Flex分页显示实例-阿里云开发者社区

    Flex mxml代码  
    
  
<?xml version="1.0" encoding="utf-8"?>  
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"  creationComplete="application1_creationCompleteHandler(event)"  
               xmlns:s="library://ns.adobe.com/flex/spark"   
               xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600">  
    <s:layout>  
        <s:VerticalLayout verticalAlign="middle" horizontalAlign="center"/>  
    </s:layout>  
  
    <fx:Script>  
        <![CDATA[  
            import comp.add;  
            import comp.infoWindow;  
              
            import mx.collections.ArrayCollection;  
            import mx.controls.Alert;  
            import mx.events.CloseEvent;  
            import mx.events.FlexEvent;  
            import mx.managers.PopUpManager;  
            import mx.rpc.events.ResultEvent;  
            [Bindable]  
            private var all:int=0;  
            [Bindable]  
            private var step:int=10;  
            [Bindable]  
            private var count:int=0;  
            private var k:int=10;  
            [Bindable]  
            private var dp:ArrayCollection=new ArrayCollection();;  
            protected function remoteobject1_resultHandler2(event:ResultEvent):void  
            {  
                if(int(event.result)==1){  
                    remote1.getInfo(0,10);  
                }  
            }  
            protected function remoteobject1_resultHandler3(event:ResultEvent):void  
            {  
                if(int(event.result)==1){  
                    remote1.getInfo(0,10);  
                }  
            }  
            protected function remoteobject1_resultHandler(event:ResultEvent):void  
            {  
                var arr:ArrayCollection=event.result as ArrayCollection;  
                dp.removeAll();  
                all=int(arr[arr.length-1]);  
                if(arr.length<=11){  
                    k=arr.length-1;  
                }  
                for(var i:int=0;i<k;i++){  
                    var o:Object=new Object();  
                    o.num=arr[i][0];  
                    o.pic=arr[i][1];  
                    o.name=arr[i][2];  
                    o.sex=arr[i][3];  
                    o.age=arr[i][4];  
                    o.department=arr[i][5];  
                    o.job=arr[i][6];  
                    o.birthday=arr[i][7];  
                    o.comeday=arr[i][8];  
                    o.education=arr[i][9];  
                    o.workage=arr[i][10];  
                    o.id=arr[i][11];  
                    o.tel=arr[i][12];  
                    o.home=arr[i][13];  
                    o.edu=arr[i][14];  
                    o.hobby=arr[i][15];  
                    o.etc=arr[i][16];  
                    dp.addItem(o);  
                }  
            }  
            protected function remoteobject1_faultHandler(event:FaultEvent):void  
            {  
                // TODO Auto-generated method stub  
            }  
            protected function remoteobject1_faultHandler2(event:FaultEvent):void  
            {  
                // TODO Auto-generated method stub  
            }  
            protected function remoteobject1_faultHandler3(event:FaultEvent):void  
            {  
                // TODO Auto-generated method stub  
            }  
            import mx.rpc.events.FaultEvent;  
  
            protected function application1_creationCompleteHandler(event:FlexEvent):void  
            {  
                remote1.getInfo(0,10);  
            }  
  
  
            protected function button1_clickHandler(event:MouseEvent):void  
            {  
                var a:add=new add();  
                PopUpManager.addPopUp(a,this);  
                PopUpManager.centerPopUp(a);  
            }  
            private function qetInfomation (s:int,e:int):void{  
                remote1.getInfo(s,e);  
            }  
  
            protected function button2_clickHandler(event:MouseEvent):void  
            {  
                qetInfomation((count-1)*step,step);  
                count=count-1;  
            }  
  
  
            protected function button3_clickHandler(event:MouseEvent):void  
            {  
                qetInfomation((count+1)*step,step);  
                count=count+1;  
            }  
  
