hibernate中数组如何对应到数据库中

public class POJO implements java.io.Serializable { private String[] strs; public String[] getStrs() { return strs; } public void setStrs(String[] strs) { this.strs = strs; }}

为什么不换种思维？

Java code

    
    
    
    

     
     
     
      
     
     
     
     public
     
     
     
      
     
     
     
     class
     
     
     
      POJO 
     
     
     
     implements
     
     
     
      java.io.Serializable { 
     
     
     
     private
     
     
     
      Integer id; 
     
     
     
     private
     
     
     
      String strs; 
     
     
     
     public
     
     
     
      Integer getId(){ 
     
     
     
     return
     
     
     
      id; } 
     
     
     
     public
     
     
     
      
     
     
     
     void
     
     
     
      setId(Integer id){ 
     
     
     
     this
     
     
     
     .id 
     
     
     
     =
     
     
     
      id; } 
     
     
     
     public
     
     
     
      String getStrs() { 
     
     
     
     return
     
     
     
      strs; } 
     
     
     
     public
     
     
     
      
     
     
     
     void
     
     
     
      setStrs(String strs) { 
     
     
     
     this
     
     
     
     .strs 
     
     
     
     =
     
     
     
      strs; } } 
     
     
     
     //
     
     
     
     hbm.xml，假设POJO类路径为com.csdn.bean.POJO
     
     
     
      
     
     
     
     <?
     
     
     
     xml version
     
     
     
     =
     
     
     
     "
     
     
     
     1.0
     
     
     
     "
     
     
     
      encoding
     
     
     
     =
     
     
     
     "
     
     
     
     utf-8
     
     
     
     "
     
     
     
     ?>
     
     
     
      
     
     
     
     <!
     
     
     
     DOCTYPE hibernate
     
     
     
     -
     
     
     
     mapping PUBLIC 
     
     
     
     "
     
     
     
     -//Hibernate/Hibernate Mapping DTD 3.0//EN
     
     
     
     "
     
     
     
      
     
     
     
     "
     
     
     
     http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd
     
     
     
     "
     
     
     
     >
     
     
     
      
     
     
     
     <!--
     
     
     
      Mapping file autogenerated by MyEclipse Persistence Tools 
     
     
     
     -->
     
     
     
      
     
     
     
     <
     
     
     
     hibernate
     
     
     
     -
     
     
     
     mapping
     
     
     
     >
     
     
     
      
     
     
     
     <
     
     
     
     class
     
     
     
      name
     
     
     
     =
     
     
     
     "
     
     
     
     com.csdn.bean.POJO
     
     
     
     "
     
     
     
      table
     
     
     
     =
     
     
     
     "
     
     
     
     pojo
     
     
     
     "
     
     
     
     >
     
     
     
      
     
     
     
     <
     
     
     
     id name
     
     
     
     =
     
     
     
     "
     
     
     
     id
     
     
     
     "
     
     
     
      type
     
     
     
     =
     
     
     
     "
     
     
     
     integer
     
     
     
     "
     
     
     
     >
     
     
     
      
     
     
     
     <
     
     
     
     column name
     
     
     
     =
     
     
     
     "
     
     
     
     ID
     
     
     
     "
     
     
     
      
     
     
     
     />
     
     
     
      
     
     
     
     <
     
     
     
     generator 
     
     
     
     class
     
     
     
     =
     
     
     
     "
     
     
     
     increment
     
     
     
     "
     
     
     
      
     
     
     
     />
     
     
     
      
     
     
     
     </
     
     
     
     id
     
     
     
     >
     
     
     
      
     
     
     
     <
     
     
     
     property name
     
     
     
     =
     
     
     
     "
     
     
     
     strval
     
     
     
     "
     
     
     
      type
     
     
     
     =
     
     
     
     "
     
     
     
     string
     
     
     
     "
     
     
     
     >
     
     
     
      
     
     
     
     <
     
     
     
     column name
     
     
     
     =
     
     
     
     "
     
     
     
     field_strval
     
     
     
     "
     
     
     
      not
     
     
     
     -
     
     
     
     null
     
     
     
     =
     
     
     
     "
     
     
     
     true
     
     
     
     "
     
     
     
     />
     
     
     
      
     
     
     
     </
     
     
     
     property
     
     
     
     >
     
     
     
      
     
     
     
     </
     
     
     
     class
     
     
     
     >
     
     
     
      
     
     
     
     </
     
     
     
     hibernate
     
     
     
     -
     
     
     
     mapping
     
     
     
     >
     
     
     
      
    
    
    
    

当要使用strs时：
String strs = pojo.getStrs();
String[] result = strs.split(",");