Flex4+BlazeDS+JAVA+MySql 构建J2EE工程 对用户信息进行管理实例

要求

必备知识
本文要求基本了解 Adobe Flex编程知识和JAVA基础知识。

开发环境
MyEclipse10/Flash Builder4.6/Flash Player11及以上

演示地址
演示地址 资料下载

关于 Myeclipse10.6+Flash Builder 4.6插件安装配置 请阅读:

Myeclipse10.6+Flash Builder 4.6安装配置

程序截图:

程序部分代码

UserDao.java

package Dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;

import tool.ConvertJson;
import tool.JDBCUtilSingle;

import bean.User;

public class UserDao {

/**
* 初始化10条数据
*/

private void initData(){
Connection connection=null;
PreparedStatement statement=null;
ResultSet rs=null;
connection=JDBCUtilSingle.getInitJDBCUtil().getConnection();
String sql="truncate usermanagement_user";
String sql2="INSERT INTO `usermanagement_user` VALUES (1,'licheng','test@qq.com','189********','湖南长沙'),(2,'张三','test@gmail.com','150********','北京'),(3,'李四','test@sou.com.cn','188********','上海'),(4,'王五','test@sina.com','135********','南京'),(5,'赵六','test@163.com','138********','成都');";
try {
statement=connection.prepareStatement(sql);
statement.executeUpdate();
statement=connection.prepareStatement(sql2);
statement.executeUpdate();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally{
JDBCUtilSingle.getInitJDBCUtil().closeConnection(rs, statement, connection);
}
}

/**
* 获取用户信息
* @return 装载用户信息的集合列表
*/
public ArrayList<User> getList(){

ArrayList<User> users=new ArrayList<User>();
Connection connection=null;
PreparedStatement statement=null;
ResultSet rs=null;
connection=JDBCUtilSingle.getInitJDBCUtil().getConnection();
String sql="select * from usermanagement_user";
try {
statement=connection.prepareStatement(sql);
rs=statement.executeQuery();
while(rs.next()){
users.add(new User(rs.getInt(1),rs.getString(2),rs.getString(3),rs.getString(4),rs.getString(5)));
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally{
JDBCUtilSingle.getInitJDBCUtil().closeConnection(rs, statement, connection);
}

if(users.size()==0){
initData();
users=getList();
}

return users;
}

/**
* 添加一条用户数据
* @param name 名称
* @param email 邮箱
* @param tel 电话
* @param area 区域
* @return 装载用户信息的集合
*/
public ArrayList<User> addUser(String name,String email,String tel,String area){

Connection connection=null;
PreparedStatement statement=null;
ResultSet rs=null;
connection=JDBCUtilSingle.getInitJDBCUtil().getConnection();
String sql="insert into usermanagement_user(name,email,tel,area) values(?,?,?,?)";
try {
statement=connection.prepareStatement(sql);
statement.setString(1, name);
statement.setString(2, email);
statement.setString(3, tel);
statement.setString(4, area);
statement.executeUpdate();  //返回1表示插入成功
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally{
JDBCUtilSingle.getInitJDBCUtil().closeConnection(rs, statement, connection);
}

return getList(); //获取集合信息

}

/**
* 根据ID删除指定的用户
* @param id 要删除的ID号
* @return 用户集合列表
*/
public ArrayList<User> delUser(int id){
Connection connection=null;
PreparedStatement statement=null;
ResultSet rs=null;
connection=JDBCUtilSingle.getInitJDBCUtil().getConnection();
String sql="delete from usermanagement_user where id=?";
try {
statement=connection.prepareStatement(sql);
statement.setInt(1,id);
statement.executeUpdate();  //返回1表示删除成功
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally{
JDBCUtilSingle.getInitJDBCUtil().closeConnection(rs, statement, connection);
}
return getList();
}

public ArrayList<User> updUser(int id,String name,String email,String tel,String area){
Connection connection=null;
PreparedStatement statement=null;
ResultSet rs=null;
connection=JDBCUtilSingle.getInitJDBCUtil().getConnection();
String sql="update usermanagement_user set name=?,email=?,tel=?,area=? where id=?";
try {
statement=connection.prepareStatement(sql);
statement.setString(1, name);
statement.setString(2, email);
statement.setString(3, tel);
statement.setString(4, area);
statement.setInt(5, id);
statement.executeUpdate();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
JDBCUtilSingle.getInitJDBCUtil().closeConnection(rs, statement, connection);
}
return getList();
}

