Spring+hibernate+Ajax(dwr)增加、删除、修改、查询
2011-08-28 12:48
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1.emp.hbm.xml:映射文件
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
<class name="com.emp.hib.entity.Emp" table="emp" schema="dbo" catalog="emp">
<id name="tid" type="java.lang.Long">
<column name="tid" precision="18" scale="0" />
<generator class="assigned" />
</id>
<property name="tmc" type="java.lang.String">
<column name="tmc" length="50" not-null="true" unique="true" />
</property>
<property name="tsj" type="java.sql.Date">
<column name="tsj" length="23" not-null="true" />
</property>
<property name="tnr" type="java.lang.String">
<column name="tnr" length="8000" />
</property>
<property name="tgx" type="java.lang.Integer">
<column name="tgx" not-null="true" />
</property>
</class>
</hibernate-mapping>
2.emp.java
package com.emp.hib.entity;
import java.sql.Date;
/**
* Emp entity.
*
* @author MyEclipse Persistence Tools
*/
public class Emp implements java.io.Serializable {
// Fields
private Long tid;
private String tmc;
private Date tsj;
private String tnr;
private Integer tgx;
public Long getTid() {
return this.tid;
}
public void setTid(Long tid) {
this.tid = tid;
}
public String getTmc() {
return this.tmc;
}
public void setTmc(String tmc) {
this.tmc = tmc;
}
public Date getTsj() {
return this.tsj;
}
public void setTsj(Date tsj) {
this.tsj = tsj;
}
public String getTnr() {
return this.tnr;
}
public void setTnr(String tnr) {
this.tnr = tnr;
}
public Integer getTgx() {
return this.tgx;
}
public void setTgx(Integer tgx) {
this.tgx = tgx;
}
}
3.接口IEmpService :
package com.emp.web.service;
import java.util.List;
import com.emp.hib.entity.Emp;
public interface IEmpService {
//添加
public void addEmp(Emp emp);
//修改
public void updateEmp(Emp emp);
//根据Id得到员工
public Emp getEmp(Long id);
//删除指定Id的员工
public void delEmp(Long id);
//得到所有员工
public List<Emp> getEmps(String hql);
}
4.实现类EmpService
package com.emp.web.service;
import java.util.List;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.emp.hib.entity.Emp;
public class EmpService extends HibernateDaoSupport implements IEmpService {
// 添加
public void addEmp(Emp emp) {
try {
super.getHibernateTemplate().save(emp);
} catch (Exception ex) {
ex.printStackTrace();
}
}
// 修改
public void updateEmp(Emp emp) {
try {
super.getHibernateTemplate().update(emp);
} catch (Exception ex) {
ex.printStackTrace();
}
}
// 根据Id得到员工
public Emp getEmp(Long id) {
try {
return (Emp) super.getHibernateTemplate().get(Emp.class, id);
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
// 删除指定Id的员工
public void delEmp(Long id) {
try {
super.getHibernateTemplate().delete(this.getEmp(id));
} catch (Exception ex) {
ex.printStackTrace();
}
}
// 得到所有员工
public List<Emp> getEmps(String hql) {
try {
return super.getHibernateTemplate().find(hql);
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
}
5.dwr调用类
package com.emp.web.dwr;
import java.util.List;
import com.emp.web.service.IEmpService;
import com.emp.hib.entity.Emp;
import org.directwebremoting.WebContext;
import org.directwebremoting.WebContextFactory;
public class EmpDwr {
private IEmpService service;
public void addEmp(Emp emp) {
this.getService().addEmp(emp);
}
public Emp getEmp(Long tid)
{
return this.getService().getEmp(tid);
}
public List<Emp> findEmp(String keyword,String condition)
{
String hql="From Emp where 1=1 ";
if(condition.equals("等于"))
{
hql+=" and tmc ='"+keyword+"'";
}
else if(condition.equals("包含"))
{
hql+=" and tmc like '%"+keyword+"%'";
}
return this.getService().getEmps(hql);
}
public String getPar()
{
WebContext con = WebContextFactory.get();
System.out.print(con.getHttpServletRequest().getParameter("id"));
4000
return con.getHttpServletRequest().getParameter("id");
}
public void updateEmp(Emp emp)
{
this.getService().updateEmp(emp);
}
