部门模块完善及岗位模块
部门模块删除
DepartmentService
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18package cn.itcast.shoa.service;
import java.io.Serializable;
import java.util.Collection;
import cn.itcast.shoa.domain.system.Department;
public interface DepartmentService{
//Collection集合的最顶级接口
public Collection<Department> getAllDepartments();
public void saveDepartment(Department department);
//删除部门方法
public void deleteDepartment(Long id);
//获取部门id方法
public Department getDepartmentById(Serializable id);
}DepartmentServiceImpl
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42package cn.itcast.shoa.service.impl;
import java.io.Serializable;
import java.util.Collection;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import cn.itcast.shoa.dao.DepartmentDao;
import cn.itcast.shoa.domain.system.Department;
import cn.itcast.shoa.service.DepartmentService;
public class DepartmentServiceImpl implements DepartmentService{
private DepartmentDao departmentDao;
public Collection<Department> getAllDepartments() {
// TODO Auto-generated method stub
return this.departmentDao.getAllEntry();
}
public void saveDepartment(Department department) {
this.departmentDao.saveEntry(department);
}
public void deleteDepartment(Long id) {
// TODO Auto-generated method stub
this.departmentDao.deleteEntry(id);
}
public Department getDepartmentById(Serializable id) {
// TODO Auto-generated method stub
return this.departmentDao.getEntryById(id);
}
}DepartmentAction
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123package cn.itcast.shoa.struts.action;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.annotation.Resource;
import org.springframework.beans.BeanUtils;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import com.opensymphony.xwork2.ActionContext;
import cn.itcast.shoa.domain.system.Department;
import cn.itcast.shoa.domain.system.User;
import cn.itcast.shoa.service.DepartmentService;
import cn.itcast.shoa.struts.action.base.BaseAction;
public class DepartmentAction extends BaseAction<Department>{
private DepartmentService departmentService;
//方法名最好不以get开头
public String showAllDepartment() {
//list集合必须放入值栈中才能用ognl表达式获取数据 两种做法：对象栈与map栈
Collection<Department> departmentsList = this.departmentService.getAllDepartments();
//放入map
ActionContext.getContext().put("departmentList", departmentsList);
return listAction;
}
//测试map中迭代的元素在栈顶
public String showList() {
Department department = new Department();
department .setName("华沙");
List<Department> dList = new ArrayList<Department>();
dList.add(department);
ActionContext.getContext().put("dlist", dList);
return listAction;
}
public String showMap() {
Department department = new Department();
department .setName("华沙");
Map<String, Department> map = new HashMap<String, Department>();
map.put("m1", department);
ActionContext.getContext().put("map", map);
return listAction;
}
public String showListMap() {
List<Map<String, Department>> list = new ArrayList<Map<String,Department>>();
Map<String, Department> map = new HashMap<String, Department>();
Department department = new Department();
department.setName("沙耶香");
map.put("M1", department);
list.add(map);
ActionContext.getContext().put("listMap", list);
return listAction;
}
public String showMapList() {
Map<String, List<Department>> map = new HashMap<String, List<Department>>();
List<Department> list = new ArrayList<Department>();
Department department = new Department();
department.setName("宫水三叶");
list.add(department);
map.put("list1", list);
ActionContext.getContext().put("maplist", map);
return listAction;
}
public String showListMapList() {
List<Map<String, List<Department>>> list = new ArrayList<Map<String,List<Department>>>();
Department department = new Department();
department.setName("立花泷");
List<Department> dList = new ArrayList<Department>();
dList.add(department);