}

UserServer.java

package service;

import java.util.ArrayList;
import bean.User;
import Dao.UserDao;

public class UserServer {

public ArrayList<User> getList(){
return new UserDao().getList();
}

public ArrayList<User> addUser(String name,String email,String tel,String area){
return new UserDao().addUser(name, email, tel, area);
}

public ArrayList<User> delUser(int id){
return new UserDao().delUser(id);
}

public ArrayList<User> updUser(int id,String name,String email,String tel,String area){
return new UserDao().updUser(id, name, email, tel, area);
}

}

remoting-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<service id="remoting-service"
class="flex.messaging.services.RemotingService">

<adapters>
<adapter-definition id="java-object" class="flex.messaging.services.remoting.adapters.JavaAdapter" default="true"/>
</adapters>

<default-channels>
<channel ref="my-amf"/>
</default-channels>

<destination id="UsererverTaget">
<properties>
<source>service.UserServer</source>
</properties>
</destination>
</service>

主程序代码 UserManagement.mxml:

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
verticalCenter="0" horizontalCenter="0"
creationComplete="init()">

<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
<s:RemoteObject id="userDist" destination="UsererverTaget"
fault="userDist_faultHandler(event)">
<s:method name="getList" result="getList_resultHandler(event)" />
<s:method name="addUser" result="user_resultHandler(event)" />
<s:method name="delUser" result="user_resultHandler(event)" />
<s:method name="updUser" result="user_resultHandler(event)" />
</s:RemoteObject>
</fx:Declarations>
<fx:Script>
<![CDATA[
import components.GridItemRenderer;

import mx.collections.ArrayCollection;
import mx.containers.Grid;
import mx.controls.Alert;
import mx.managers.PopUpManager;
import mx.rpc.events.FaultEvent;
import mx.rpc.events.ResultEvent;
import mx.utils.StringUtil;
import spark.events.GridEvent;

[Bindable]
public var personList:ArrayCollection;

public var idColumn:GridColumn;
public var nameColumn:GridColumn;
public var emailColumn:GridColumn;
public var telColumn:GridColumn;
public var areaColumn:GridColumn;

public var userItem:Object;

/**
* 程序初始化
*/
private function init():void{

userDist.getList(); //调用 getList方法获取数据
//绑定按钮的监听事件
add.addEventListener(MouseEvent.CLICK,addClick);
mod.addEventListener(MouseEvent.CLICK,modClick);
del.addEventListener(MouseEvent.CLICK,delClick);
usersDG.addEventListener(GridEvent.GRID_CLICK,usersDG_clickHandler);
adduser.addEventListener(MouseEvent.CLICK,addUser);
upduser.addEventListener(MouseEvent.CLICK,updUser);
}

/**
* getList方法调用结果处理函数
*/
protected function getList_resultHandler(event:ResultEvent):void
{
//获取用户信息列表
personList=event.result as ArrayCollection;

idColumn=usersDG.columns.getItemAt(0) as GridColumn;
nameColumn=usersDG.columns.getItemAt(1) as GridColumn;
emailColumn=usersDG.columns.getItemAt(2) as GridColumn;
telColumn=usersDG.columns.getItemAt(3) as GridColumn;
areaColumn=usersDG.columns.getItemAt(4) as GridColumn;

//渲染器貌似要到这里定义 需要等数据初始化完毕在定义渲染器 直接到组件定义 报错
idColumn.itemRenderer=new ClassFactory(GridItemRenderer);
nameColumn.itemRenderer=new ClassFactory(GridItemRenderer);
emailColumn.itemRenderer=new ClassFactory(GridItemRenderer);
telColumn.itemRenderer=new ClassFactory(GridItemRenderer);
areaColumn.itemRenderer=new ClassFactory(GridItemRenderer);

//设置渲染器
usersDG.columns=new ArrayList([idColumn,nameColumn,emailColumn,telColumn,areaColumn]);

//禁用按钮
mod.enabled=false;
del.enabled=false;
}

/**
* userDist 错误处理函数
*/
protected function userDist_faultHandler(event:FaultEvent):void
{
// 弹出错误信息
Alert.show(event.message.toString());
}

/**
* 单击添加按钮
*/
protected function addClick(event:MouseEvent):void{
adduser.visible=true;
upduser.visible=false;
popup.visible=true; //popup层可见
popmsg.text="新增用户";
}

