利用maven 下依赖包

在做Java Web项目的时候,不可避免的就要使用到数据库,下面就是在IDEA中添加mysql依赖的方法。 如果你看到这里,就表示你弄懂了IDEA,maven和Tomcat等,所以... 只需要在pom.xml中添加依赖就可以了,下面是我的配置文件。

4.0.0 com.suixue example 1.0-SNAPSHOT

junit junit 4.11 jar test

org.springframework spring-context 4.1.6.RELEASE jar log4j log4j 1.2.17 jar

com.fasterxml.jackson.core jackson-core 2.2.1

com.fasterxml.jackson.core jackson-databind 2.1.3

com.fasterxml.jackson.core jackson-annotations 2.1.2 mysql mysql-connector-java 5.1.25 红色区域就是添加mysql依赖的代码哦,若版本不一样,可以再version中进行更改。 添加依赖后,IDEA就会自动为我们下载需要的jar包了哦!

各数据库连接配置与maven依赖安装

各种数据库Hibernate链接配置

Derby

db driver maven dependency
<dependency>
        <groupId>org.apache.derby</groupId>
        <artifactId>derbyclient</artifactId>
        <version>10.2.2.0</version>
</dependency>
hibernate.properties
hibernate.dialect=org.hibernate.dialect.DerbyDialect
hibernate.connection.driver_class=org.apache.derby.jdbc.ClientDriver
hibernate.connection.url=jdbc:derby://localhost/trails;create=true
hibernate.connection.username=any
hibernate.connection.password=value
hibernate.hbm2ddl.auto=update

 MySQL

MySQL throws an EOFException when the database connection has been closed after the lease has expired, but it works again on subsequent requests.

There is a reported issue with DBCP and the MySQL driver. Check the JIRA issue for more info and a possible solutionhttp://jira.codehaus.org/browse/TRAILS-85

db driver maven dependency
<dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.0.5</version>
</dependency>
hibernate.properties
hibernate.dialect=org.hibernate.dialect.MySQLInnoDBDialect
hibernate.connection.driver_class=com.mysql.jdbc.Driver
hibernate.connection.url=jdbc:mysql://localhost/trails?createDatabaseIfNotExist=true&amp;useUnicode=true&amp;characterEncoding=utf-8
hibernate.connection.username=root
hibernate.connection.password=
hibernate.hbm2ddl.auto=update

H2

db driver maven dependency
<dependency>
        <groupId>com.h2database</groupId>
        <artifactId>h2</artifactId>
        <version>1.0.20070304</version>
</dependency>
hibernate.dialect=org.hibernate.dialect.H2Dialect
hibernate.connection.driver_class=org.h2.Driver
hibernate.connection.url=jdbc:h2:trails
hibernate.connection.username=sa
hibernate.connection.password=
hibernate.hbm2ddl.auto=update

Oracle 

db driver maven dependency
<dependency>
        <groupId>com.oracle</groupId>
        <artifactId>ojdbc14</artifactId>
        <version>10.2.0.2.0</version>
</dependency>
hibernate.properties
hibernate.dialect=org.hibernate.dialect.Oracle9Dialect
hibernate.connection.driver_class=oracle.jdbc.OracleDriver
hibernate.connection.url=jdbc:oracle:thin:@localhost:1521:XE
hibernate.connection.username=system
hibernate.connection.password=system
hibernate.hbm2ddl.auto=update
 
# The Oracle JDBC driver doesn't like prepared statement caching very much.
hibernate.statement_cache.size=0
# or baching with BLOBs very much.
hibernate.jdbc.batch_size=0
 
# After a while, Oracle throws this  exception: too many open cursors
# Disable PreparedStatement caching for the connection pool too.
# http://www.hibernate.org/120.html#A10
hibernate.dbcp.ps.maxIdle = 0
 
# Stoping hibernate from using the column-names in queries to retrieve data from the resultsets
# More info in http://www.jroller.com/page/dashorst?entry=hibernate_3_1_something_performance1
hibernate.jdbc.wrap_result_sets=true

PostgreSQL.

db driver maven dependency
<dependency>
        <groupId>postgresql</groupId>
        <artifactId>postgresql</artifactId>
        <version>8.2-504.jdbc3</version>
</dependency>
hibernate.properties
hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
hibernate.connection.driver_class=org.postgresql.Driver
hibernate.connection.url=jdbc:postgresql://localhost/trails
hibernate.connection.username=postgres
hibernate.connection.password=postgres
hibernate.hbm2ddl.auto=update

Microsoft SQL Server

db driver maven dependency
<dependency>
        <groupId>net.sourceforge.jtds</groupId>
        <artifactId>jtds</artifactId>
        <version>1.2</version>
</dependency>
hibernate.properties
hibernate.dialect=org.hibernate.dialect.SQLServerDialect
hibernate.connection.driver_class=net.sourceforge.jtds.jdbc.Driver
hibernate.connection.url=jdbc:jtds:sqlserver://localhost:1433/trails
hibernate.connection.username=sa
hibernate.connection.password=
hibernate.hbm2ddl.auto=update

HSQLDB 

db driver maven dependency
<dependency>
        <groupId>hsqldb</groupId>
        <artifactId>hsqldb</artifactId>
        <version>1.8.0.7</version>
</dependency>
hibernate.properties
hibernate.dialect=org.hibernate.dialect.HSQLDialect
hibernate.connection.driver_class=org.hsqldb.jdbcDriver
hibernate.connection.url=jdbc:hsqldb:trails;shutdown=true
hibernate.connection.username=sa
hibernate.connection.password=
hibernate.hbm2ddl.auto=update
 
手动安装Maven依赖包
例如要安装这样一个依赖到maven本地仓库:
1.将此依赖添加到项目的pom.xml
<dependency>
   <groupId>com.microsoft.sqlserver</groupId>
   <artifactId>sqljdbc4</artifactId>
   <version>3.0</version>
</dependency>
 
2.在命令行中执行install命令
mvn install:install-file -Dfile=sqljdbc4-3.0.jar -DgroupId=com.microsoft.sqlserver -DartifactId=sqljdbc4 -Dversion=3.0 -Dpackaging=jar
 
3.将sqljdbc4-3.0.jar拷贝到此依赖安装目录
将sqljdbc4-3.0.jar拷贝到X:\Documents and Settings\%USER%\.m2\repository\com\microsoft\sqlserver\sqljdbc4\3.0 中即可.
原文地址:https://www.cnblogs.com/sundaysjava/p/10317717.html