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flex与java实现增删改查
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用的是MySQL數(shù)據(jù)庫。
1，建一個userdb庫，再建userinfo表，字 段：id(int),username(varchar),password(varchar)。
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create?database?userdb;?? use?userdb;?? create?table?userinfo(?? id?int(10)?not?null?auto_increment,?? username?varchar(20),?? password?varchar(20),?? primary?key(id));?? create database userdb; use userdb; create table userinfo( id int(10) not null auto_increment, username varchar(20), password varchar(20), primary key(id));
2，DBConnection.java
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package?com.datainfo;?? ?? import?java.sql.Connection;?? import?java.sql.DriverManager;?? import?java.sql.SQLException;?? ?? public?class?DBConnection?{?? ????public?static?Connection?getConnection()?throws?ClassNotFoundException,?? ????????????SQLException?{?? ????????Connection?conn?=?null;?? ????????String?driver?=?"com.mysql.jdbc.Driver";?? ????????String?url?=?"jdbc:mysql://localhost:3306/userdb";?? ????????String?username?=?"root";?? ????????String?password?=?"mysql";?? ????????Class.forName(driver);?? ????????conn?=?DriverManager.getConnection(url,?username,?password);?? ????????return?conn;?? ????}?? }?? package com.datainfo; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class DBConnection { public static Connection getConnection() throws ClassNotFoundException, SQLException { Connection conn = null; String driver = "com.mysql.jdbc.Driver"; String url = "jdbc:mysql://localhost:3306/userdb"; String username = "root"; String password = "mysql"; Class.forName(driver); conn = DriverManager.getConnection(url, username, password); return conn; } }
3，User.java
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package?com.datainfo;?? ?? public?class?User?{?? ????private?int?id;?? ????private?String?username;?? ????private?String?password;?? ?? ????public?User()?{?? ?????????? ????}?? ?? ????/**? ?????*?@return?the?id? ?????*/?? ????public?int?getId()?{?? ????????return?id;?? ????}?? ?? ????/**? ?????*?@param?id? ?????*????????????the?id?to?set? ?????*/?? ????public?void?setId(int?id)?{?? ????????this.id?=?id;?? ????}?? ?? ????/**? ?????*?@return?the?username? ?????*/?? ????public?String?getUsername()?{?? ????????return?username;?? ????}?? ?? ????/**? ?????*?@param?username? ?????*????????????the?username?to?set? ?????*/?? ????public?void?setUsername(String?username)?{?? ????????this.username?=?username;?? ????}?? ?? ????/**? ?????*?@return?the?password? ?????*/?? ????public?String?getPassword()?{?? ????????return?password;?? ????}?? ?? ????/**? ?????*?@param?password? ?????*????????????the?password?to?set? ?????*/?? ????public?void?setPassword(String?password)?{?? ????????this.password?=?password;?? ????}?? }?? package com.datainfo; public class User { private int id; private String username; private String password; public User() { } /** * @return the id */ public int getId() { return id; } /** * @param id * the id to set */ public void setId(int id) { this.id = id; } /** * @return the username */ public String getUsername() { return username; } /** * @param username * the username to set */ public void setUsername(String username) { this.username = username; } /** * @return the password */ public String getPassword() { return password; } /** * @param password * the password to set */ public void setPassword(String password) { this.password = password; } }
4，UserDAO.java
