hibernate自动建表

x‘ml配置文件

        <!-- 扫描所有实体类 -->
        <property name="packagesToScan">
            <list>
                <value>com.fit.core.pojo</value>
            </list>
        </property>

//关键diamagnetic<prop key="hibernate.hbm2ddl.auto">update</prop>

实体类

package com.fit.core.pojo;

import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

/**
 */
@Entity
@Table(name="tbl_interview")
public class TblInterview {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;

    @ManyToOne
    @JoinColumn(name="party_worker")
    private User partyWorker;

    @Temporal(TemporalType.DATE)
    @Column(name="start_date", length=30, nullable=true)
    private Date startDate;    

    @Column(name="request_content", nullable=true)
    private String requestContent;

    @Column(length=50, nullable=true)
    private String topic;

    public Long getId() {
        return id;
    }

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

    public User getPartyWorker() {
        return partyWorker;
    }

    public void setPartyWorker(User partyWorker) {
        this.partyWorker = partyWorker;
    }

    public Date getStartDate() {
        return startDate;
    }

    public void setStartDate(Date startDate) {
        this.startDate = startDate;
    }

    public String getRequestContent() {
        return requestContent;
    }

    public void setRequestContent(String requestContent) {
        this.requestContent = requestContent;
    }

    public String getTopic() {
        return topic;
    }

    public void setTopic(String topic) {
        this.topic = topic;
    }

}