实战3--设计管理模块, 第4步, 新增模块, 部门管理
一... 设计实体类/表
1. 写实体类Department.java:
package cn.itcast.oa.domain;
public class Department {
private Long id;
private String name;
private String description;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
}
2. 写映射文件Department.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 package="cn.itcast.oa.domain">
<class name="Department" table="itcast_department">
<id name="id">
<generator class="native"></generator>
</id>
<property name="name" />
<property name="description" />
</class>
</hibernate-mapping>
3. 把实体类加入到hibernate.cfg.xml
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- Database connection settings -->
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<!-- 2. other configuration -->
<property name="show_sql">true</property>
<property name="hbm2ddl.auto">update</property>
<property name="connection.pool_size">1</property>
<!--3. mapping -->
<mapping resource="cn/itcast/oa/domain/User.hbm.xml" />
<mapping resource="cn/itcast/oa/domain/Role.hbm.xml" />
<mapping resource="cn/itcast/oa/domain/Department.hbm.xml" />
</session-factory>
</hibernate-configuration>
4. 测试类生成表:SpringTest.java
package cn.itcast.oa.test;
import org.hibernate.SessionFactory;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class SpringTest {
private ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
@Test
public void testSessionFactory() throws Exception{
SessionFactory sessionFactory = (SessionFactory)ac.getBean("sessionFactory");
System.out.println(sessionFactory);
}
}
确认生成表成功!!!
二.. 分析有几个功能, 对应几个请求
1. 搭action框架
注意: @Controller @Scope("prototype")
package cn.itcast.oa.view.action; import javax.annotation.Resource; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Controller; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport;
@Controller @Scope("prototype") public class DepartmentAction extends ActionSupport{ /*列表*/ public String list() throws Exception { return "list"; } /*删除*/ public String delete() throws Exception { return "toList"; } /*添加页面*/ public String addUI() throws Exception { return "saveUI"; } /*添加*/ public String add() throws Exception { return "toList"; } /*修改页面*/ public String editUI() throws Exception { return "saveUI"; } /*修改*/ public String edit() throws Exception { return "toList"; } }
2. 配置struts.xml:
<!-- 部门管理 -->
<action name="department_*" class="departmentAction" method="{1}">
<result name="list">/WEB-INF/jsp/departmentAction/list.jsp</result>
<result name="saveUI">/WEB-INF/jsp/departmentAction/saveUI.jsp</result>
<result name="toList" type="redirectAction">department_list</result>
</action>
3. 写两个简单的jsp文件, 验证成功
4. 开始完善action:
package cn.itcast.oa.view.action;
import java.util.List;
import javax.annotation.Resource;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import cn.itcast.oa.domain.Department;
import cn.itcast.oa.service.DepartmentService;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
@Controller
@Scope("prototype")
public class DepartmentAction extends ActionSupport implements ModelDriven<Department>{
@Resource
private DepartmentService departmentService;
private Department model = new Department();
/*列表*/
public String list() throws Exception {
List<Department> departmentList = departmentService.findAll();
ActionContext.getContext().put("departmentList", departmentList);
return "list";
}
/*删除*/
public String delete() throws Exception {
departmentService.delete(model.getId());
return "toList";
}
/*添加页面*/
public String addUI() throws Exception {
return "saveUI";
}
/*添加*/
public String add() throws Exception {
departmentService.save(model);
return "toList";
}
/*修改页面*/
public String editUI() throws Exception {
/*准备回显数据*/
Department department = departmentService.getById(model.getId());
ActionContext.getContext().getValueStack().push(department);
return "saveUI";
}
/*修改*/
public String edit() throws Exception {
// 1. 从数据库取出原对象
Department department = departmentService.getById(model.getId());
//2. 设置要修改的属性
department.setName(model.getName());
department.setDescription(model.getDescription());
//3. 更新到数据库
departmentService.update(department);
return "toList";
}
public Department getModel() {
// TODO Auto-generated method stub
return model;
}
}
5. 写service接口, DepartmentService.java, 是在action里调用方法的时候ctrl+1创建的方法
package cn.itcast.oa.service;
import java.util.List;
import cn.itcast.oa.domain.Department;
public interface DepartmentService {
List<Department> findAll();
void delete(Long id);
void save(Department model);
Department getById(Long id);
void update(Department department);
}
6. 创建DepartmentService接口的实现类, DepartmentServiceImpl.java
注意@Service, @Transactional, 用Dao的时候用@Resource
package cn.itcast.oa.service.impl;
import java.util.List;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import cn.itcast.oa.dao.DepartmentDao;
import cn.itcast.oa.domain.Department;
import cn.itcast.oa.service.DepartmentService;
@Service
@Transactional
public class DepartmentServiceImpl implements DepartmentService{
@Resource
private DepartmentDao departmentDao;
public List<Department> findAll() {