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package?com.datainfo;?? ?? import?java.sql.Connection;?? import?java.sql.PreparedStatement;?? import?java.sql.ResultSet;?? import?java.sql.SQLException;?? import?java.sql.Statement;?? import?java.util.ArrayList;?? ?? import?com.datainfo.DBConnection;?? ?? public?class?UserDAO?{?? ????public?ArrayList?getUserList()?throws?ClassNotFoundException,?SQLException?{?? ????????Connection?conn?=?DBConnection.getConnection();?? ????????Statement?stmt?=?conn.createStatement();?? ????????ResultSet?rs?=?stmt.executeQuery("select?*?from?userinfo");?? ????????ArrayList?userList?=?null;?? ????????try?{?? ????????????userList?=?new?ArrayList();?? ????????????while?(rs.next())?{?? ????????????????User?user?=?new?User();?? ????????????????user.setId(rs.getInt("id"));?? ????????????????user.setUsername(rs.getString("username"));?? ????????????????user.setPassword(rs.getString("password"));?? ????????????????userList.add(user);?? ????????????}?? ????????????rs.close();?? ????????????stmt.close();?? ????????????conn.close();?? ????????}?catch?(Exception?e)?{?? ????????????//?TODO?Auto-generated?catch?block?? ????????????e.printStackTrace();?? ????????}?? ????????return?userList;?? ????}?? ?? ????public?void?addUser(User?user)?throws?ClassNotFoundException,?SQLException?{?? ????????Connection?conn?=?DBConnection.getConnection();?? ????????String?sql?=?"insert?into?userinfo?(username,password)?values?(?,?)";?? ????????try?{?? ????????????PreparedStatement?pstmt?=?conn.prepareStatement(sql);?? ????????????pstmt.setString(1,?user.getUsername());?? ????????????pstmt.setString(2,?user.getPassword());?? ????????????pstmt.executeUpdate();?? ????????????pstmt.close();?? ????????????conn.close();?? ????????}?catch?(Exception?e)?{?? ????????????//?TODO?Auto-generated?catch?block?? ????????????e.printStackTrace();?? ????????}?? ????}?? ?? ????public?void?updataUser(User?user)?throws?ClassNotFoundException,?? ????????????SQLException?{?? ????????Connection?conn?=?DBConnection.getConnection();?? ????????String?sql?=?"update?userinfo?set?username=?,password=??where?id=?";?? ????????try?{?? ????????????PreparedStatement?pstmt?=?conn.prepareStatement(sql);?? ????????????pstmt.setString(1,?user.getUsername());?? ????????????pstmt.setString(2,?user.getPassword());?? ????????????pstmt.setInt(3,?user.getId());?? ????????????pstmt.executeUpdate();?? ????????????pstmt.close();?? ????????????conn.close();?? ????????}?catch?(Exception?e)?{?? ????????????//?TODO?Auto-generated?catch?block?? ????????????e.printStackTrace();?? ????????}?? ????}?? ?? ????public?void?deleteUser(User?user)?throws?ClassNotFoundException,?? ????????????SQLException?{?? ????????Connection?conn?=?DBConnection.getConnection();?? ????????String?sql?=?"delete?from?userinfo?where?id?=?";?? ????????try?{?? ????????????PreparedStatement?pstmt?=?conn.prepareStatement(sql);?? ????????????pstmt.setInt(1,?user.getId());?? ????????????pstmt.executeUpdate();?? ????????????pstmt.close();?? ????????????conn.close();?? ????????}?catch?(Exception?e)?{?? ????????????//?TODO?Auto-generated?catch?block?? ????????????e.printStackTrace();?? ????????}?? ????}?? }?? package com.datainfo; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.util.ArrayList; import com.datainfo.DBConnection; public class UserDAO { public ArrayList getUserList() throws ClassNotFoundException, SQLException { Connection conn = DBConnection.getConnection(); Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("select * from userinfo"); ArrayList userList = null; try { userList = new ArrayList(); while (rs.next()) { User user = new User(); user.setId(rs.getInt("id")); user.setUsername(rs.getString("username")); user.setPassword(rs.getString("password")); userList.add(user); } rs.close(); stmt.close(); conn.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return userList; } public void addUser(User user) throws ClassNotFoundException, SQLException { Connection conn = DBConnection.getConnection(); String sql = "insert into userinfo (username,password) values (?,?)"; try { PreparedStatement pstmt = conn.prepareStatement(sql); pstmt.setString(1, user.getUsername()); pstmt.setString(2, user.getPassword()); pstmt.executeUpdate(); pstmt.close(); conn.