flex 简单例子(含实例效果图 源码)
作者：
要过节了,工作任务也完成了,闲来没事,研究svg，感觉市场上对svg支持度不高,导致了这项技术不能够被IT群众充分的接纳，一个没有人支持的技术,她必然也不会有很大的前景。研究来研究去,还是觉得flex比较好玩。
温故而知新,简简单单的写了一个例子。以后会在注图形化处理方面多写些例子.
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" verticalAlign="top" applicationComplete="init()">
<mx:Script>
<!--[CDATA[
import mx.events.ItemClickEvent;
import mx.collections.ArrayCollection;
import mx.controls.Alert;
[Bindable]
public var dataColl:ArrayCollection=new ArrayCollection();
//ID编号
var k=1;
//联系人对象
var userobj:Object;
//性别默认状态
var sexobj:String="男";
//右键删除菜单
var menucont:ContextMenu;
//初始化行数
var p:int=0;
public function init():void{
menucont=new ContextMenu();
addMenuItems();
}
//添加右键菜单项
public function addMenuItems():void{
var item:ContextMenuItem = new ContextMenuItem("删除");
menucont.customItems.push(item);
item.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, menuItemHandler);
menucont.hideBuiltInItems();
userdata.contextMenu = menucont;
}
//菜单右键事件处理
public function menuItemHandler(event:ContextMenuEvent):void{
var CaptionString:String=event.target.caption;
if(CaptionString=="删除"){
//确定鼠标所在行数
var findex:Number = Math.floor(userdata.contentMouseY/userdata.rowHeight)-1 + userdata.verticalScrollPosition;
if (findex<0 || findex>=userdata.verticalScrollPosition+userdata.rowCount-1) //行号小于0时和大于datagrid行总数时的 错误处理
{
Alert.show("请选择要删除的行","提示");
} else {
p=findex;
dataColl.removeItemAt(p);
Alert.show("删除成功","提示");
}
}
}
public function checkuser(event:MouseEvent):void{
var gname=uname.text;
var gphone=uphone.text;
if(gname!="" && gphone!=""){
dataprovider();
}else{
Alert.show("请输入用户名或电话号码","提示");
}
}
//单选按钮触发事件
public function changsex(event:ItemClickEvent):void{
if(event.currentTarget.selectedValue=="f"){
sexobj= "女";
}else{
sexobj= "男";
}
}
//重置
public function resetvalue(event:MouseEvent):void{
uname.text="";
uphone.text="";
male.selected=true;
}
//创建联系人信息
public function dataprovider():Object{
userobj=new Object();
userobj["uid"]=k;
userobj["uname"]=uname.text;
userobj["uphone"]=uphone.text;
userobj["usex"]=sexobj;
dataColl.addItem(userobj);
k++;
return userobj;
}
]]-->
</mx:Script>
<mx:Form>
<mx:Text text="联系簿" fontWeight="bold" fontSize="14" textAlign="center" width="233" color="#1B78C6"/>
<mx:FormItem label="姓名" fontSize="12" fontWeight="bold" horizontalAlign="left">
<mx:TextInput id="uname"/>
</mx:FormItem>
<mx:RadioButtonGroup id="sexgroup" itemClick="changsex(event)"/>
<mx:FormItem label="性别" horizontalAlign="center" fontSize="12" fontWeight="bold">
<mx:HBox>
<mx:RadioButton id="male" label="男性" groupName="sexgroup" selected="true" value="m"/>
<mx:RadioButton id="female" label="女性" groupName="sexgroup" value="f"/>
</mx:HBox>
</mx:FormItem>
<mx:FormItem label="电话号码" fontWeight="bold" fontSize="12" horizontalAlign="center">
<mx:TextInput id="uphone"/>
</mx:FormItem>
<mx:HBox width="232" height="35" verticalAlign="middle" horizontalAlign="center">
<mx:Button id="go" label="添加" fontSize="12" fontWeight="normal" click="checkuser(event)" textAlign="center" height="30" width="60"/>
<mx:Button id="reset" label="重置" fontWeight="normal" fontSize="12" height="30" width="60" click="resetvalue(event)"/>
</mx:HBox>
</mx:Form>
<mx:DataGrid dataProvider="{dataColl}" width="400" id="userdata"
fontSize="12" borderStyle="inset" fontWeight="bold" textAlign="center" alternatingItemColors="[#F1B6B6, #F2EB37]" height="210" editable="true">
<mx:columns>
<mx:DataGridColumn headerText="ID" dataField="uid"/>
<mx:DataGridColumn headerText="联系人" dataField="uname"/>
<mx:DataGridColumn headerText="性别" dataField="usex"/>