return departmentDao.findAll();
}
public void delete(Long id) {
departmentDao.delete(id);
}
public void save(Department model) {
departmentDao.save(model);
}
public Department getById(Long id) {
return departmentDao.getById(id);
}
public void update(Department department) {
departmentDao.update(department);
}
}
三.. 创建Dao接口和实现类
1. Dao接口, DepartmentDao.java, 注意要继承BaseDao接口
package cn.itcast.oa.dao;
import cn.itcast.oa.base.BaseDao;
import cn.itcast.oa.domain.Department;
public interface DepartmentDao extends BaseDao<Department>{
}
2. 实现类DepartmentDaoImpl.java,
注意1. 继承BaseDaoImpl, 2. 实现DepartmentDao 3. @Repository
package cn.itcast.oa.dao.impl;
import org.springframework.stereotype.Repository;
import cn.itcast.oa.base.BaseDaoImpl;
import cn.itcast.oa.dao.DepartmentDao;
import cn.itcast.oa.domain.Department;
@Repository
public class DepartmentDaoImpl extends BaseDaoImpl<Department> implements DepartmentDao{
}
四.. 写jsp页面:
新建jsp路径下的departmentAction文件夹, 创建两个jsp文件夹, list.jsp,和 saveUI.jsp
list.jsp:
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<%String path = request.getContextPath();%>
<html>
<head>
<title>部门列表</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script language="javascript" type="text/javascript" src=<%=path%>/script/jquery.js"></script>
<script language="javascript" type="text/javascript" src=<%=path%>/script/pageCommon.js"></script>
<script language="javascript" type="text/javascript" src=<%=path%>/script/PageUtils.js"></script>
<link type="text/css" rel="stylesheet" href="<%=path%>/style/blue/pageCommon.css"/>
<script type="text/javascript">
</script>
</head>
<body>
<div id="Title_bar">
<div id="Title_bar_Head">
<div id="Title_Head"></div>
<div id="Title"><!--页面标题-->
<img border="0" width="13" height="13" src="<%=path%>/style/images/title_arrow.gif"/> 部门管理
</div>
<div id="Title_End"></div>
</div>
</div>
<div id="MainArea">
<table cellspacing="0" cellpadding="0" class="TableStyle">
<!-- 表头-->
<thead>
<tr align=center valign=middle id=TableTitle>
<td width="150px">部门名称</td>
<td width="150px">上级部门名称</td>
<td width="200px">职能说明</td>
<td>相关操作</td>
</tr>
</thead>
<!--显示数据列表-->
<tbody id="TableData" class="dataContainer" datakey="departmentList">
<s:iterator value="#departmentList">
<tr class="TableDetail1 template">
<td>${name} </td>
<td>${parent.name} </td>
<td>${description} </td>
<td>
<s:a action="department_delete?id=%{id}" onclick="return window.confirm('这将删除所有的下级部门，您确定要删除吗？')">删除</s:a>
<s:a action="department_editUI?id=%{id}">修改</s:a>
</td>
</tr>
</s:iterator>
</tbody>
</table>
<!-- 其他功能超链接 -->
<div id="TableTail">
<div id="TableTail_inside">
<s:a action="department_addUI"><img src="<%=path%>/style/images/createNew.png" /></s:a>
</div>
</div>
</div>
<!--说明-->
<div id="Description">
说明：<br />
1，列表页面只显示一层的（同级的）部门数据，默认显示最顶级的部门列表。<br />
2，点击部门名称，可以查看此部门相应的下级部门列表。<br />
3，删除部门时，同时删除此部门的所有下级部门。
</div>
</body>
</html>
saveUI.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<%String path = request.getContextPath();%>
<html>
<head>
<title>部门设置</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script language="javascript" type="text/javascript" src=<%=path%>/script/jquery.js"></script>
<script language="javascript" type="text/javascript" src=<%=path%>/script/pageCommon.js"></script>
<script language="javascript" type="text/javascript" src=<%=path%>/script/PageUtils.js"></script>
<link type="text/css" rel="stylesheet" href="<%=path%>/style/blue/pageCommon.css"/>
</head>
<body>
<!-- 标题显示 -->
<div id="Title_bar">
<div id="Title_bar_Head">
<div id="Title_Head"></div>
<div id="Title"><!--页面标题-->
<img border="0" width="13" height="13" src="<%=path%>/style/images/title_arrow.gif"/> 部门信息
</div>
<div id="Title_End"></div>
</div>
</div>
<!--显示表单内容-->
<div id=MainArea>
<s:form action="department_%{id == null ? 'add' : 'edit'}">
<s:hidden name="id"></s:hidden>
<div class="ItemBlock_Title1"><!-- 信息说明<DIV CLASS="ItemBlock_Title1">
<IMG BORDER="0" WIDTH="4" HEIGHT="7" SRC="${pageContext.request.contextPath}/style/blue/images/item_point.gif" /> 部门信息 </DIV> -->
</div>
<!-- 表单内容显示 -->
<div class="ItemBlockBorder">
<div class="ItemBlock">
<table cellpadding="0" cellspacing="0" class="mainForm">
<tr><td width="100">上级部门</td>
<td><select name="parentId" class="SelectStyle">
<option value="">请选择部门</option>
<option value="7">┠总经理室</option>
<option value="1">┠市场部</option>
<option value="2"> ┠咨询部</option>
<option value="3"> ┠招生部</option>
<option value="4">┠教学部</option>
<option value="5">┠后勤部</option>
</select>
</td>
</tr>
<tr><td>部门名称</td>
<td><s:textfield name="name" cssClass="InputStyle"/> *</td>
</tr>
<tr><td>职能说明</td>
<td><s:textarea name="description" cssClass="TextareaStyle"></s:textarea></td>
</tr>
</table>
</div>
</div>
<!-- 表单操作 -->
<div id="InputDetailBar">
<input type="image" src="<%=path%>/style/images/save.png"/>
<a href="javascript:history.go(-1);"><img src="<%=path%>/style/images/goBack.png"/></a>
</div>
</s:form>
</div>
<div class="Description">
说明：<br />
1，上级部门的列表是有层次结构的（树形）。<br/>
2，如果是修改：上级部门列表中不能显示当前修改的部门及其子孙部门。因为不能选择自已或自已的子部门作为上级部门。<br />
</div>
</body>
</html>