/**
* 单击修改按钮
*/
protected function modClick(event:MouseEvent):void{
adduser.visible=false;
upduser.visible=true;
popup.visible=true; //popup层可见
popmsg.text="更新用户";

myname.text=userItem.name;
email.text=userItem.email;
tel.text=userItem.tel;
area.text=userItem.area;
}

/**
* 关闭弹出层
*/
protected function close_clickHandler():void
{
popup.visible=false; //popup层可见
myname.text=null;email.text=null;tel.text=null;area.text=null;
}

/**
* 数据列表的单击事件
*/
protected function usersDG_clickHandler(event:GridEvent):void
{
if(usersDG.selectedIndex!=-1){
mod.enabled=true;
del.enabled=true;
userItem=usersDG.selectedItem;
}
}

/**
*  添加用户
*/
protected function addUser(event:MouseEvent):void{
var _name:String=StringUtil.trim(myname.text);
var _email:String=StringUtil.trim(email.text);
var _tel:String=StringUtil.trim(tel.text);
var _area:String=StringUtil.trim(area.text);
if(_name!=""&&_email!=""&&_tel!=""&&_area!=""){
close_clickHandler(); //关闭弹出层
userDist.addUser(_name,_email,_tel,_area);
usersDG.selectedIndex=-1;
}else{
Alert.show("输入的各项内容不能为空！！");
}
}

/**
* 删除用户
*/
protected function delClick(event:Event):void{

if(usersDG.selectedIndex!=-1){
userDist.delUser(int(userItem.id));
usersDG.selectedIndex=-1;
mod.enabled=false;
del.enabled=false;
}
}

/**
* 修改用户
*/
protected function updUser(event:MouseEvent):void{
var _name:String=StringUtil.trim(myname.text);
var _email:String=StringUtil.trim(email.text);
var _tel:String=StringUtil.trim(tel.text);
var _area:String=StringUtil.trim(area.text);
if(_name!=""&&_email!=""&&_tel!=""&&_area!=""){
close_clickHandler(); //关闭弹出层
usersDG.selectedIndex=-1;
userDist.updUser(userItem.id,_name,_email,_tel,_area);
}else{
Alert.show("输入的各项内容不能为空！！");
}

}

/**
* 结果处理函数
*/
protected function user_resultHandler(event:ResultEvent):void
{

//获取用户信息列表
personList=event.result as ArrayCollection;
if(usersDG.selectedIndex==-1){
mod.enabled=false;
del.enabled=false;
}

}

]]>
</fx:Script>
<s:Rect width="100%" height="100%">
<s:fill>
<s:SolidColor color="#333333"/>
</s:fill>
</s:Rect>

<s:Group width="800" height="500" top="80" horizontalCenter="0">
<s:filters>
<s:DropShadowFilter alpha="0.3" angle="90" blurX="5.0" blurY="5.0" color="#000000"
distance="2" hideObject="false" inner="false" knockout="false"
quality="1" strength="5"/>
</s:filters>

<!--白色大背景-->
<s:Rect  width="100%" height="100%">
<s:fill>
<s:SolidColor color="#FFFFFF"/>
</s:fill>
</s:Rect>

<!--按钮-->
<s:Group width="800" height="50" horizontalCenter="0" >

<s:Button id="add" x="10" y="10" width="60" height="30" label="新增" color="#FFFFFF" fontFamily="微软雅黑"
fontSize="13" skinClass="skinks.AddButtonSkin" buttonMode="true"/>

<s:Button id="mod" x="80" y="10" width="60" height="30" label="修改" color="#FFFFFF" fontFamily="微软雅黑"
fontSize="13" skinClass="skinks.ModButtonSkin" buttonMode="true"/>

<s:Button id="del" x="150" y="10" width="60" height="30" label="删除" buttonMode="true"
color="#FFFFFF"  fontFamily="微软雅黑" fontSize="13"
skinClass="skinks.DelButtonSkin"/>

</s:Group>

<!--数据表-->
<s:DataGrid id="usersDG" y="50" left="10" right="10" color="#FFFFFF" fontFamily="微软雅黑" fontSize="13"
horizontalCenter="0" requestedRowCount="10" rowHeight="40" skinClass="skinks.DG"
dataProvider="{personList}"