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } public void updataUser(User user) throws ClassNotFoundException, SQLException { Connection conn = DBConnection.getConnection(); String sql = "update userinfo set username=?,password=? where id=?"; try { PreparedStatement pstmt = conn.prepareStatement(sql); pstmt.setString(1, user.getUsername()); pstmt.setString(2, user.getPassword()); pstmt.setInt(3, user.getId()); pstmt.executeUpdate(); pstmt.close(); conn.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } public void deleteUser(User user) throws ClassNotFoundException, SQLException { Connection conn = DBConnection.getConnection(); String sql = "delete from userinfo where id =?"; try { PreparedStatement pstmt = conn.prepareStatement(sql); pstmt.setInt(1, user.getId()); pstmt.executeUpdate(); pstmt.close(); conn.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
5，配置文件remoting-config.xml
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<?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="userDao">?? ????????<properties>?? ????????????<source>com.datainfo.UserDAO</source>?? ????????</properties>?? ????</destination>?? </service>?? <?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="userDao"> <properties> <source>com.datainfo.UserDAO</source> </properties> </destination> </service>
6，以下是flex端，UserFlex.as
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package?com.flex?? {?? ????[Bindable]?? ????[RemoteClass(alias="com.datainfo.User")]?? ????public?class?UserFlex?? ????{?? //??????public?function?UserFlex{?? //???????????? //??????}?? ????????public?var?id:int;?? ????????public?var?username:String;?? ????????public?var?password:String;?? //??????如果用private，就需要寫上get/set?? //???????? //??????public?function?get?id():int{?? //??????????return?this.id;?? //??????}?? //??????public?function?set?id():int{?? //??????????this.id?=?id;?? //??????}?? //???????? //??????public?function?get?username():String{?? //??????????return?this.username;?? //??????}?? //??????public?function?set?username():String{?? //??????????this.username?=?username;?? //??????}?? //???????? //??????public?function?get?password():String{?? //??????????return?this.password;?? //??????}?? //??????public?function?set?password():String{?? //??????????this.password?=?password;?? //??????}?? ????}?? }?? package com.flex { [Bindable] [RemoteClass(alias="com.datainfo.User")] public class UserFlex { // public function UserFlex{ // // } public var id:int; public var username:String; public var password:String; // 如果用private，就需要寫上get/set // // public function get id():int{ // return this.id; // } // public function set id():int{ // this.id = id; // } // // public function get username():String{ // return this.username; // } // public function set username():String{ // this.username = username; // } // // public function get password():String{ // return this.password; // } // public function set password():String{ // this.password = password; // } } }
7，自定義的DataGrid組件，用以雙擊修改數(shù)據(jù)DoubleClickDataGrid.as
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package?com.flex?? {?? ????import?flash.events.MouseEvent;?? ????import?mx.controls.DataGrid;?? ????import?mx.controls.dataGridClasses.DataGridColumn;?? ????import?mx.controls.listClasses.IDropInListItemRenderer;?? ????import?mx.controls.listClasses.IListItemRenderer;?? ????import?mx.core.EventPriority;?? ????import?mx.events.DataGridEvent;?? ?????? ?????? ????public?class?DoubleClickDataGrid?extends?DataGrid?? ????{?? ????????public?function?DoubleClickDataGrid()?? ????????{?? ????????????//TODO:?implement?function?? ????????????super();?? ????????????doubleClickEnabled?=?true;?? ????????}?? ????????override?protected?function?mouseDoubleClickHandler(event:MouseEvent):void?? ????????{?? ????????????var?dataGridEvent:DataGridEvent;?? ????????????var?r:IListItemRenderer;?? ????????????var?dgColumn:DataGridColumn;?? ?????????????? ????????????r?