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Flex RemoteObject 简单应用Demo（转载）
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作者: globlefly(http://globlefly.itpub.net)
发表于:2005.11.20 09:55
分类: Flex
出处：http://globlefly.itpub.net/post/7625/46292
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发表于:2005.11.20 09:55
分类: Flex
出处：http://globlefly.itpub.net/post/7625/46292
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主要实现java类方法调用，java对象数组传递，flex数据传递
<remote-objects>
<whitelist>
<!-- whitelist config for unnamed objects -->
<unnamed>
<source>*</source>
</unnamed>
</whitelist>
</remote-objects><?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml" verticalGap="10" initialize="initApp()">
<mx:Script>
<![CDATA[
var userList;
function initApp() {
userRO.getAllUser();
}
]]>
</mx:Script>
<mx:RemoteObject id="userRO" source="UserManager"
result="userList=event.result" fault="alert(event.fault.faultstring, 'Error')">
</mx:RemoteObject>
<mx:HBox>
<mx:Label text="Search"/>
<mx:TextInput id="key" width="120"/>
<mx:Button label="Get User List" click="userRO.getUser(key.text)"/>
</mx:HBox>
<mx:DataGrid dataProvider="{userList}" width="100%">
<mx:columns>
<mx:Array>
<mx:DataGridColumn columnName="id" headerText="Id"/>
<mx:DataGridColumn columnName="name" headerText="Name"/>
<mx:DataGridColumn columnName="phone" headerText="Phone"/>
<mx:DataGridColumn columnName="email" headerText="Email"/>
</mx:Array>
</mx:columns>
</mx:DataGrid>
</mx:Application>
import java.util.ArrayList;
public class UserManager 
{
public Object[] getUser(String name) {
ArrayList users = init();
ArrayList finder = new ArrayList();
for(int i=0; i<users.size(); i++){
User user = (User)users.get(i);
if(user.getName().equals(name)){
finder.add(user);
}
}
return finder.toArray();
}
public Object[] getAllUser() {
return init().toArray();
}
private ArrayList init() {
ArrayList list = new ArrayList();
list.add(new User(1, "Christina Coenraets", "555-219-2270", "ccoenraets@fictitious.com"));
list.add(new User(2, "Louis Freligh", "555-219-2100", "lfreligh@fictitious.com"));
list.add(new User(3, "Ronnie Hodgman", "555-219-2030", "rhodgman@fictitious.com"));
list.add(new User(4, "Joanne Wall", "555-219-2012", "jwall@fictitious.com"));
list.add(new User(5, "Maurice Smith", "555-219-2012", "maurice@fictitious.com"));
list.add(new User(6, "Mary Jones", "555-219-2000", "mjones@fictitious.com"));
return list;
}
}
import java.io.Serializable;
public class User implements Serializable {
private int id;
private String name;
private String phone;
private String email;
public User() {
}
public User(int id){
this.id = id;
}
public User(int id, String name, String phone, String email) {
this.id = id;
this.name=name;
this.phone=phone;
this.email=email;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPhone() {
return phone;
}
程序在以下环境编译执行通过：
flex 1.5 Trail Edition
Tomcat/5.0.19
j2sdk1.4.2_10
WindowsXp Sp2
java文件编译后未打包，.class文件直接放到{flex-dir}WEB-INFclasses 目录下
实体User.java注意要实现Serializable接口，否则无法将对象传递到Flex。
注意修改Flex的访问控制， flex-config.xml 增加<source>*</source>
<remote-objects> <whitelist> <!-- whitelist config for unnamed objects --> <unnamed> <source>*</source> </unnamed> </whitelist></remote-objects>
RemoteObjectDemo.mxml
<?xml version="1.0" encoding="utf-8"?><mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml" verticalGap="10" initialize="initApp()"> <mx:Script> <![CDATA[ var userList; function initApp() { userRO.getAllUser(); } ]]> </mx:Script> <mx:RemoteObject id="userRO" source="UserManager" result="userList=event.result" fault="alert(event.fault.faultstring, 'Error')"> </mx:RemoteObject> <mx:HBox> <mx:Label text="Search"/> <mx:TextInput id="key" width="120"/> <mx:Button label="Get User List" click="userRO.getUser(key.text)"/> </mx:HBox> <mx:DataGrid dataProvider="{userList}" width="100%"> <mx:columns> <mx:Array> <mx:DataGridColumn columnName="id" headerText="Id"/> <mx:DataGridColumn columnName="name" headerText="Name"/> <mx:DataGridColumn columnName="phone" headerText="Phone"/> <mx:DataGridColumn columnName="email" headerText="Email"/> </mx:Array> </mx:columns> </mx:DataGrid></mx:Application>
UserManager.java
import java.util.ArrayList;public class UserManager { public Object[] getUser(String name) { ArrayList users = init(); ArrayList finder = new ArrayList(); for(int i=0; i<users.size(); i++){ User user = (User)users.get(i); if(user.getName().equals(name)){ finder.add(user); } } return finder.toArray(); } public Object[] getAllUser() { return init().toArray(); } private ArrayList init() { ArrayList list = new ArrayList(); list.add(new User(1, "Christina Coenraets", "555-219-2270", "ccoenraets@fictitious.com")); list.add(new User(2, "Louis Freligh", "555-219-2100", "lfreligh@fictitious.com")); list.add(new User(3, "Ronnie Hodgman", "555-219-2030", "rhodgman@fictitious.com")); list.add(new User(4, "Joanne Wall", "555-219-2012", "jwall@fictitious.com")); list.add(new User(5, "Maurice Smith", "555-219-2012", "maurice@fictitious.com")); list.add(new User(6, "Mary Jones", "555-219-2000", "mjones@fictitious.com")); return list; }}
User.java
import java.io.Serializable;public class User implements Serializable { private int id; private String name; private String phone; private String email; public User() { } public User(int id){ this.id = id; } public User(int id, String name, String phone, String email) { this.id = id; this.name=name; this.phone=phone; this.email=email; } public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPhone() { return phone; }