  
            protected function button4_clickHandler(event:MouseEvent):void  
            {  
                if(dg.selectedItem==null){  
                    return ;  
                }else{  
                    Alert.show("确定删除该记录吗？","提示",1|2,this,CHandler);  
                }  
            }  
            private function CHandler(e:CloseEvent):void{  
                if(e.detail==Alert.YES){  
                    var o:Object=dg.selectedItem;  
                    remote2.deleteItem(int(o.num));  
                }else{  
                    return ;  
                }  
            }  
            public function saveItem(names:String,age:int,sex:String,tel:String,dept:String,job:String,birthday:String,comeday:String,workage:int,ids:String,home:String,edu:String,hobby:String,etc:String):void{  
                remote3.saveItem(names,age,sex,tel,dept,job,birthday,comeday,workage,ids,home,edu,hobby,etc);  
            }  
            public function open(o:Object):void{  
                var w:infoWindow=new infoWindow();  
                PopUpManager.addPopUp(w,this);  
                PopUpManager.centerPopUp(w);  
                w.data=o;  
            }  
              
            private function toFirstPage(event:MouseEvent):void{  
                qetInfomation(0,step);  
                count=0;  
            }  
              
            private function toLastePage(event:MouseEvent):void{  
                count=(all+(10-all%step))/step-1;  
                qetInfomation(count*step,count*step+all%step);  
              
            }  
  
        ]]>  
    </fx:Script>  
    <fx:Declarations>  
        <s:RemoteObject destination="main" fault="remoteobject1_faultHandler(event)"  
         result="remoteobject1_resultHandler(event)" id="remote1"/>  
        <s:RemoteObject destination="main" fault="remoteobject1_faultHandler2(event)"  
                        result="remoteobject1_resultHandler2(event)" id="remote2"/>  
        <s:RemoteObject destination="main" fault="remoteobject1_faultHandler3(event)"  
                        result="remoteobject1_resultHandler3(event)" id="remote3"/>  
    </fx:Declarations>  
    <mx:DataGrid width="100%" height="280" id="dg" dataProvider="{dp}">  
        <mx:columns>  
            <mx:DataGridColumn headerText="编号" dataField="num"/>  
            <mx:DataGridColumn headerText="姓名" dataField="name">  
                <mx:itemRenderer>  
                    <fx:Component>  
                        <mx:LinkButton label="{data.name}" click="this.outerDocument.open(data);" >  
                        </mx:LinkButton>  
                    </fx:Component>  
                </mx:itemRenderer>  
            </mx:DataGridColumn>  
            <mx:DataGridColumn headerText="性别" dataField="sex"/>  
            <mx:DataGridColumn headerText="年龄" dataField="age"/>  
            <mx:DataGridColumn headerText="所在部门" dataField="department"/>  
            <mx:DataGridColumn headerText="职务" dataField="job"/>  
        </mx:columns>  
    </mx:DataGrid>  
    <mx:HBox verticalAlign="middle" horizontalAlign="center" height="30" width="100%">  
        <s:Label text="共有："/>  
        <s:Label text="{all}"/>  
        <s:Label text="条记录"/>  
        <s:Label text="当前第:"/>  
        <s:Label text="{count+1}"/>  
        <s:Label text="页"/>  
        <s:Button label="增加" click="button1_clickHandler(event)"/>  
        <s:Button label="第一页" enabled="{count>0?true:false}" click="toFirstPage(event)"/>  
        <s:Button label="上一页" enabled="{count>0?true:false}" click="button2_clickHandler(event)"/>  
        <s:Button label="下一页" enabled="{(count+1)*step>all?false:true}" click="button3_clickHandler(event)"/>  
        <s:Button label="最后页" enabled="{(count+1)*step>all?false:true}" click="toLastePage(event)"/>  
        <s:Button label="删除" click="button4_clickHandler(event)"/>  
          
    </mx:HBox>  
</s:Application>  

import Java.sql.*;

    Java代码  
    
  
import java.util.ArrayList;  
import java.util.List;  
  