public void delEmp(Long id)
{
this.getService().delEmp(id);
}
public IEmpService getService() {
return service;
}
public void setService(IEmpService service) {
this.service = service;
}
}
6.spring配置文件
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:dwr="http://www.directwebremoting.org/schema/spring-dwr"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.directwebremoting.org/schema/spring-dwr
http://www.directwebremoting.org/schema/spring-dwr-2.0.xsd">
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="com.microsoft.jdbc.sqlserver.SQLServerDriver">
</property>
<property name="url"
value="jdbc:sqlserver://localhost:1433;databaseName=emp">
</property>
<property name="username" value="ss"></property>
<property name="password" value="ssa"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.SQLServerDialect
</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>com/emp/hib/entity/Emp.hbm.xml</value></list>
</property>
</bean>
<!-- service -->
<bean id="service" class="com.emp.web.service.EmpService">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<!-- dwr -->
<bean id="empDwr" class="com.emp.web.dwr.EmpDwr">
<property name="service" ref="service"/>
</bean>
</beans>
7.dwr配置文件 dwr.xml
<?xml version="1.0" encoding="UTF-8"?>
<dwr>
<allow>
<create creator="spring" javascript="OpDwr">
<param name="beanName" value="empDwr"/>
<param name="location" value="classpath:applicationContext.xml"/>
</create>
<convert converter="bean" match="com.emp.hib.entity.Emp"/>
</allow>
</dwr>
9.显示页面 display.jsp
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'display.jsp' starting page</title>
</head>
<script type='text/javascript' src='/EmpTest/dwr/interface/OpDwr.js'></script>
<script type='text/javascript' src='/EmpTest/dwr/engine.js'></script>
<script type='text/javascript' src='/EmpTest/dwr/util.js'></script>
<script>
/* 查找 */
function search()
{
OpDwr.findEmp($("keyword").value,$("condition").value,display);
}
/*显示*/
function display(items)
{
alert(items.length);
/*for(var i=0;i<items.length;i++)
{
alert(items[i].tmc);
}*/
dwr.util.removeAllRows("rst");
var tdata=[function (emp){return emp.tid;},
function (emp){return emp.tmc;},
function (emp){return emp.tsj;},
function (emp){return emp.tnr;},
function (emp){return emp.tgx;},
function (emp){
var btnDel = document.createElement
("<input type='button' value='删除' onclick=' del("+ emp.tid +")'>");
return btnDel; },
function (emp){
var btnEdit = document.createElement
("<input type='button' value='修改' onclick=' edit("+ emp.tid +")'>");
return btnEdit; }
];
dwr.util.addRows("rst", items,tdata);
dwr.util.addOptions("opts",items,"tid","tmc");
}
/*删除*/
function del(tid)
{
OpDwr.delEmp(tid);
search();
}
/*更新显示*/
function edit(tid)
{
$("updateDiv").style.display="block";
OpDwr.getEmp(tid,upShow);
}
/*更新层显示数据*/
function upShow(data)
{
var emp = {tid:data.tid,tmc:data.tmc,tsj:data.tsj,
tnr:data.tnr,tgx:data.tgx};
dwr.util.setValues(emp);
}
/*更新*/
function upEmp()
{
var empp={tid:$("tid").value,tmc:$("tmc").value,tsj:$("tsj").value,
tnr:$("tnr").value,tgx:$("tgx").value};
OpDwr.updateEmp(empp);
$("updateDiv").style.display="none";
search();
}
/*显示查询条件*/
function showCondition(conName)
{
$("condition").length=0;
if(conName !="")
{
var conditions =["请选择","等于","包含"];
dwr.util.addOptions("condition",conditions);
}
else
{
dwr.util.addOptions("condition",["请选择"]);
}
}
</script>
<body>
<form>
<div style="border: 1px solid green; width: 80%;">
<select id="conName" onchange="showCondition(this.value)">
<option value="">请选择</option>
<option value="用户名">用户名</option>
<option value="姓名">姓名</option>
</select>
<select id="condition" >
<option value="">请选择</option>
</select>
<input type="text" id="keyword">
<input type="button" value="search" onclick="search()">
</div>
<br />
<div style="border: 1px solid green; width: 80%;">