>
<s:columns>
<s:ArrayList>
<s:GridColumn dataField="id" width="85"   headerText="#"  headerRenderer="components.GridHeaderRenderer"   ></s:GridColumn>
<s:GridColumn dataField="name" width="150"  headerText="名称" headerRenderer="components.GridHeaderRenderer" ></s:GridColumn>
<s:GridColumn dataField="email" width="250"  headerText="邮箱" headerRenderer="components.GridHeaderRenderer" ></s:GridColumn>
<s:GridColumn dataField="tel" headerText="电话" headerRenderer="components.GridHeaderRenderer" ></s:GridColumn>
<s:GridColumn dataField="area" headerText="地区" headerRenderer="components.GridHeaderRenderer" ></s:GridColumn>
</s:ArrayList>
</s:columns>
</s:DataGrid>

</s:Group>

<!--锁屏 弹出层-->

<s:Group id="popup" width="100%" height="100%" visible="false">
<s:Rect width="100%" height="100%" alpha="0.4">
<s:fill>
<s:SolidColor color="#000000"/>
</s:fill>
</s:Rect>
<!--框-->
<s:Group   width="400" height="320" horizontalCenter="0" top="200" >
<s:Rect width="100%" height="100%">
<s:fill>
<s:SolidColor color="#FFFFFF"/>
</s:fill>
</s:Rect>
<!--label条-->
<s:Group width="100%" height="40">
<s:Rect width="100%" height="100%">
<s:fill>
<s:SolidColor color="#3DAFE3"/>
</s:fill>
</s:Rect>
<s:Label id="popmsg" x="10" color="#FFFFFF" fontFamily="微软雅黑" fontSize="14" text="新增用户"
verticalAlign="middle" verticalCenter="0"/>
<s:Label right="10" width="25" height="25" color="#FFFFFF" fontFamily="Verdana"
fontSize="18" fontWeight="bold" text="X" textAlign="center"
verticalAlign="middle" verticalCenter="0" buttonMode="true"
click="close_clickHandler()"/>
</s:Group>
<s:HGroup horizontalCenter="0" top="60">
<s:Label width="80" height="30" color="#666666" fontFamily="微软雅黑" fontSize="13"
text="名称:" textAlign="center" verticalAlign="middle" trackingLeft="3" trackingRight="3"/>
<s:TextInput id="myname" width="250" height="30" borderAlpha="0.5"
borderVisible="true" focusColor="#FFFFFF"
skinClass="skinks.TextInputSkin"/>
</s:HGroup>
<s:HGroup x="30" y="230" horizontalCenter="0" top="110">
<s:Label width="80" height="30" color="#666666" fontFamily="微软雅黑" fontSize="13"
text="邮箱:" textAlign="center" verticalAlign="middle" trackingLeft="3" trackingRight="3"/>
<s:TextInput id="email" width="250" height="30" borderAlpha="0.5"
borderVisible="true" focusColor="#FFFFFF"
skinClass="skinks.TextInputSkin"/>
</s:HGroup>
<s:HGroup x="30" y="110" horizontalCenter="0" top="160">
<s:Label width="80" height="30" color="#666666" fontFamily="微软雅黑" fontSize="13"
text="电话:" textAlign="center" verticalAlign="middle" trackingLeft="3" trackingRight="3"/>
<s:TextInput id="tel" width="250" height="30" borderAlpha="0.5"
borderVisible="true" focusColor="#FFFFFF"
skinClass="skinks.TextInputSkin"/>
</s:HGroup>
<s:HGroup x="30" y="170" horizontalCenter="0" top="210">
<s:Label width="80" height="30" color="#666666" fontFamily="微软雅黑" fontSize="13"
text="地区:" textAlign="center" verticalAlign="middle" trackingLeft="3" trackingRight="3"/>
<s:TextInput id="area" width="250" height="30" borderAlpha="0.5"
borderVisible="true" focusColor="#FFFFFF"
skinClass="skinks.TextInputSkin"/>
</s:HGroup>

<s:Group x="30" y="270" top="260">
<s:Button id="adduser" left="85" label="新增" color="#FFFFFF" fontFamily="微软雅黑" fontSize="13"
skinClass="skinks.MyButton"/>
<s:Button id="upduser" left="85" label="更新" color="#FFFFFF" fontFamily="微软雅黑" fontSize="13"
skinClass="skinks.MyButton"/>
</s:Group>

</s:Group>
</s:Group>

</s:Application>

SQL代码:

CREATE TABLE `usermanagement_user` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(20) NOT NULL DEFAULT '',
`email` varchar(50) NOT NULL DEFAULT '',
`tel` varchar(14) NOT NULL DEFAULT '',
`area` varchar(50) NOT NULL DEFAULT '',
PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=6 DEFAULT CHARSET=utf8;

作者:Li-Cheng
出处:/article/5318864.html
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