如何在 Maven 中添加 PostgreSQLDriver 作为依赖项？

我试图用 Maven 开发一个 Java 应用程序，同时使用 Hibernate 和 PostgreSQL 数据库实现持久化。我不明白如何将 PostgreSQL 驱动程序连接到我的应用程序。我知道您在 Maven 的 pom.xml 文件中添加了依赖项，该文件从远程存储库中查找 jar，但是其他 jar 怎么办呢？

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Depending on your PostgreSQL version you would need to add the postgresql driver to your pom.xml file.

For PostgreSQL 9.1 this would be:

<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">


<name>Your project name.</name>
<dependencies>
<dependency>
<groupId>postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>9.1-901-1.jdbc4</version>
</dependency>
</dependencies>
</project>

You can get the code for the dependency (as well as any other dependency) from maven's central repository

If you are using postgresql 9.2+:

<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">


<name>Your project name.</name>
<dependencies>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>42.2.1</version>
</dependency>
</dependencies>
</project>

You can check the latest versions and dependency snippets from:

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最佳答案

PostgreSQL drivers jars are included in Central Repository of Maven:

For PostgreSQL up to 9.1, use:

<dependency>
<groupId>postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>VERSION</version>
</dependency>

or for 9.2+

<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>VERSION</version>
</dependency>

(Thanks to @Caspar for the correction)

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Updating for latest release:

<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>42.2.14</version>
</dependency>

Source

Hope it helps!

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From site PostgreSQL, of date 02/04/2016 (https://jdbc.postgresql.org/download.html):

"This is the current version of the driver. Unless you have unusual requirements (running old applications or JVMs), this is the driver you should be using. It supports Postgresql 7.2 or newer and requires a 1.6 or newer JVM. It contains support for SSL and the javax.sql package. If you are using the 1.6 then you should use the JDBC4 version. If you are using 1.7 then you should use the JDBC41 version. If you are using 1.8 then you should use the JDBC42 versionIf you are using a java version older than 1.6 then you will need to use a JDBC3 version of the driver, which will by necessity not be current"

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<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>

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