=?mouseEventToItemRenderer(event);?? ????????????if?(r?&&?r?!=?itemEditorInstance)?? ????????????{?? ????????????????var?dilr:IDropInListItemRenderer?=?IDropInListItemRenderer(r);?? ????????????????if?(columns[dilr.listData.columnIndex].editable)?? ????????????????{?? ????????????????????dgColumn?=?columns[dilr.listData.columnIndex];?? ????????????????????dataGridEvent?=?new?DataGridEvent(DataGridEvent.ITEM_EDIT_BEGINNING,?false,?true);?? ????????????????????//?ITEM_EDIT?events?are?cancelable?? ?????????????????????? ????????????????????dataGridEvent.columnIndex?=?dilr.listData.columnIndex;?? ????????????????????dataGridEvent.dataField?=?dgColumn.dataField;?? ????????????????????dataGridEvent.rowIndex?=?dilr.listData.rowIndex?+?verticalScrollPosition;?? ????????????????????dataGridEvent.itemRenderer?=?r;?? ????????????????????dispatchEvent(dataGridEvent);?? ????????????????}?? ????????????}?? ?????????????? ????????????super.mouseDoubleClickHandler(event);?? ????????}?? ?????????? ????????override?protected?function?mouseUpHandler(event:MouseEvent):void?? ????????{?? ????????????var?r:IListItemRenderer;?? ????????????var?dgColumn:DataGridColumn;?? ?????????????? ????????????r?=?mouseEventToItemRenderer(event);?? ????????????if?(r)?? ????????????{?? ????????????????var?dilr:IDropInListItemRenderer?=?IDropInListItemRenderer(r);?? ????????????????if?(columns[dilr.listData.columnIndex].editable)?? ????????????????{?? ????????????????????dgColumn?=?columns[dilr.listData.columnIndex];?? ????????????????????dgColumn.editable?=?false;?? ????????????????}?? ????????????}?? ?????????????? ????????????super.mouseUpHandler(event);?? ?????????????? ????????????if?(dgColumn)?? ????????????????dgColumn.editable?=?true;?? ????????}?? ?????????? ????}?? }?? package com.flex { import flash.events.MouseEvent; import mx.controls.DataGrid; import mx.controls.dataGridClasses.DataGridColumn; import mx.controls.listClasses.IDropInListItemRenderer; import mx.controls.listClasses.IListItemRenderer; import mx.core.EventPriority; import mx.events.DataGridEvent; public class DoubleClickDataGrid extends DataGrid { public function DoubleClickDataGrid() { //TODO: implement function super(); doubleClickEnabled = true; } override protected function mouseDoubleClickHandler(event:MouseEvent):void { var dataGridEvent:DataGridEvent; var r:IListItemRenderer; var dgColumn:DataGridColumn; r = mouseEventToItemRenderer(event); if (r && r != itemEditorInstance) { var dilr:IDropInListItemRenderer = IDropInListItemRenderer(r); if (columns[dilr.listData.columnIndex].editable) { dgColumn = columns[dilr.listData.columnIndex]; dataGridEvent = new DataGridEvent(DataGridEvent.ITEM_EDIT_BEGINNING, false, true); // ITEM_EDIT events are cancelable dataGridEvent.columnIndex = dilr.listData.columnIndex; dataGridEvent.dataField = dgColumn.dataField; dataGridEvent.rowIndex = dilr.listData.rowIndex + verticalScrollPosition; dataGridEvent.itemRenderer = r; dispatchEvent(dataGridEvent); } } super.mouseDoubleClickHandler(event); } override protected function mouseUpHandler(event:MouseEvent):void { var r:IListItemRenderer; var dgColumn:DataGridColumn; r = mouseEventToItemRenderer(event); if (r) { var dilr:IDropInListItemRenderer = IDropInListItemRenderer(r); if (columns[dilr.listData.columnIndex].editable) { dgColumn = columns[dilr.listData.columnIndex]; dgColumn.editable = false; } } super.mouseUpHandler(event); if (dgColumn) dgColumn.editable = true; } } }
8，頁面顯示，testflex.mxml