<select id="opts">
</select>
<br />
<table id="ta">
<thead>
<tr>
<th>
tid
</th>
<th>
tmc
</th>
<th>
tsj
</th>
<th>
tnr
</th>
<th>
tgx
</th>
<th></th>
</tr>
</thead>
<tbody id="rst">
</tbody>
</table>
</div>
<div id="updateDiv" style="display:none;">
<table>
<tr>
<td>
tid
</td>
<td>
<input type="text" id="tid">
</td>
</tr>
<tr>
<td>
tmc
</td>
<td>
<input type="text" id="tmc">
</td>
</tr>
<tr>
<td>
tsj(时间)
</td>
<td>
<input type="text" id="tsj">
</td>
</tr>
<tr>
<td>
tnr（内容）
</td>
<td>
<input type="text" id="tnr">
</td>
</tr>
<tr>
<td>
tgx（是否更新）
</td>
<td>
<input type="text" id="tgx">
</td>
</tr>
<tr>
<td>
</td>
<td><input type="button" value="提交" onclick="upEmp()">
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
10.添加页面 index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>添加</title>
</head>
<script type='text/javascript' src='/EmpTest/dwr/interface/OpDwr.js'></script>
<script type='text/javascript' src='/EmpTest/dwr/engine.js'></script>
<script type='text/javascript' src='/EmpTest/dwr/util.js'></script>
<script>
function show()
{
var emp = {tid:"",tmc:"",tsj:"",tnr:"",tgx:""};
dwr.util.setValues(emp);
}
function showResult()
{
var empp={tid:$("tid").value,tmc:$("tmc").value,tsj:$("tsj").value,
tnr:$("tnr").value,tgx:$("tgx").value};
/* alert(dwr.util.getValues(document.forms[0]));*/
OpDwr.addEmp(empp);
window.location.href="display.jsp";
}
</script>
<body onload="show()">
<form >
<table>
<tr>
<td>
tid
</td>
<td>
<input type="text" id="tid">
</td>
</tr>
<tr>
<td>
tmc
</td>
<td>
<input type="text" id="tmc">
</td>
</tr>
<tr>
<td>
tsj(时间)
</td>
<td>
<input type="text" id="tsj">
</td>
</tr>
<tr>
<td>
tnr（内容）
</td>
<td>
<input type="text" id="tnr">
</td>
</tr>
<tr>
<td>
tgx（是否更新）
</td>
<td>
<input type="text" id="tgx">
</td>
</tr>
<tr>
<td>
</t
9ad1
d>
<td>
<input type="button" value="提交" onclick="showResult()">
</td>
</tr>
</table>
</form>
</body>
</html>
11.web 配置文件 web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<!-- filter -->
<filter>
<filter-name>EmpFilter</filter-name>
<filter-class>com.emp.filter.EmpFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>EmpFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- dwr -->
<servlet>
<servlet-name>dwr</servlet-name>
<servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>true</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>dwr</servlet-name>
<url-pattern>/dwr/*</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
12.过滤器：EmpFilter
package com.emp.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class EmpFilter implements Filter {
private FilterConfig config ;
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
// TODO Auto-generated method stub
try
{
request.setCharacterEncoding("GBK");
response.setCharacterEncoding("GBK");
chain.doFilter(request, response);
}catch(Exception ex)
{
ex.printStackTrace();
}
}
public void init(FilterConfig filterConfig) throws ServletException {
// TODO Auto-generated method stub
this.config = filterConfig;
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
}
}
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
<class name="com.emp.hib.entity.Emp" table="emp" schema="dbo" catalog="emp">
<id name="tid" type="java.lang.Long">
<column name="tid" precision="18" scale="0" />
<generator class="assigned" />
</id>
<property name="tmc" type="java.lang.String">
<column name="tmc" length="50" not-null="true" unique="true" />
</property>
<property name="tsj" type="java.sql.Date">
<column name="tsj" length="23" not-null="true" />
</property>
<property name="tnr" type="java.lang.String">
<column name="tnr" length="8000" />
</property>
<property name="tgx" type="java.lang.Integer">
<column name="tgx" not-null="true" />
</property>
</class>
</hibernate-mapping>
2.emp.java
package com.emp.hib.entity;
import java.sql.Date;
/**
* Emp entity.