Map<String, List<Department>> map = new HashMap<String, List<Department>>();
map.put("map1", dList);
list.add(map);
ActionContext.getContext().put("listMapList", list);
return listAction;
}
public String addUI() {
return addUI;
}
public String add() {
Department department = new Department();
/*
* 把model的值赋值给department
*/
BeanUtils.copyProperties(this.getModel(), department);
this.departmentService.saveDepartment(department);
return action2action;
}
/**
* 1. 提取department对象
* 2. 获取该部门的所有的用户
* @return
*/
public String deleteDepartment() {
Department department = this.departmentService.getDepartmentById(this.getModel().getDid());
//提取该部门的用户
Set<User> users = department.getUsers();
for(User user:users){
user.setDepartment(null);//解除user和department之间的关系
}
this.departmentService.deleteDepartment(this.getModel().getDid());
return action2action;
}
}list.jsp
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111<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/jsp/common/common.jsp" %>
<html>
<head>
<title>部门列表</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</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="${pageContext.request.contextPath}/css/images/title_arrow.gif"/> 部门管理
</div>
<div id="Title_End"></div>
</div>
</div>
<div id="MainArea">
<table cellspacing="0" cellpadding="0" class="TableStyle">
<!-- 表头-->
<thead>
<tr align=center valign=middle id=TableTitle>
<td width="150px">部门名称</td>
<td width="200px">职能说明</td>
<td>相关操作</td>
</tr>
</thead>
<!--显示数据列表-->
<tbody id="TableData" class="dataContainer" datakey="departmentList">
<s:iterator value="#departmentList">
<tr class="TableDetail1 template">
<td><s:property value="name"/></td>
<td><s:property value="description"/></td>
<td>
<s:a action="departmentAction_deleteDepartment.action?did=%{did}">删除</s:a>
<a href="saveUI.html">修改</a>
</td>
</tr>
</s:iterator>
<s:iterator value="#dlist">
<s:debug></s:debug>
<s:property value="name"/>
</s:iterator>
<!--
Map<String,Department>
map中含有Strign，Department
-->
<s:iterator value="#map">
<s:property value="key"/>
<s:property value="value.name"/>
</s:iterator>
<!--
List<Map<String,Department>>
-->
<s:iterator value="#listMap">
<!--
list集合中当前迭代的元素在栈顶，所以map在栈顶，如果s:iterator中的value属性不写，默认迭代栈顶的元素
map的key为M1 这里可不写
-->
<s:iterator>
<s:property value="key"/>
<s:property value="value.name"/>
</s:iterator>
</s:iterator>
<!--
Map<String,List<Department>>
-->
<s:iterator value="#maplist">
<s:property value="key"/>
<s:iterator value="value">
<s:property value="name"/>
</s:iterator>
</s:iterator>
<!--
List<Map<String,List<Department>>>
-->
<s:iterator value="#listMapList">
<s:iterator>
<s:property value="key"/>
<s:iterator value="value">
<s:property value="name"/>
</s:iterator>
</s:iterator>
</s:iterator>
</tbody>
</table>
<!-- 其他功能超链接 -->
<div id="TableTail">
<div id="TableTail_inside">
<a href="departmentAction_addUI.action"><img src="${pageContext.request.contextPath}/css/images/createNew.png" /></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>
部门模块修改
DepartmentAction
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14public String updateUI() {
//数据回显
Department department = this.departmentService.getDepartmentById(this.getModel().getDid());
//放入栈顶
ActionContext.getContext().getValueStack().push(department);
return UPDATE_UI;
}
public String update() {
Department department = this.departmentService.getDepartmentById(this.getModel().getDid());
BeanUtils.copyProperties(this.getModel(), department);
this.departmentService.updateDepartment(department);
return action2action;
}DepartmentService
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public void updateDepartment(Department department);
DepartmentServiceImpl
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public void updateDepartment(Department department) {
// TODO Auto-generated method stub
this.departmentDao.updateEntry(department);
