剛剛接觸Hibernate嘗試寫一個事例項目,但是搞了一天硬是苦逼的沒弄通,一直的報無法創建表,現在就把這些經驗給大家分享一下:
1、書寫問題:
<PRoperty name="hbm2ddl.auto">create</property>
中間可以是create或update,當無法創建表時,大家一定要注意檢查一下自己寫的是否正確
2.Mapping的映射文件有重名的,如:
<mapping resource="com/runsky/domain/Status.hbm.xml" /><mapping resource="com/runsky/domain/Status.hbm.xml" />
3.表中有關鍵字,如: order,level,address,degree,from等。(本人就是使用了from關鍵字)
4.在配置文件中不小心寫了兩個同名屬性,如:
<?xml version="1.0"?><!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN""http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"><hibernate-mapping package="org.hibernate.auction"> <class name="com.runsky.domain.AdditionalInformation" table="AdditionalInformation" lazy="false"> <id name="id" column ="ID" length="32"> <generator class="uuid.hex"/> </id> <property name="tag" column ="tag" /> <property name="content" column ="content" /> <property name="id" column ="id" /> </class></hibernate-mapping>
5.全類名寫錯了
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