<mx:DataGridColumn headerText="电话号码" dataField="uphone"/>
</mx:columns>
</mx:DataGrid>
</mx:Application>
源码:
复制代码 代码如下:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" verticalAlign="top" applicationComplete="init()">
<mx:Script>
<!--[CDATA[
import mx.events.ItemClickEvent;
import mx.collections.ArrayCollection;
import mx.controls.Alert;
[Bindable]
public var dataColl:ArrayCollection=new ArrayCollection();
//ID编号
var k=1;
//联系人对象
var userobj:Object;
//性别默认状态
var sexobj:String="男";
//右键删除菜单
var menucont:ContextMenu;
//初始化行数
var p:int=0;
public function init():void{
menucont=new ContextMenu();
addMenuItems();
}
//添加右键菜单项
public function addMenuItems():void{
var item:ContextMenuItem = new ContextMenuItem("删除");
menucont.customItems.push(item);
item.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, menuItemHandler);
menucont.hideBuiltInItems();
userdata.contextMenu = menucont;
}
//菜单右键事件处理
public function menuItemHandler(event:ContextMenuEvent):void{
var CaptionString:String=event.target.caption;
if(CaptionString=="删除"){
//确定鼠标所在行数
var findex:Number = Math.floor(userdata.contentMouseY/userdata.rowHeight)-1 + userdata.verticalScrollPosition;
if (findex<0 || findex>=userdata.verticalScrollPosition+userdata.rowCount-1) //行号小于0时和大于datagrid行总数时的 错误处理
{
Alert.show("请选择要删除的行","提示");
} else {
p=findex;
dataColl.removeItemAt(p);
Alert.show("删除成功","提示");
}
}
}
public function checkuser(event:MouseEvent):void{
var gname=uname.text;
var gphone=uphone.text;
if(gname!="" && gphone!=""){
dataprovider();
}else{
Alert.show("请输入用户名或电话号码","提示");
}
}
//单选按钮触发事件
public function changsex(event:ItemClickEvent):void{
if(event.currentTarget.selectedValue=="f"){
sexobj= "女";
}else{
sexobj= "男";
}
}
//重置
public function resetvalue(event:MouseEvent):void{
uname.text="";
uphone.text="";
male.selected=true;
}
//创建联系人信息
public function dataprovider():Object{
userobj=new Object();
userobj["uid"]=k;
userobj["uname"]=uname.text;
userobj["uphone"]=uphone.text;
userobj["usex"]=sexobj;
dataColl.addItem(userobj);
k++;
return userobj;
}
]]-->
</mx:Script>
<mx:Form>
<mx:Text text="联系簿" fontWeight="bold" fontSize="14" textAlign="center" width="233" color="#1B78C6"/>
<mx:FormItem label="姓名" fontSize="12" fontWeight="bold" horizontalAlign="left">
<mx:TextInput id="uname"/>
</mx:FormItem>
<mx:RadioButtonGroup id="sexgroup" itemClick="changsex(event)"/>
<mx:FormItem label="性别" horizontalAlign="center" fontSize="12" fontWeight="bold">
<mx:HBox>
<mx:RadioButton id="male" label="男性" groupName="sexgroup" selected="true" value="m"/>
<mx:RadioButton id="female" label="女性" groupName="sexgroup" value="f"/>
</mx:HBox>
</mx:FormItem>
<mx:FormItem label="电话号码" fontWeight="bold" fontSize="12" horizontalAlign="center">
<mx:TextInput id="uphone"/>
</mx:FormItem>
<mx:HBox width="232" height="35" verticalAlign="middle" horizontalAlign="center">
<mx:Button id="go" label="添加" fontSize="12" fontWeight="normal" click="checkuser(event)" textAlign="center" height="30" width="60"/>
<mx:Button id="reset" label="重置" fontWeight="normal" fontSize="12" height="30" width="60" click="resetvalue(event)"/>
</mx:HBox>
</mx:Form>
<mx:DataGrid dataProvider="{dataColl}" width="400" id="userdata"
fontSize="12" borderStyle="inset" fontWeight="bold" textAlign="center" alternatingItemColors="[#F1B6B6, #F2EB37]" height="210" editable="true">
<mx:columns>
<mx:DataGridColumn headerText="ID" dataField="uid"/>
<mx:DataGridColumn headerText="联系人" dataField="uname"/>
<mx:DataGridColumn headerText="性别" dataField="usex"/>
<mx:DataGridColumn headerText="电话号码" dataField="uphone"/>
</mx:columns>
</mx:DataGrid>
</mx:Application>