}struts-department.xml
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<result name="updateUI">/WEB-INF/jsp/system/department/update.jsp</result>
update.jsp
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59<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/jsp/common/common.jsp" %>
<html>
<head>
<title>部门设置</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</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="${pageContext.request.contextPath}/css/images/title_arrow.gif"/> 部门信息
</div>
<div id="Title_End"></div>
</div>
</div>
<!--显示表单内容-->
<div id=MainArea>
<s:form action="departmentAction_update.action">
<s:hidden name="did"></s:hidden>
<div class="ItemBlock_Title1"><!-- 信息说明<DIV CLASS="ItemBlock_Title1">
<IMG BORDER="0" WIDTH="4" HEIGHT="7" SRC="${pageContext.request.contextPath}/css/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>部门名称</td>
<td><s:textfield name="name" cssClass="InputStyle"></s:textfield></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="${pageContext.request.contextPath}/css/images/save.png"/>
<a href="javascript:history.go(-1);"><img src="${pageContext.request.contextPath}/css/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>list.jsp
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2<s:a action="departmentAction_deleteDepartment.action?did=%{did}">删除</s:a>
<s:a action="departmentAction_updateUI.action?did=%{did}">修改</s:a>
注意事项
在列表页面中：
<s:a action=”departmentAction_deleteDepartment.action?did=”>< /s:a>
说明：
struts2的标签只能跟ognl表达式
html标签只能跟el表达式
在struts2的标签中:
s:property中的value属性
s:iterator中的value属性
s:select中的value属性
以上这些属性都直接能跟ognl表达式寻找相应的数据
s:textfield,s:a中的action等都不能直接跟ognl表达式
<s:textfield name=”aa” value=”aa” />
上述的标签的值为”aa”
<s:textfield name=”aa” value=”%{aa}” />
上述标签中的值为对象栈中key值为aa对应的value属性的值
在部门模块中，部门和用户是有关联的
如果在用户表中有一个外键值正好是要删除的部门的主键值，这个时候，删除部门就会报错：主外键的约束
hibernate在数据库的外键方面的处理:
外键的维护
一对多
对象与集合的关系
多对多
对象与集合的关系
多对一
对象与对象的关系
回显
把一个对象放入对象栈或map栈中都可以进行回显
放在对象栈中的属性可以利用struts2标签中的name属性进行回显
放在map栈中的属性可以利用struts2标签中的value属性进行回显
struts2中两个很重要的拦截器
在struts2中获取页面上表单数据有两种方案
- 利用属性驱动获取表单中的数据
- 利用模型驱动获取表单中的数据
原理
struts2内部有两个拦截器
在没有任何配置拦截器的情况下，struts2执行默认的拦截器栈defaultStack
defaultStack中
params
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<interceptor name="params" class="com.opensymphony.xwork2.interceptor.ParametersInterceptor"/>
ModelDrivenInterceptor
在action中
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4Department department = this.departmentService.getDepartmentById(this.getModel().getDid());
//放入栈顶
ActionContext.getContext().getValueStack().push(department);
ActionContext.getContext().getValueStack().setParameter("name", "bb");在第二行代码中，把department放入对象栈的栈顶，所以department中的属性可以直接在对象栈中进行访问
利用第三行代码访问了department的name属性，并将name的属性值改为”bb”
属性驱动的原理
当前访问的action在对象栈中，所以action中的属性就为对象栈中的key值
页面表单的name属性的值要与action中属性的名称保持一致
在parameterInterceptor中
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7//把页面上表单的元素的key,value封装成一个map
Map<String,Object> parameters = retrieveParameters(ac);
//从map中把key和value值提取出来
String name = entry.getKey();
Object value = entry.getValue();
//给对象栈中的key值赋值相应的value的值
newStack.setParameter(naem,value);
模型驱动-ModelDrivenInterceptor
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13Object action = invocation.getAction();
if (action instanceof ModelDriven) {
ModelDriven modelDriven = (ModelDriven) action;
ValueStack stack = invocation.getStack();
Object model = modelDriven.getModel();
if (model != null) {
stack.push(model);
}
if (refreshModelBeforeResult) {
invocation.addPreResultListener(new RefreshModelBeforeResult(modelDriven, model));
}
}作用就是把模型驱动对象放入栈顶
岗位模块
RoleDao
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8package cn.itcast.shoa.dao;
import cn.itcast.shoa.dao.base.BaseDao;
import cn.itcast.shoa.domain.system.Role;
public interface RoleDao extends BaseDao<Role>{