*
* @author MyEclipse Persistence Tools
*/
public class Emp implements java.io.Serializable {
// Fields
private Long tid;
private String tmc;
private Date tsj;
private String tnr;
private Integer tgx;
public Long getTid() {
return this.tid;
}
public void setTid(Long tid) {
this.tid = tid;
}
public String getTmc() {
return this.tmc;
}
public void setTmc(String tmc) {
this.tmc = tmc;
}
public Date getTsj() {
return this.tsj;
}
public void setTsj(Date tsj) {
this.tsj = tsj;
}
public String getTnr() {
return this.tnr;
}
public void setTnr(String tnr) {
this.tnr = tnr;
}
public Integer getTgx() {
return this.tgx;
}
public void setTgx(Integer tgx) {
this.tgx = tgx;
}
}
3.接口IEmpService :
package com.emp.web.service;
import java.util.List;
import com.emp.hib.entity.Emp;
public interface IEmpService {
//添加
public void addEmp(Emp emp);
//修改
public void updateEmp(Emp emp);
//根据Id得到员工
public Emp getEmp(Long id);
//删除指定Id的员工
public void delEmp(Long id);
//得到所有员工
public List<Emp> getEmps(String hql);
}
4.实现类EmpService
package com.emp.web.service;
import java.util.List;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.emp.hib.entity.Emp;
public class EmpService extends HibernateDaoSupport implements IEmpService {
// 添加
public void addEmp(Emp emp) {
try {
super.getHibernateTemplate().save(emp);
} catch (Exception ex) {
ex.printStackTrace();
}
}
// 修改
public void updateEmp(Emp emp) {
try {
super.getHibernateTemplate().update(emp);
} catch (Exception ex) {
ex.printStackTrace();
}
}
// 根据Id得到员工
public Emp getEmp(Long id) {
try {
return (Emp) super.getHibernateTemplate().get(Emp.class, id);
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
// 删除指定Id的员工
public void delEmp(Long id) {
try {
super.getHibernateTemplate().delete(this.getEmp(id));
} catch (Exception ex) {
ex.printStackTrace();
}
}
// 得到所有员工
public List<Emp> getEmps(String hql) {
try {
return super.getHibernateTemplate().find(hql);
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
}
5.dwr调用类
package com.emp.web.dwr;
import java.util.List;
import com.emp.web.service.IEmpService;
import com.emp.hib.entity.Emp;
import org.directwebremoting.WebContext;
import org.directwebremoting.WebContextFactory;
public class EmpDwr {
private IEmpService service;
public void addEmp(Emp emp) {
this.getService().addEmp(emp);
}
public Emp getEmp(Long tid)
{
return this.getService().getEmp(tid);
}
public List<Emp> findEmp(String keyword,String condition)
{
String hql="From Emp where 1=1 ";
if(condition.equals("等于"))
{
hql+=" and tmc ='"+keyword+"'";
}
else if(condition.equals("包含"))
{
hql+=" and tmc like '%"+keyword+"%'";
}
return this.getService().getEmps(hql);
}
public String getPar()
{
WebContext con = WebContextFactory.get();
System.out.print(con.getHttpServletRequest().getParameter("id"));
4000
return con.getHttpServletRequest().getParameter("id");
}
public void updateEmp(Emp emp)
{
this.getService().updateEmp(emp);
}
public void delEmp(Long id)
{
this.getService().delEmp(id);
}
public IEmpService getService() {
return service;
}
public void setService(IEmpService service) {
this.service = service;
}
}
6.spring配置文件
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:dwr="http://www.directwebremoting.org/schema/spring-dwr"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.directwebremoting.org/schema/spring-dwr
