在hibernate中找不到Configuration（）

Question

我将创建一个简单的hibernateDAO项目，

但是在BookDao类（实现bookDaoInterface）中，我在getSessionFactory()方法中遇到了此错误：

这是项目结构：

这是maven pom.xml档案：

<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.sajjad</groupId>
    <artifactId>SimpleHibernateDAO</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <repositories>
        <repository>
            <id>unknown-jars-temp-repo</id>
            <name>A temporary repository created by NetBeans for libraries and jars it could not identify. Please replace the dependencies in this repository with correct ones and delete this repository.</name>
            <url>file:${project.basedir}/lib</url>
        </repository>
    </repositories>
    <dependencies>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>4.3.6.Final</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.6</version>
        </dependency>
        <dependency>
            <groupId>unknown.binary</groupId>
            <artifactId>hibernate-jpa-2.1-api-1.0.0.Final</artifactId>
            <version>SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>4.3.1.Final</version>
        </dependency>
        <dependency>
            <groupId>unknown.binary</groupId>
            <artifactId>mysql-connector-java-5.1.23-bin</artifactId>
            <version>SNAPSHOT</version>
        </dependency>
    </dependencies>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
    </properties>
</project>

Hibernate配置文件（hibernate.cfg）：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <session-factory>
        <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/</property>
        <property name="hibernate.connection.username">root</property>
        <property name="hibernate.connection.password">2323</property>
        <property name="hibernate.hbm2ddl.auto">update</property>
        <property name="hibernate.current_session_context_class">thread</property>
        <mapping class="com.sajjad.simplehibernatedao.Book"/>
    </session-factory>
</hibernate-configuration>

我的代码出了什么问题？

Answer 1

您的导入可能有误或缺失。确保您在开头有这个导入：

import org.hibernate.cfg.Configuration;

并确保没有其他Configuration类从其他包中导入。