类Classinfo.java
package pojo;
import java.io.Serializable;
import org.apache.commons.lang.builder.ToStringBuilder;/**
* The persistent class for the classinfo database table.
*
* @author BEA Workshop Studio
*/
public class Classinfo implements Serializable {
//default serial version id, required for serializable classes.
private static final long serialVersionUID = 1L;
private Integer classId;
private String classUrl;
private String classname;
private String isDelete;
private String isNavi;
private Integer rotId;
private Integer pid;
private java.util.Set<Roleinfo> roleInfo;
//private java.util.Set<Roleinfo> roleinfos; public Classinfo() {
} public Integer getClassId() {
return this.classId;
}
public void setClassId(Integer classId) {
this.classId = classId;
} public String getClassUrl() {
return this.classUrl;
}
public void setClassUrl(String classUrl) {
this.classUrl = classUrl;
} public String getClassname() {
return this.classname;
}
public void setClassname(String classname) {
this.classname = classname;
} public String getIsDelete() {
return this.isDelete;
}
public void setIsDelete(String isDelete) {
this.isDelete = isDelete;
} public String getIsNavi() {
return this.isNavi;
}
public void setIsNavi(String isNavi) {
this.isNavi = isNavi;
} public Integer getRotId() {
return this.rotId;
}
public void setRotId(Integer rotId) {
this.rotId = rotId;
} public Integer getPid() {
return this.pid;
}
public void setPid(Integer pid) {
this.pid = pid;
} //bi-directional many-to-one association to Roleinfo
/*public java.util.Set<Roleinfo> getRoleinfos() {
return this.roleinfos;
}
public void setRoleinfos(java.util.Set<Roleinfo> roleinfos) {
this.roleinfos = roleinfos;
}*/ public String toString() {
return new ToStringBuilder(this)
.append("classId", getClassId())
.toString();
} public java.util.Set<Roleinfo> getRoleInfo() {
return roleInfo;
} public void setRoleInfo(java.util.Set<Roleinfo> roleInfo) {
this.roleInfo = roleInfo;
}
}
类Roleinfo
package pojo;
import java.io.Serializable;
import org.apache.commons.lang.builder.ToStringBuilder;/**
* The persistent class for the roleinfo database table.
*
* @author BEA Workshop Studio
*/
public class Roleinfo implements Serializable {
//default serial version id, required for serializable classes.
private static final long serialVersionUID = 1L;
private Integer id;
private String roleName;
private String description;
private java.util.Set<Classinfo> classInfo;
public java.util.Set<Classinfo> getClassInfo() {
return classInfo;
} public void setClassInfo(java.util.Set<Classinfo> classInfo) {
this.classInfo = classInfo;
} public Roleinfo() {
} public Integer getId() {
return this.id;
}
public void setId(Integer id) {
this.id = id;
} public String getRoleName() {
return this.roleName;
}
public void setRoleName(String roleName) {
this.roleName = roleName;
} public String getDescription() {
return this.description;
}
public void setDescription(String description) {
this.description = description;
} public String toString() {
return new ToStringBuilder(this)
.append("id", getId())
.toString();
}
}
类Role2Class.java
package pojo;public class Role2Class {
private Integer roleId;
private Integer classId;
private Integer powerId;
public Integer getPowerId() {
return powerId;
}
public void setPowerId(Integer powerId) {
this.powerId = powerId;
}
public Integer getClassId() {
return classId;
}
public void setClassId(Integer classId) {
this.classId = classId;
}
public Integer getRoleId() {
return roleId;
}
public void setRoleId(Integer roleId) {
this.roleId = roleId;
}
}
package pojo;
import java.io.Serializable;
import org.apache.commons.lang.builder.ToStringBuilder;/**
* The persistent class for the classinfo database table.
*
* @author BEA Workshop Studio
*/
public class Classinfo implements Serializable {
//default serial version id, required for serializable classes.
private static final long serialVersionUID = 1L;
private Integer classId;
private String classUrl;
private String classname;
private String isDelete;
private String isNavi;
private Integer rotId;
private Integer pid;
private java.util.Set<Roleinfo> roleInfo;
//private java.util.Set<Roleinfo> roleinfos; public Classinfo() {
} public Integer getClassId() {
return this.classId;
}
public void setClassId(Integer classId) {
this.classId = classId;
} public String getClassUrl() {
return this.classUrl;
}
public void setClassUrl(String classUrl) {
this.classUrl = classUrl;
} public String getClassname() {
return this.classname;
}
public void setClassname(String classname) {
this.classname = classname;
} public String getIsDelete() {
return this.isDelete;
}
public void setIsDelete(String isDelete) {
this.isDelete = isDelete;
} public String getIsNavi() {
return this.isNavi;
}
public void setIsNavi(String isNavi) {
this.isNavi = isNavi;
} public Integer getRotId() {
return this.rotId;
}
public void setRotId(Integer rotId) {
this.rotId = rotId;
} public Integer getPid() {
return this.pid;
}
public void setPid(Integer pid) {
this.pid = pid;
} //bi-directional many-to-one association to Roleinfo
/*public java.util.Set<Roleinfo> getRoleinfos() {
return this.roleinfos;
}
public void setRoleinfos(java.util.Set<Roleinfo> roleinfos) {
this.roleinfos = roleinfos;
}*/ public String toString() {
return new ToStringBuilder(this)
.append("classId", getClassId())
.toString();
} public java.util.Set<Roleinfo> getRoleInfo() {
return roleInfo;
} public void setRoleInfo(java.util.Set<Roleinfo> roleInfo) {
this.roleInfo = roleInfo;
}
}
类Roleinfo
package pojo;
import java.io.Serializable;
import org.apache.commons.lang.builder.ToStringBuilder;/**
* The persistent class for the roleinfo database table.