import javax.swing.text.html.HTMLDocument.HTMLReader.PreAction;  
public class HR {  
    Connection c=null;  
    Statement s=null;  
    String url="jdbc:mysql://localhost:3306/company?user=root&password=rootcode";  
    public List getInfo(int start,int end){  
        List r=new ArrayList<Array>();  
        String temp [];  
        try{  
            Class.forName("com.mysql.jdbc.Driver");  
        }catch (ClassNotFoundException e) {  
            e.printStackTrace();  
        }  
        try{  
            c=DriverManager.getConnection(url);  
            s=c.createStatement();  
            String sql="select * from user where visible=1 order by num limit "+start+","+end+";";  
            System.out.print(sql);  
            ResultSet rs=s.executeQuery(sql);  
            while(rs.next()){  
                temp=new String[17];  
                temp[0]=rs.getString("num");  
                temp[1]=rs.getString("pic");  
                temp[2]=rs.getString("name");  
                temp[3]=rs.getString("sex");  
                temp[4]=rs.getString("age");  
                temp[5]=rs.getString("department");  
                temp[6]=rs.getString("job");  
                temp[7]=rs.getString("birthday");  
                temp[8]=rs.getString("comeday");  
                temp[9]=rs.getString("education");  
                temp[10]=rs.getString("workage");  
                temp[11]=rs.getString("id");  
                temp[12]=rs.getString("tel");  
                temp[13]=rs.getString("home");  
                temp[14]=rs.getString("edu");  
                temp[15]=rs.getString("hobby");  
                temp[16]=rs.getString("etc");  
                r.add(temp);  
            }  
            Statement ss=c.createStatement();  
//          c.prepareStatement(sql)  
            String sql2="select count(*) as 'all' from user where visible=1;";  
            ResultSet rs2=ss.executeQuery(sql2);  
            while(rs2.next()){  
                r.add(rs2.getInt("all"));  
            }  
              
        }catch (SQLException e) {  
            e.printStackTrace();  
            // TODO: handle exception  
        }  
        return r;  
    }  
    public int deleteItem(int i){  
        int result=0;  
        try{  
            Class.forName("com.mysql.jdbc.Driver");  
        }catch (ClassNotFoundException e) {  
            e.printStackTrace();  
        }  
        try{  
            c=DriverManager.getConnection(url);  
            s=c.createStatement();  
            String sql="update user set visible=0 where num = "+i+";";  
            System.out.print(sql);  
            s.execute(sql);  
            result=1;  
              
        }catch (SQLException e) {  
            e.printStackTrace();  
            // TODO: handle exception  
        }  
        return result;  
    }  
    public int saveItem(String names,int age,String sex,String tel,String dept,String job,String birthday,String comeday,int workage,String ids,String home,String edu,String hobby,String etc){  
        int result=0;  
        try{  
            Class.forName("com.mysql.jdbc.Driver");  
        }catch (ClassNotFoundException e) {  
            e.printStackTrace();  
        }  
        try{  
            c=DriverManager.getConnection(url);  
            String pic=getMax()+".jpg";  
            System.out.print(pic);  
            String sql="insert into user values (null,?,?,?,?,?,?,?,?,null,?,?,?,?,?,?,?,1);";  
            PreparedStatement pr=c.prepareStatement(sql);  
            System.out.println(sql);  
            pr.setString(1,pic);  
            pr.setString(2,names);  
            pr.setString(3, sex);  
            pr.setInt(4, age);  
            pr.setString(5, dept);  
            pr.setString(6, job);  
            pr.setString(7, birthday);  
            pr.setString(8, comeday);  
            pr.setInt(9, workage);  
            pr.setString(10, ids);  
            pr.setString(11, tel);  
            pr.setString(12, home);  
            pr.setString(13, edu);  
            pr.setString(14, hobby);  
            pr.setString(15, etc);  
            System.out.println(sql);  
            pr.execute();  
            result=1;  
              
        }catch (SQLException e) {  
            e.printStackTrace();  
            // TODO: handle exception  
        }  
        return result;        
    }  
    public static int getMax(){  
        int result=0;  
        try{  
            Class.forName("com.mysql.jdbc.Driver");  
        }catch (ClassNotFoundException e) {  
            e.printStackTrace();  
        }  
        try{  
            String url1="jdbc:mysql://localhost:3306/company?user=root&password=rootcode";  
            Connection cc=DriverManager.getConnection(url1);  
            Statement ss=cc.createStatement();  
            String sql="select MAX(num) as 'max' from user;";  
            System.out.print(sql);  
            ResultSet rs=ss.executeQuery(sql);  
            while(rs.next()){  
                result=rs.getInt("max");  
                result=result+1;  
            }     
        }catch (SQLException e) {  
            e.printStackTrace();  
            // TODO: handle exception  
        }  
        return result;  
    }  
  
}  

<?xml version="1.0" encoding="UTF-8"?>

    Xml代码  
    
  
<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="main">  
    <properties>  
    <source>HR</source>  
    </properties>  
    </destination>  
</service>  

Flex分页显示实例

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