Flex分页显示实例

<?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;  

            private var step:int=10;  

            private var count:int=0;  

            private var k:int=10;  

            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  

            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  

            protected function remoteobject1_faulthandler3(event:faultevent):void  

            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));  

            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.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();  

        }  

            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) {  

            // todo: handle exception  

        return r;  

    }  

    public int deleteitem(int i){  

        int result=0;  

            string sql="update user set visible=0 where num = "+i+";";  

            s.execute(sql);  

            result=1;  

        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){  

            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);  

            pr.execute();  

        return result;        

    public static int getmax(){  

            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;";  

            resultset rs=ss.executequery(sql);  

                result=rs.getint("max");  

                result=result+1;  

            }     

}  

 <?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="main">  

    <properties>  

    <source>hr</source>  

    </properties>  

    </destination>  

</service>