}RoleDaoImpl
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12package cn.itcast.shoa.dao.impl;
import org.springframework.stereotype.Repository;
import cn.itcast.shoa.dao.RoleDao;
import cn.itcast.shoa.dao.base.impl.BaseDaoImpl;
import cn.itcast.shoa.domain.system.Role;
public class RoleDaoImpl extends BaseDaoImpl<Role> implements RoleDao{
}RoleService
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19package cn.itcast.shoa.service;
import java.io.Serializable;
import java.util.Collection;
import cn.itcast.shoa.domain.system.Role;
public interface RoleService {
public Collection<Role> getAllRole();
public Role getRoleById(Serializable id);
public void saveRole(Role role);
public void deleteRole(Serializable id);
public void updateRole(Role role);
}RoleServiceImpl
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51package cn.itcast.shoa.service.impl;
import java.io.Serializable;
import java.util.Collection;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import cn.itcast.shoa.dao.RoleDao;
import cn.itcast.shoa.domain.system.Role;
import cn.itcast.shoa.service.RoleService;
public class RoleServiceImpl implements RoleService{
private RoleDao roleDao;
public Collection<Role> getAllRole() {
// TODO Auto-generated method stub
return this.roleDao.getAllEntry();
}
public Role getRoleById(Serializable id) {
// TODO Auto-generated method stub
return this.roleDao.getEntryById(id);
}
public void saveRole(Role role) {
// TODO Auto-generated method stub
this.roleDao.saveEntry(role);
}
public void deleteRole(Serializable id) {
// TODO Auto-generated method stub
this.roleDao.deleteEntry(id);
}
public void updateRole(Role role) {
// TODO Auto-generated method stub
this.roleDao.updateEntry(role);
}
}RoleAction
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73package cn.itcast.shoa.struts.action;
import java.util.Collection;
import java.util.Set;
import javax.annotation.Resource;
import org.springframework.beans.BeanUtils;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import com.opensymphony.xwork2.ActionContext;
import cn.itcast.shoa.domain.system.Department;
import cn.itcast.shoa.domain.system.Role;
import cn.itcast.shoa.domain.system.User;
import cn.itcast.shoa.service.RoleService;
import cn.itcast.shoa.struts.action.base.BaseAction;
public class RoleAction extends BaseAction<Role>{
private RoleService roleService;
public String showAllRole() {
//list集合必须放入值栈中才能用ognl表达式获取数据 两种做法：对象栈与map栈
Collection<Role> roleList = this.roleService.getAllRole();
//放入map
ActionContext.getContext().put("roleList", roleList);
return listAction;
}
public String addUI() {
return addUI;
}
public String add() {
Role role = new Role();
/*
* 把model的值赋值给department
*/
BeanUtils.copyProperties(this.getModel(), role);
this.roleService.saveRole(role);
return action2action;
}
/**
* 1. 提取department对象
* 2. 获取该部门的所有的用户
* @return
*/
public String deleteRole() {
this.roleService.deleteRole(this.getModel().getRid());
return action2action;
}
public String updateUI() {
//数据回显
Role role = this.roleService.getRoleById(this.getModel().getRid());
//放入栈顶
ActionContext.getContext().getValueStack().push(role);
return UPDATE_UI;
}
public String update() {
Role role = this.roleService.getRoleById(this.getModel().getRid());
BeanUtils.copyProperties(this.getModel(), role);
this.roleService.updateRole(role);
return action2action;
}
}struts.xml
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<struts>
<constant name="struts.devMode" value="true"/>
<constant name="struts.ui.theme" value="simple"/>
<include file="struts/struts-person.xml"></include>
<include file="struts/struts-department.xml"></include>
<include file="struts/struts-role.xml"></include>
</struts>struts-role.xml
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<struts>
<package name="role" namespace="/" extends="struts-default">