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<?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"??? ???????????????xmlns:locdg="com.flex.*"?? ???????????????creationComplete="initApp()"?? ???????????????minWidth="955"?minHeight="600">?? ????<fx:Declarations>?? ????????<!--?將非可視元素（例如服務(wù)、值對象）放在此處?-->?? ????????<s:RemoteObject?id="userdata"?destination="userDao"?result="onResult(event)"?fault="onFault(event)"?/>?? ????????<!--<s:method?name="getUserList"?result="onResult(event)"?fault="onFault(event)"?/>-->?? ????????<s:RemoteObject?id="adduserdata"?destination="userDao"?result="addResult(event)"?fault="addFault(event)"?/>?? ????????<s:RemoteObject?id="updatauserdata"?destination="userDao"?result="updataResult(event)"?fault="updataFault(event)"?/>?? ????????<s:RemoteObject?id="deleteuserdata"?destination="userDao"?result="deleteResult(event)"?fault="deleteFault(event)"?/>?? ????</fx:Declarations>?? ????<fx:Script>?? ????????<!--[CDATA[?? ????????????import?com.flex.UserFlex;?? ?????????????? ????????????import?mx.collections.ArrayCollection;?? ????????????import?mx.controls.Alert;?? ????????????import?mx.managers.CursorManager;?? ????????????import?mx.rpc.events.FaultEvent;?? ????????????import?mx.rpc.events.ResultEvent;?? ?????????????? ????????????public?var?userFlex:UserFlex?=?new?UserFlex();?? ????????????public?var?result:Object?=?new?Object();?? ????????????[Bindable]?? ????????????public?var?users:ArrayCollection?=?new?ArrayCollection();?? ?????????????? ????????????public?function?initApp():void{?? //??????????????userdata.getUserList();?? ????????????}?? ?????????????? ????????????public?function?click_handler(event:Event):void{?? ????????????????CursorManager.setBusyCursor();?? ????????????????info.text?=?"正在查 詢...";?? ????????????????userdata.getUserList();?? ????????????}?? ????????????public?function?adduser_handler(event:Event):void{?? ????????????????if(username.text?!=?""?&&?password.text?!=?""){?? ????????????????????CursorManager.setBusyCursor();?? ????????????????????addinfo.text?=?"正在添加...";?? ????????????????????userFlex.username?=?username.text;?? ????????????????????userFlex.password?=?password.text;?? ????????????????????adduserdata.addUser(userFlex);?? ????????????????}else{?? ????????????????????addinfo.text?=?" 用戶名和密碼不能為空";?? ????????????????}?? ????????????}?? ????????????public?function?updataUser(event:Event):void{?? ????????????????if(userlist.selectedItem.username?!=?""?&&?userlist.selectedItem.password?!=?""){?? ????????????????????CursorManager.setBusyCursor();?? ????????????????????info.text?=?"正在 更新...";?? ????????????????????userFlex.id?=?userlist.selectedItem.id;?? ????????????????????userFlex.username?=?userlist.selectedItem.username;?? ????????????????????userFlex.password?=?userlist.selectedItem.password;?? ????????????????????updatauserdata.updataUser(userFlex);?? ????????????????}?? //??????????????Alert.show("確認修改？");?? ????????????}?? ????????????public?function?deleteUser(event:Event):void{?? ????????????????CursorManager.setBusyCursor();?? ????????????????info.text?=?"正在正在刪 除...";?? ????????????????userFlex.id?=?userlist.selectedItem.id;?? ????????????????deleteuserdata.deleteUser(userFlex);?? ????????????}?? ?????????????? ????????????public?function?onResult(event:ResultEvent):void{?? ????????????????users?=?event.result?as?ArrayCollection;?? ????????????????CursorManager.removeBusyCursor();?? ????????????????if(users.length==0){?? ????????????????????info.text="取數(shù)據(jù)成功，為空";?? ????????????????}else{?? ????????????????????info.text?=?" 取數(shù)據(jù)成功";?? ????????????????}?? ????????????}?? ????????????public?function?onFault(event:FaultEvent):void{?? ????????????????CursorManager.removeBusyCursor();?? ????????????????info.text="取數(shù)據(jù)失敗";?? ????????????}?? ????????????public?function?addResult(event:ResultEvent):void{?? ????????????????CursorManager.removeBusyCursor();?? ????????????????userdata.getUserList();?? ????????????????username.text?=?"";?? ????????????????password.text?=?"";?? ????????????????addinfo.text?=?" 添加成功";?? ????????????????//??????????????info.text?=?"取數(shù)據(jù)成功";?? ????????????}?? ????????????public?function?addFault(event:FaultEvent):void{?? ????????????????CursorManager.removeBusyCursor();?? ????????????????addinfo.text="添加失敗";?? ????????????