*
* @author BEA Workshop Studio
*/
public class Roleinfo implements Serializable {
//default serial version id, required for serializable classes.
private static final long serialVersionUID = 1L;
private Integer id;
private String roleName;
private String description;
private java.util.Set<Classinfo> classInfo;
public java.util.Set<Classinfo> getClassInfo() {
return classInfo;
} public void setClassInfo(java.util.Set<Classinfo> classInfo) {
this.classInfo = classInfo;
} public Roleinfo() {
} public Integer getId() {
return this.id;
}
public void setId(Integer id) {
this.id = id;
} public String getRoleName() {
return this.roleName;
}
public void setRoleName(String roleName) {
this.roleName = roleName;
} public String getDescription() {
return this.description;
}
public void setDescription(String description) {
this.description = description;
} public String toString() {
return new ToStringBuilder(this)
.append("id", getId())
.toString();
}
}
类Role2Class.java
package pojo;public class Role2Class {
private Integer roleId;
private Integer classId;
private Integer powerId;
public Integer getPowerId() {
return powerId;
}
public void setPowerId(Integer powerId) {
this.powerId = powerId;
}
public Integer getClassId() {
return classId;
}
public void setClassId(Integer classId) {
this.classId = classId;
}
public Integer getRoleId() {
return roleId;
}
public void setRoleId(Integer roleId) {
this.roleId = roleId;
}
}
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<?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>
<class
name="pojo.Classinfo"
table="classinfo"
lazy="false"
>
<id
name="classId"
type="integer"
column="ClassId"
length="4"
unsaved-value="0"
>
<generator class="increment" />
</id>
<property
name="classUrl"
type="string"
column="ClassUrl"
length="4000"
/>
<property
name="classname"
type="string"
column="Classname"
length="20"
/>
<property
name="isDelete"
type="string"
column="IsDelete"
length="2"
/>
<property
name="isNavi"
type="string"
column="IsNavi"
length="2"
/>
<property
name="rotId"
type="integer"
column="RotId"
length="4"
/>
<property
name="pid"
type="integer"
column="pId"
length="4"
/> <set name="roleInfo"
table="role2class"
cascade="save-update"
lazy="true"
inverse="false">
<key column="classId"></key>
<many-to-many
class="pojo.Roleinfo"
column="id"
outer-join="auto">
</many-to-many>
</set></class>
</hibernate-mapping>
Roleinfo.hbm.xml
<?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>
<class
name="pojo.Roleinfo"
table="roleinfo"
lazy="false"
>
<id
name="id"
type="integer"
column="id"
length="4"
unsaved-value="0"
>
<generator class="increment" />
</id>
<property
name="roleName"
type="string"
column="RoleName"
length="20"
/>
<property
name="description"
type="string"
column="description"
length="4000"
/>
<set name="classInfo"
table="role2class"
inverse="true"
lazy="true"
cascade="save-update">
<key column="id"></key>
<many-to-many class="pojo.Classinfo"
column="classId" outer-join="auto">
</many-to-many>
</set>
</class>
</hibernate-mapping>RoleDao.java
package dao.role;import java.util.List;import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;import pojo.Classinfo;
import pojo.Role2Class;
import pojo.Roleinfo;public class RoleDao extends HibernateDaoSupport implements IRoleDao {
public void saveRole(Roleinfo r) {
System.out.println(r.getRoleName());
getSession().saveOrUpdate(r);
}}
类RoleService.java
package service.role;import java.util.List;import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.support.ClassPathXmlApplicationContext;import dao.role.IRoleDao;import pojo.Classinfo;
import pojo.Roleinfo;
import service.role.IRoleService;
public class RoleService implements IRoleService{
private IRoleDao roledao=null;
public void saveRole(Roleinfo r) {
roledao.saveRole(r);
} public void setRoledao(IRoleDao roledao) {
this.roledao = roledao;
} public static void main(String[] args) {
BeanFactory factory = new ClassPathXmlApplicationContext("applicationContext*.xml");
IRoleService roleService = (IRoleService)factory.getBean("roleService");
Roleinfo r = new Roleinfo();
//r.setId(1);
//r.setId(3);
r.setRoleName("king");
r.setDescription("king");
Classinfo c = new Classinfo();
c.setClassId(1);
c.setClassname("hello");
//c.setRoleInfo(roleInfo)
System.out.println(c);
r.getClassInfo().add(c);
Integer[] ids = {4};
//roleService.deleteRole(ids);
//r.setRoleName("administrator");
//roleService.updateRole(r);
roleService.saveRole(r);
//System.out.println(roleService.findById(1).getClassinfo().getClassId());
}
}执行的时候报CGLIB2 available: proxyTargetClass feature enabled,r.getClassInfo().add(c);这句报空指针,意思是r这个对象为空,但r对象的id是自增的,不可能做出这个对象,请问怎么解决?