book book){
this.getHibernateTemplate().update(book);
}

/**
* 根据ID来删除一本书
* @param id
*/
public void deleteBook(Integer id){
Book book = new Book();
book.setId(id);
this.getHibernateTemplate().delete(book);
}

/**
* 根据ID来查询书对象
* @param id
* @return
*/
public Book selectBookById(Integer id){
String hql = "from Book b where b.id=?";
Object[] params = new Object[]{id};
List list = this.getHibernateTemplate().find(hql, params );

if(list!=null && list.size()>0){
return (Book)list.get(0);
}
return null ;
}

/**
* 根据书名来查询相关书记录列表
* @param name
* @return
*/
public List selectBookByName(String name){

String hql = "from Book b where b.name like ?";
Object[] params = new Object[]{"%"+name+"%"};
return this.getHibernateTemplate().find(hql, params);
}

}

--------------

(2) Hibernate_BookManager.java

---------------

package com.spring.demo.manager;

import java.util.List;

import com.spring.demo.bean.Book;
import com.spring.demo.dao.Hibernate_BookDao;

public class Hibernate_BookManager {

private Hibernate_BookDao dao ;

/**
* 批量添加书本,如果列表长度超过3,就抛出异常
* @param books
*/
public void insertBooks(List books){

for(int i=0 ; i if(i>2){
throw new RuntimeException("中断事务异常,当列表长度大于3的时候故意抛出,看看事务是否回滚");
}
Book book = (Book)books.get(i);
dao.insertBook(book);
}
}

/**
* 添加一本书
* @param book
*/
public void insertBook(Book book){
this.dao.insertBook(book);
}

/**
* 修改一本书
* @param book
*/
public void updateBook(Book book){
this.dao.updateBook(book);
}

/**
* 根据ID来删除一本书
* @param id
*/
public void deleteBook(Integer id){
this.dao.deleteBook(id);
}

/**
* 根据ID来查询书对象
* @param id
* @return
*/
public Book selectBookById(Integer id){
return this.dao.selectBookById(id);
}

/**
* 根据书名来查询相关书记录列表
* @param name
* @return
*/
public List selectBookByName(String name){
return this.dao.selectBookByName(name);
}

// getter and setter //
public Hibernate_BookDao getDao() {
return dao;
}

public void setDao(Hibernate_BookDao dao) {
this.dao = dao;
}
}

---------------

(3)Book.java

--------------
package com.spring.demo.bean;

import java.io.Serializable;

/*

DROP TABLE IF EXISTS book ;

CREATE TABLE book(
id int(11) NOT NULL auto_increment COMMENT 'primary key',
name varchar(60) default NULL COMMENT 'book name',
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC COMMENT='my book table';

*/

public class Book implements Serializable {

public Book(){}

public Book(String name){
this.name = name;
}

/**
* ID
*/
private Integer id ;

/**
* 书名
*/
private String name ;

// getter and setter
public Integer getId() {
return id;
}

public void setId(Integer id) {
this.id = id;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

}
--------------

(4)Book.hbm.xml
---------------

"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">












---------------

#mysql的造表语句,指定了数据库springdemo#
---------------------
MYSQL 的BOOK 表创建语句

CREATE DATABASE IF NOT EXISTS springdemo;

USE springdemo;

DROP TABLE IF EXISTS book ;

CREATE TABLE book(
id int(11) NOT NULL auto_increment COMMENT 'primary key',
name varchar(60) default NULL COMMENT 'book name',
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC COMMENT='my book table';

---------------------

下面是我的测试方法:
===========

package com.spring.demo;

import java.util.ArrayList;
import java.util.List;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.spring.demo.bean.Book;
import com.spring.demo.manager.Hibernate_BookManager;

public class HibernateDemo {

/**
* @param args
*/
public static void main(String[] args) {
ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml") ;

Hibernate_BookManager manager = (Hibernate_BookManager)context.getBean("hibernate_BookManager");

List books = new ArrayList();

books.add(new Book("book_01"));
books.add(new Book("book_02"));
books.add(new Book("book_03"));
books.add(new Book("book_04"));

manager.insertBooks(books);

System.out.println("OK");

}

}

确信是调通的,
==================

看在我专门为回答这个问题写了这个测试用例,
给个高分?

回答2:

一言难尽
多言也不易说明白,楼主还是找会的人手把手教一遍吧

回答3:

楼主怎么不让别人帮你开发一个WEB OS。。。。。。

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