}?? ????????????public?function?updataResult(event:ResultEvent):void{?? ????????????????CursorManager.removeBusyCursor();?? ????????????????userdata.getUserList();?? ????????????????info.text?=?"修改數(shù) 據(jù)成功";?? ????????????}?? ????????????public?function?updataFault(event:FaultEvent):void{?? ????????????????CursorManager.removeBusyCursor();?? ????????????????info.text="修改數(shù)據(jù)失 敗";?? ????????????}?? ????????????public?function?deleteResult(event:ResultEvent):void{?? ????????????????CursorManager.removeBusyCursor();?? ????????????????userdata.getUserList();?? ????????????????info.text?=?"刪除數(shù)據(jù)成 功";?? ????????????}?? ????????????public?function?deleteFault(event:FaultEvent):void{?? ????????????????CursorManager.removeBusyCursor();?? ????????????????info.text="刪除數(shù)據(jù)失敗";?? ????????????}?? ????????]]-->?? ????</fx:Script>?? ????<locdg:DoubleClickDataGrid?x="61"?y="189"?id="userlist"?dataProvider="{users}"?editable="true">?? ????????<locdg:columns>?? ????????????<mx:DataGridColumn?headerText="ID號"?dataField="id"?editable="false"/>?? ????????????<mx:DataGridColumn?headerText="賬號"?dataField="username"?editable="true"/>?? ????????????<mx:DataGridColumn?headerText="密碼"?dataField="password"?editable="true"/>?? ????????????<mx:DataGridColumn?headerText="修改"?width="50"?editable="false"?>?? ????????????????<mx:itemRenderer>?? ????????????????????<fx:Component>?? ????????????????????????<mx:LinkButton?toolTip="修改"?click="outerDocument.updataUser(event)"?icon="@Embed('/image/update.gif')">?? ????????????????????????</mx:LinkButton>?? ????????????????????</fx:Component>?? ????????????????</mx:itemRenderer>?? ????????????</mx:DataGridColumn>?? ????????????<mx:DataGridColumn?headerText="刪除"?width="50"?editable="false"?>?? ????????????????<mx:itemRenderer>?? ????????????????????<fx:Component>?? ????????????????????????<mx:LinkButton?toolTip="刪除"?click="outerDocument.deleteUser(event)"?icon="@Embed('/image/delete.gif')">????? ????????????????????????</mx:LinkButton>?? ????????????????????</fx:Component>?? ????????????????</mx:itemRenderer>?? ????????????</mx:DataGridColumn>?? ????????</locdg:columns>?? ????</locdg:DoubleClickDataGrid>?? ????<s:Button?x="491"?y="189"?label="取數(shù) 據(jù)"?click="click_handler(event)"?/>?? ????<s:RichText?x="606"?y="189"?id="info"?text="點擊按鈕取數(shù)據(jù)"/>?? ????<mx:Form?x="163"?y="72"?borderStyle="solid"?borderVisible="true">?? ????????<mx:FormItem?label="用戶名"?borderStyle="solid"?borderVisible="true">?? ????????????<s:TextInput?id="username"?/>?? ????????</mx:FormItem>?? ????????<mx:FormItem?label="密 碼"?borderStyle="solid"?borderVisible="true">?? ????????????<s:TextInput?id="password"/>?? ????????</mx:FormItem>?? ????</mx:Form>?? ????<s:Button?x="444"?y="100"?label="添 加"?click="adduser_handler(event)"/>?? ????<s:RichText?x="544"?y="100"?id="addinfo"?text="請?zhí)砑?#34;/>?? </s:Application>?? <?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" xmlns:locdg="com.flex.*" creationComplete="initApp()" minWidth="955" minHeight="600"> <fx:Declarations> <!-- 將非可視元素（例如服務(wù)、值對象）放在此處 --> <s:RemoteObject id="userdata" destination="userDao" result="onResult(event)" fault="onFault(event)" /> <!--<s:method name="getUserList" result="onResult(event)" fault="onFault(event)" />--> <s:RemoteObject id="adduserdata" destination="userDao" result="addResult(event)" fault="addFault(event)" /> <s:RemoteObject id="updatauserdata" destination="userDao" result="updataResult(event)" fault="updataFault(event)" /> <s:RemoteObject id="deleteuserdata" destination="userDao" result="deleteResult(event)" fault="deleteFault(event)" /> </fx:Declarations> <fx:Script> <!