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Spring（五）：Spring&Struts2&Hibernate整合后，实现查询Employee信息
- 背景：
基于之前两篇文章《Spring（三）：Spring整合Hibernate》、《Spring（四）：Spring整合Hibernate，之后整合Struts2》，了解了如何整合SSH的过程，但还不知道整合后在项目中该怎么开发使用，本文主要讲解的是基于SSH实现Employee信息查询功能的使用。
- 新建Employee,Department实体类，并添加对应类的hibernate实体配置文件
新建包com.dx.ssh.entities，在该包下创建Employee、Department实体类，并添加对应的hibernate实体配置文件Employee.hbm.xml、Department.hbm.xml
Employee.java
1 package com.dx.ssh.entities; 2 3 public class Department { 4 private Integer id; 5 private String deparmentName; 6 7 public Integer getId() { 8 return id; 9 }10 11 public void setId(Integer id) {12 this.id = id;13 }14 15 public String getDeparmentName() {16 return deparmentName;17 }18 19 public void setDeparmentName(String deparmentName) {20 this.deparmentName = deparmentName;21 }22 }
Employee.hbm.xml
1 <?xml version="1.0"?> 2 <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 3 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> 4 <!-- Generated 2017-5-9 16:33:32 by Hibernate Tools 3.5.0.Final --> 5 <hibernate-mapping> 6 <class name="com.dx.ssh.entities.Department" table="SSH_DEPARTMENT"> 7 <id name="id" type="java.lang.Integer"> 8 <column name="ID" /> 9 <generator class="native" />10 </id>11 <property name="deparmentName" type="java.lang.String">12 <column name="DEPARMENTNAME" />13 </property>14 </class>15 </hibernate-mapping>
Department.java
1 package com.dx.ssh.entities; 2 3 import java.util.Date; 4 5 public class Employee { 6 private Integer id; 7 private String lastName; 8 private String email; 9 private Date birth;10 // 不能被修改11 private Date createTime;12 // n:1的关系13 private Department department;14 15 public Integer getId() {16 return id;17 }18 19 public void setId(Integer id) {20 this.id = id;21 }22 23 public String getLastName() {24 return lastName;25 }26 27 public void setLastName(String lastName) {28 this.lastName = lastName;29 }30 31 public String getEmail() {32 return email;33 }34 35 public void setEmail(String email) {36 this.email = email;37 }38 39 public Date getBirth() {40 return birth;41 }42 43 public void setBirth(Date birth) {44 this.birth = birth;45 }46 47 public Date getCreateTime() {48 return createTime;49 }50 51 public void setCreateTime(Date createTime) {52 this.createTime = createTime;53 }54 55 public Department getDepartment() {56 return department;57 }58 59 public void setDepartment(Department department) {60 this.department = department;61 }62 }
Department.hbm.xml
1 <?xml version="1.0"?> 2 <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 3 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> 4 <!-- Generated 2017-5-9 16:33:32 by Hibernate Tools 3.5.0.Final --> 5 <hibernate-mapping> 6 <class name="com.dx.ssh.entities.Employee" table="SSH_EMPLOYEE"> 7 <id name="id" type="java.lang.Integer"> 8 <column name="ID" /> 9 <generator class="native" />10 </id>11 <property name="lastName" type="java.lang.String">12 <column name="LASTNAME" />13 </property>14 <property name="email" type="java.lang.String">15 <column name="EMAIL" />16 </property>17 <property name="birth" type="java.util.Date">18 <column name="BIRTH" />19 </property>20 <property name="createTime" type="java.util.Date">21 <column name="CREATETIME" />22 </property>23 <!-- 单项N:1关联关系 -->24 <many-to-one name="department" class="com.dx.ssh.entities.Department">25 <column name="DEPARTMENT_ID" />26 </many-to-one>27 </class>28 </hibernate-mapping>
Spring（五）：Spring&Struts2&Hibernate整合后，实现查询Employee信息
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