<action name="roleAction_*" method="{1}" class="roleAction">
<result name="listAction">/WEB-INF/jsp/system/role/list.jsp</result>
<result name="addUI">/WEB-INF/jsp/system/role/add.jsp</result>
<result name="updateUI">/WEB-INF/jsp/system/role/update.jsp</result>
<result name="action2action" type="redirectAction">roleAction_showAllRole.action</result>
</action>
</package>
</struts>list.jsp
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55<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/jsp/common/common.jsp"%>
<html>
<head>
<title>岗位列表</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</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="${pageContext.request.contextPath}/css/images/title_arrow.gif"/> 岗位管理
</div>
<div id="Title_End"></div>
</div>
</div>
<div id="MainArea">
<table cellspacing="0" cellpadding="0" class="TableStyle">
<!-- 表头-->
<thead>
<tr align="CENTER" valign="MIDDLE" id="TableTitle">
<td width="200px">岗位名称</td>
<td width="300px">岗位说明</td>
<td>相关操作</td>
</tr>
</thead>
<!--显示数据列表-->
<tbody id="TableData" class="dataContainer" datakey="roleList">
<s:iterator value="#roleList">
<tr class="TableDetail1 template">
<td><s:property value="name"/></td>
<td><s:property value="description"/></td>
<td>
<s:a action="roleAction_deleteRole.action?rid=%{rid}">删除</s:a>
<s:a action="roleAction_updateUI.action?rid=%{rid}">修改</s:a>
</td>
</tr>
</s:iterator>
</tbody>
</table>
<!-- 其他功能超链接 -->
<div id="TableTail">
<div id="TableTail_inside">
<a href="roleAction_addUI.action"><img src="${pageContext.request.contextPath}/css/images/createNew.png" /></a>
</div>
</div>
</div>
</body>
</html>add.jsp
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53<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/jsp/common/common.jsp"%>
<html>
<head>
<title>岗位设置</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</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="${pageContext.request.contextPath}/css/images/title_arrow.gif"/> 岗位设置
</div>
<div id="Title_End"></div>
</div>
</div>
<!--显示表单内容-->
<div id="MainArea">
<s:form action="roleAction_add.action">
<div class="ItemBlock_Title1"><!-- 信息说明<DIV CLASS="ItemBlock_Title1">
<IMG BORDER="0" WIDTH="4" HEIGHT="7" SRC="${pageContext.request.contextPath}/css/blue/images/item_point.gif" /> 岗位信息 </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">岗位名称</td>
<td><s:textfield name="name" cssClass="InputStyle"></s:textfield></td>
</tr>
<tr>
<td>岗位说明</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="${pageContext.request.contextPath}/css/images/save.png"/>
<a href="javascript:history.go(-1);"><img src="${pageContext.request.contextPath}/css/images/goBack.png"/></a>
</div>
</s:form>
</div>
</body>
</html>update.jsp
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54<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/jsp/common/common.jsp"%>
<html>
<head>
<title>岗位设置</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</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="${pageContext.request.contextPath}/css/images/title_arrow.gif"/> 岗位设置
</div>
<div id="Title_End"></div>
</div>
</div>
<!--显示表单内容-->
<div id="MainArea">
<s:form action="roleAction_update.action">
<s:hidden name="rid"></s:hidden>
<div class="ItemBlock_Title1"><!-- 信息说明<DIV CLASS="ItemBlock_Title1">
<IMG BORDER="0" WIDTH="4" HEIGHT="7" SRC="${pageContext.request.contextPath}/css/blue/images/item_point.gif" /> 岗位信息 </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">岗位名称</td>
<td><s:textfield name="name" cssClass="InputStyle"></s:textfield></td>
</tr>
<tr>
<td>岗位说明</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="${pageContext.request.contextPath}/css/images/save.png"/>
<a href="javascript:history.go(-1);"><img src="${pageContext.request.contextPath}/css/images/goBack.png"/></a>
</div>
</s:form>
</div>
</body>
</html>