--[CDATA[ import com.flex.UserFlex; import mx.collections.ArrayCollection; import mx.controls.Alert; import mx.managers.CursorManager; import mx.rpc.events.FaultEvent; import mx.rpc.events.ResultEvent; public var userFlex:UserFlex = new UserFlex(); public var result:Object = new Object(); [Bindable] public var users:ArrayCollection = new ArrayCollection(); public function initApp():void{ // userdata.getUserList(); } public function click_handler(event:Event):void{ CursorManager.setBusyCursor(); info.text = "正在查詢..."; userdata.getUserList(); } public function adduser_handler(event:Event):void{ if(username.text != "" && password.text != ""){ CursorManager.setBusyCursor(); addinfo.text = "正在添加..."; userFlex.username = username.text; userFlex.password = password.text; adduserdata.addUser(userFlex); }else{ addinfo.text = "用戶名和密碼不能為空"; } } public function updataUser(event:Event):void{ if(userlist.selectedItem.username != "" && userlist.selectedItem.password != ""){ CursorManager.setBusyCursor(); info.text = "正在更新..."; userFlex.id = userlist.selectedItem.id; userFlex.username = userlist.selectedItem.username; userFlex.password = userlist.selectedItem.password; updatauserdata.updataUser(userFlex); } // Alert.show("確認修改？"); } public function deleteUser(event:Event):void{ CursorManager.setBusyCursor(); info.text = "正在正在刪除..."; userFlex.id = userlist.selectedItem.id; deleteuserdata.deleteUser(userFlex); } public function onResult(event:ResultEvent):void{ users = event.result as ArrayCollection; CursorManager.removeBusyCursor(); if(users.length==0){ info.text="取數(shù)據(jù)成功，為空"; }else{ info.text = "取數(shù)據(jù)成功"; } } public function onFault(event:FaultEvent):void{ CursorManager.removeBusyCursor(); info.text="取數(shù)據(jù)失敗"; } public function addResult(event:ResultEvent):void{ CursorManager.removeBusyCursor(); userdata.getUserList(); username.text = ""; password.text = ""; addinfo.text = "添加成功"; // info.text = "取數(shù)據(jù)成功"; } public function addFault(event:FaultEvent):void{ CursorManager.removeBusyCursor(); addinfo.text="添加失敗"; } public function updataResult(event:ResultEvent):void{ CursorManager.removeBusyCursor(); userdata.getUserList(); info.text = "修改數(shù)據(jù)成功"; } public function updataFault(event:FaultEvent):void{ CursorManager.removeBusyCursor(); info.text="修改數(shù)據(jù)失敗"; } public function deleteResult(event:ResultEvent):void{ CursorManager.removeBusyCursor(); userdata.getUserList(); info.text = "刪除數(shù)據(jù)成功"; } public function deleteFault(event:FaultEvent):void{ CursorManager.removeBusyCursor(); info.text="刪除數(shù)據(jù)失敗"; } ]]--> </fx:Script> <locdg:DoubleClickDataGrid x="61" y="189" id="userlist" dataProvider="{users}" editable="true"> <locdg:columns> <mx:DataGridColumn headerText="ID號" dataField="id" editable="false"/> <mx:DataGridColumn headerText="賬號" dataField="username" editable="true"/> <mx:DataGridColumn headerText="密碼" dataField="password" editable="true"/> <mx:DataGridColumn headerText="修改" width="50" editable="false" > <mx:itemRenderer> <fx:Component> <mx:LinkButton toolTip="修改" click="outerDocument.updataUser(event)" icon="@Embed('/image/update.gif')"> </mx:LinkButton> </fx:Component> </mx:itemRenderer> </mx:DataGridColumn> <mx:DataGridColumn headerText="刪除" width="50" editable="false" > <mx:itemRenderer> <fx:Component> <mx:LinkButton toolTip="刪除" click="outerDocument.deleteUser(event)" icon="@Embed('/image/delete.gif')"> </mx:LinkButton> </fx:Component> </mx:itemRenderer> </mx:DataGridColumn> </locdg:columns> </locdg:DoubleClickDataGrid> <s:Button x="491" y="189" label="取數(shù)據(jù)" click="click_handler(event)" /> <s:RichText x="606" y="189" id="info" text="點擊按鈕取數(shù)據(jù)"/> <mx:Form x="163" y="72" borderStyle="solid" borderVisible="true"> <mx:FormItem label="用戶名" borderStyle="solid" borderVisible="true"> <s:TextInput id="username" /> </mx:FormItem> <mx:FormItem label="密碼" borderStyle="solid" borderVisible="true"> <s:TextInput id="password"/> </mx:FormItem> </mx:Form> <s:Button x="444" y="100" label="添加" click="adduser_handler(event)"/> <s:RichText x="544" y="100" id="addinfo" text="請?zhí)砑?#34;/> </s:Application>
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