http://www.directwebremoting.org/schema/spring-dwr-2.0.xsd">
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="com.microsoft.jdbc.sqlserver.SQLServerDriver">
</property>
<property name="url"
value="jdbc:sqlserver://localhost:1433;databaseName=emp">
</property>
<property name="username" value="ss"></property>
<property name="password" value="ssa"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.SQLServerDialect
</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>com/emp/hib/entity/Emp.hbm.xml</value></list>
</property>
</bean>
<!-- service -->
<bean id="service" class="com.emp.web.service.EmpService">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<!-- dwr -->
<bean id="empDwr" class="com.emp.web.dwr.EmpDwr">
<property name="service" ref="service"/>
</bean>
</beans>
7.dwr配置文件 dwr.xml
<?xml version="1.0" encoding="UTF-8"?>
<dwr>
<allow>
<create creator="spring" javascript="OpDwr">
<param name="beanName" value="empDwr"/>
<param name="location" value="classpath:applicationContext.xml"/>
</create>
<convert converter="bean" match="com.emp.hib.entity.Emp"/>
</allow>
</dwr>
9.显示页面 display.jsp
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'display.jsp' starting page</title>
</head>
<script type='text/javascript' src='/EmpTest/dwr/interface/OpDwr.js'></script>
<script type='text/javascript' src='/EmpTest/dwr/engine.js'></script>
<script type='text/javascript' src='/EmpTest/dwr/util.js'></script>
<script>
/* 查找 */
function search()
{
OpDwr.findEmp($("keyword").value,$("condition").value,display);
}
/*显示*/
function display(items)
{
alert(items.length);
/*for(var i=0;i<items.length;i++)
{
alert(items[i].tmc);
}*/
dwr.util.removeAllRows("rst");
var tdata=[function (emp){return emp.tid;},
function (emp){return emp.tmc;},
function (emp){return emp.tsj;},
function (emp){return emp.tnr;},
function (emp){return emp.tgx;},
function (emp){
var btnDel = document.createElement
("<input type='button' value='删除' onclick=' del("+ emp.tid +")'>");
return btnDel; },
function (emp){
var btnEdit = document.createElement
("<input type='button' value='修改' onclick=' edit("+ emp.tid +")'>");
return btnEdit; }
];
dwr.util.addRows("rst", items,tdata);
dwr.util.addOptions("opts",items,"tid","tmc");
}
/*删除*/
function del(tid)
{
OpDwr.delEmp(tid);
search();
}
/*更新显示*/
function edit(tid)
{
$("updateDiv").style.display="block";
OpDwr.getEmp(tid,upShow);
}
/*更新层显示数据*/
function upShow(data)
{
var emp = {tid:data.tid,tmc:data.tmc,tsj:data.tsj,
tnr:data.tnr,tgx:data.tgx};
dwr.util.setValues(emp);
}
/*更新*/
function upEmp()
{
var empp={tid:$("tid").value,tmc:$("tmc").value,tsj:$("tsj").value,
tnr:$("tnr").value,tgx:$("tgx").value};
OpDwr.updateEmp(empp);
$("updateDiv").style.display="none";
search();
}
/*显示查询条件*/
function showCondition(conName)
{
$("condition").length=0;
if(conName !="")
{
var conditions =["请选择","等于","包含"];
dwr.util.addOptions("condition",conditions);
}
else
{
dwr.util.addOptions("condition",["请选择"]);
}
}
</script>
<body>
<form>
<div style="border: 1px solid green; width: 80%;">
<select id="conName" onchange="showCondition(this.value)">
<option value="">请选择</option>
<option value="用户名">用户名</option>
<option value="姓名">姓名</option>
</select>
<select id="condition" >
