雇员管理系统-SSH版（七）
2017-12-23 18:55
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添加雇员信息
一 MainFrame.jsp
二 addEmpUi.jsp
三 struts-config.xml
四 EmployeeAction
六 applicationContext.xml
一 MainFrame.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html>
<head>
<title>My JSP 'MainFrame.jsp' starting page</title>
</head>
<body>
<h2>欢迎${loginuser.name} 你所在的部门名称是${loginuser.department.name } 请选择您要的操作</h2>
<a href="${pageContext.request.contextPath}/employee.do?flag=addEmpUi">添加雇员</a><br/>
<a href="${pageContext.request.contextPath}/employee.do?flag=goListEmp">显示雇员</a><br/>
<a href="#">查询雇员</a><br/>
<a href="#">退出系统</a><br/>
</body>
</html>二 addEmpUi.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html>
<head>
<title>My JSP 'addEmpUi.jsp' starting page</title>
</head>
<body>
<h1>添加雇员</h1>
<form action="${pageContext.request.contextPath}/employee.do?flag=addEmp" method="post">
<table>
<tr><td>name</td><td><input type="text" name="name" /></td></tr>
<tr><td>email</td><td><input type="text" name="email" /></td></tr>
<tr><td>grade</td><td><input type="text" name="grade" /></td></tr>
<tr><td>pwd</td><td><input type="text" name="pwd" /></td></tr>
<tr><td>salary</td><td><input type="text" name="salary" /></td></tr>
<tr><td>department</td><td>
<!-- 这里部门的信息，应当从数据库提出，而不能写死. -->
<select name="departmentId">
<option value="5">财务部</option>
</select>
</td></tr>
<tr><td><input type="submit" value="添加"/></td>
<td><input type="reset" value="重填" /></td></tr>
</table>
</form>
</body>
</html>三 struts-config.xml
<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.3//EN" "http://struts.apache.org/dtds/struts-config_1_3.dtd";> <struts-config> <form-beans> <form-bean name="employeeForm" type="com.hsp.web.forms.EmployeeForm" /> </form-beans> <action-mappings> <action path="/login" parameter="flag" name="employeeForm"> <forward name="ok" path="/WEB-INF/MainFrame.jsp"/> <forward name="err" path="/WEB-INF/login.jsp"/> </action> <!-- 配置employeeaction --> <action path="/employee" name="employeeForm" parameter="flag"> <forward name="goAddEmpUi" path="/WEB-INF/addEmpUi.jsp" /> <forward name="goListEmp" path="/WEB-INF/listEmp.jsp"/> <forward name="goUpdEmpUi" path="/WEB-INF/updEmpUi.jsp"/> </action> </action-mappings> <!-- 配置全局跳转 --> <global-forwards> <forward name="opererr" path="/WEB-INF/err.jsp" /> <forward name="operok" path="/WEB-INF/ok.jsp" /> </global-forwards> <!-- 配置代理请求处理 DelegatingRequestProcessor --> <controller> <set-property property="processorClass" value="org.springframework.web.struts.DelegatingRequestProcessor"/> </controller> </struts-config>
四 EmployeeAction
package com.hsp.web.action;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;
import com.hsp.domain.Department;
import com.hsp.domain.Employee;
import com.hsp.service.interfaces.DepartmentServiceInter;
import com.hsp.service.interfaces.EmployeeServiceInter;
import com.hsp.web.forms.EmployeeForm;
public class EmployeeAction extends DispatchAction {
private DepartmentServiceInter departmentService;
private EmployeeServiceInter employeeService;
public void setEmployeeService(EmployeeServiceInter employeeService) {
this.employeeService = employeeService;
}
public void setDepartmentService(DepartmentServiceInter departmentService) {
this.departmentService = departmentService;
}
public ActionForward addEmpUi(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
// TODO Auto-generated method stub
//打通线路
return mapping.findForward("goAddEmpUi");
}
//处理添加雇员的请求
public ActionForward addEmp(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
// TODO Auto-generated method stub
//看看这里是否能够得到用户提交的各种数据
EmployeeForm employeeForm=(EmployeeForm)form;
//System.out.println(employeeForm.getDepartmentId()+" "+employeeForm.getEmail());
//创建一个Employee对象
Employee employee=new Employee();
employee.setEmail(employeeForm.getEmail());
employee.setGrade(Integer.parseInt(employeeForm.getGrade()));
employee.setHiredate(new java.util.Date());
employee.setName(employeeForm.getName());
employee.setPwd(employeeForm.getPwd());
employee.setSalary(Float.parseFloat(employeeForm.getSalary()));
//该雇员是哪个部门!