<option value="">请选择</option>
</select>
<input type="text" id="keyword">
<input type="button" value="search" onclick="search()">
</div>
<br />
<div style="border: 1px solid green; width: 80%;">
<select id="opts">
</select>
<br />
<table id="ta">
<thead>
<tr>
<th>
tid
</th>
<th>
tmc
</th>
<th>
tsj
</th>
<th>
tnr
</th>
<th>
tgx
</th>
<th></th>
</tr>
</thead>
<tbody id="rst">
</tbody>
</table>
</div>
<div id="updateDiv" style="display:none;">
<table>
<tr>
<td>
tid
</td>
<td>
<input type="text" id="tid">
</td>
</tr>
<tr>
<td>
tmc
</td>
<td>
<input type="text" id="tmc">
</td>
</tr>
<tr>
<td>
tsj(时间)
</td>
<td>
<input type="text" id="tsj">
</td>
</tr>
<tr>
<td>
tnr（内容）
</td>
<td>
<input type="text" id="tnr">
</td>
</tr>
<tr>
<td>
tgx（是否更新）
</td>
<td>
<input type="text" id="tgx">
</td>
</tr>
<tr>
<td>
</td>
<td><input type="button" value="提交" onclick="upEmp()">
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
10.添加页面 index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>添加</title>
</head>
<script type='text/javascript' src='/EmpTest/dwr/interface/OpDwr.js'></script>
<script type='text/javascript' src='/EmpTest/dwr/engine.js'></script>
<script type='text/javascript' src='/EmpTest/dwr/util.js'></script>
<script>
function show()
{
var emp = {tid:"",tmc:"",tsj:"",tnr:"",tgx:""};
dwr.util.setValues(emp);
}
function showResult()
{
var empp={tid:$("tid").value,tmc:$("tmc").value,tsj:$("tsj").value,
tnr:$("tnr").value,tgx:$("tgx").value};
/* alert(dwr.util.getValues(document.forms[0]));*/
OpDwr.addEmp(empp);
window.location.href="display.jsp";
}
</script>
<body onload="show()">
<form >
<table>
<tr>
<td>
tid
</td>
<td>
<input type="text" id="tid">
</td>
</tr>
<tr>
<td>
tmc
</td>
<td>
<input type="text" id="tmc">
</td>
</tr>
<tr>
<td>
tsj(时间)
</td>
<td>
<input type="text" id="tsj">
</td>
</tr>
<tr>
<td>
tnr（内容）
</td>
<td>
<input type="text" id="tnr">
</td>
</tr>
<tr>
<td>
tgx（是否更新）
</td>
<td>
<input type="text" id="tgx">
</td>
</tr>
<tr>
<td>
</t
9ad1
d>
<td>
<input type="button" value="提交" onclick="showResult()">
</td>
</tr>
</table>
</form>
</body>
</html>
11.web 配置文件 web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<!-- filter -->
<filter>
<filter-name>EmpFilter</filter-name>
<filter-class>com.emp.filter.EmpFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>EmpFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- dwr -->
<servlet>
<servlet-name>dwr</servlet-name>
<servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>true</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>dwr</servlet-name>
<url-pattern>/dwr/*</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
12.过滤器：EmpFilter
package com.emp.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class EmpFilter implements Filter {
private FilterConfig config ;
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
// TODO Auto-generated method stub
try
{
request.setCharacterEncoding("GBK");
response.setCharacterEncoding("GBK");
chain.doFilter(request, response);
}catch(Exception ex)
{
ex.printStackTrace();
}
}
public void init(FilterConfig filterConfig) throws ServletException {
// TODO Auto-generated method stub
this.config = filterConfig;
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
}
}
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