employee.setDepartment((Department)departmentService.findById(Department.class, Integer.parseInt(employeeForm.getDepartmentId())));
//保存
try {
employeeService.add(employee);
} catch (Exception e) {
return mapping.findForward("opererr");
}
return mapping.findForward("operok");
}
public ActionForward goListEmp(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
String s_pageNow=request.getParameter("pageNow");
int pageNow=1;
if(s_pageNow!=null){
pageNow=Integer.parseInt(s_pageNow);
}
// TODO Auto-generated method stub
request.setAttribute("emplist", employeeService.showEmployList(3,pageNow));
//测试
int pageCount=employeeService.getPageCount(3);
request.setAttribute("pageCount", pageCount);
//打通线路
return mapping.findForward("goListEmp");
}
//删除雇员
public ActionForward delEmp(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
//获取雇员的id
String id=request.getParameter("id");
System.out.println("删除雇员id = "+id);
try {
employeeService.delById(Employee.class, Integer.parseInt(id));
} catch (Exception e) {
return mapping.findForward("opererr");
// TODO: handle exception
}
//打通线路
return mapping.findForward("operok");
}
//跳转到雇员的界面
public ActionForward goUpdEmpUi(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
//获取雇员的id
String id=request.getParameter("id");
//获取雇员
Employee e=(Employee) employeeService.findById(Employee.class, Integer.parseInt(id));
//显示雇员信息，在下一个页面
request.setAttribute("emp", e);
return mapping.findForward("goUpdEmpUi");
}
//更新雇员
public ActionForward updEmp(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
//获取表单
EmployeeForm ef=(EmployeeForm)form;
//ef->doamin
Employee employee=new Employee();
employee.setId(Integer.parseInt(ef.getId()));
employee.setEmail(ef.getEmail());
employee.setGrade(Integer.parseInt(ef.getGrade()));
employee.setName(ef.getName());
employee.setPwd(ef.getPwd());
employee.setSalary(Float.parseFloat(ef.getSalary()));
employee.setDepartment((Department)departmentService.findById(Department.class, Integer.parseInt(ef.getDepartmentId())));
try {
employeeService.update(employee);
} catch (Exception e) {
return mapping.findForward("opererr");
}
return mapping.findForward("operok");
}
}五 EmployeeFormpackage com.hsp.web.forms;
import org.apache.struts.action.ActionForm;
public class EmployeeForm extends ActionForm {
private String id;
private String pwd;
private String email;
private String grade;
private String name;
private String salary;
private String departmentId;
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getGrade() {
return grade;
}
public void setGrade(String grade) {
this.grade = grade;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSalary() {
return salary;
}
public void setSalary(String salary) {
this.salary = salary;
}
public String getDepartmentId() {
return departmentId;
}
public void setDepartmentId(String departmentId) {
this.departmentId = departmentId;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getPwd() {
return pwd;
}
public void setPwd(String pwd) {
this.pwd = pwd;
}
}六 applicationContext.xml
<?xml version="1.0" encoding="utf-8"?> <beans xmlns="http://www.springframework.org/schema/beans"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xmlns:context="http://www.springframework.org/schema/context"; xmlns:tx="http://www.springframework.org/schema/tx"; xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-2.5.xsd http://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx-2.5.xsd";> <!-- 启用注解扫描 --> <context:annotation-config/> <!-- 配置和一个testService对象 --> <bean id="testServcie" class="com.hsp.test.TestServcie"> <property name="name" value="test"/> </bean> <!-- 配置数据源 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="org.gjt.mm.mysql.Driver"/> <property name="url" value="jdbc:mysql://localhost:3306/employee?useUnicode=true&characterEncoding=utf-8"/> <property name="username" value="root"/> <property name="password" value="waDY820828"/> <!-- 连接池启动时的初始值 --> <property name="initialSize" value="3"/> <!-- 连接池的最大值 --> <property name="maxActive" value="500"/> <!-- 最大空闲值.当经过一个高峰时间后，连接池可以慢慢将已经用不到的连接慢慢释放一部分，一直减少到maxIdle为止 --> <property name="maxIdle" value="2"/> <!-- 最小空闲值.当空闲的连接数少于阀值时，连接池就会预申请去一些连接，以免洪峰来时来不及申请 --> <property name="minIdle" value="1"/> </bean> <!-- 配置会话工厂() --> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <!-- 设置数据源 --> <property name="dataSource" ref="dataSource"/> <!-- 接管了hibernate对象映射文件 --> <property name="mappingResources"> <list> <value>com/hsp/domain/Employee.hbm.xml</value> <value>com/hsp/domain/Department.hbm.xml</value> </list> </property> <property name="hibernateProperties"> <value> hibernate.dialect=org.hibernate.dialect.MySQLDialect hibernate.hbm2ddl.auto=update hibernate.show_sql=true hibernate.cache.use_second_level_cache=true hibernate.cache.provider_class=org.hibernate.cache.EhCacheProvider hibernate.generate_statistics=true </value> </property> </bean> <!-- 配置EmployeeService对象 --> <!-- <bean id="employeeService" class="com.hsp.service.imp.EmployeeService"> <property name="sessionFactory" ref="sessionFactory" /> </bean>--> <!-- 配置EmployeeService对象通过注解的方式来注入属性值,这是一个知识点 --> <bean id="employeeService" class="com.hsp.service.imp.EmployeeService"/> <bean id="departmentService" class="com.hsp.service.imp.DepartmentService"> <property name="sessionFactory" ref="sessionFactory"/> </bean> <!-- 配置action --> <bean name="/login" scope="prototype" class="com.hsp.web.action.LoginAction"/> <bean name="/employee" scope="prototype" class="com.hsp.web.action.EmployeeAction"> <property name="departmentService" ref="departmentService"/> <property name="employeeService" ref="employeeService"/> </bean> <!-- 配置事务管理器，统一管理sessionFactory的事务 --> <bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager"> <property name="sessionFactory" ref="sessionFactory"/> </bean> <!-- 启用事务注解 --> <tx:annotation-driven transaction-manager="txManager"/> </beans>
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