Flex与Java基于RemoteObject进行数据库（mysql）操作

yt-summer

　　首先呢，一些基本配置这里就不作一一介绍了（可以去网上查查 很多的配置视频、文档，这里只是代码）
　　
　　1）建立一个Java+Flex工程
　　
　　2）新建java类
　　
　　1.AddDataImpl.java
　　
　　

package com;
import java.sql.*;
import com.ConnectionFactory;
public class AddDataImpl {
 String sql;  // 定义类型
 Connection conn = null;
 Statement stmt = null;
 int rs;
 public AddDataImpl(){}
 public NoticeInfo[] addData(){ 
   try{
    conn = ConnectionFactory.getConnection();
    stmt = conn.createStatement();
    String sql = "insert into userinfo values ('11','11','11','1111-11-11') ";
    rs=stmt.executeUpdate(sql);
    stmt.close();   
   }catch(SQLException e){
    e.printStackTrace();
   }
 return null;
 }
}
　　
　　2.ConnectionFactory.java
　　

package com;
import java.sql.*;
 
public class ConnectionFactory {
 private static ConnectionFactory ref = new ConnectionFactory();
  // 连接mysql数据库， database : test  user : root  password : 1272107226
  private ConnectionFactory()
  {
   try{
    Class.forName("com.mysql.jdbc.Driver");
   }catch(ClassNotFoundException e)
   {
    System.out.println("ERROR: exception loading driver class");
   }
  }
  public static Connection getConnection() throws SQLException{
  
   String url = new String ("jdbc:mysql://localhost:3306/test?user=root&password=root");
   return DriverManager.getConnection(url);
  }
 
  public static void close(ResultSet rs)
  {
   try{
    rs.close();
   }catch(Exception ignored){}
  }
  public static void close(Statement stmt)
  {
   try{
    stmt.close();
   }catch(Exception ignored){}
  }
  public static void close(Connection conn)
  {
   try{
    conn.close();
   }catch(Exception ignored){}
  }  
}
　　3.DataServiceImpl.java
　　

package com;
import java.sql.*;
import java.util.ArrayList;
import com.ConnectionFactory;
public class DataServiceImpl {
String sql;  // 定义类型
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;  
public DataServiceImpl(){}
public NoticeInfo[] getNotices(){  
ArrayList noticeList = new ArrayList();  
try{
conn = ConnectionFactory.getConnection();
stmt = conn.createStatement();   
String sql = "select userid, username, contents, dates from userinfo ";
rs = stmt.executeQuery(sql);     
while(rs.next()){   
NoticeInfo temp = new NoticeInfo();
temp.setUserid(rs.getString("userid"));
temp.setUsername(rs.getString("username"));
temp.setContents(rs.getString("contents"));
temp.setDates(rs.getString("dates"));
noticeList.add(temp);   
}   
NoticeInfo[] notices = new NoticeInfo[noticeList.size()];
for(int i=0;i < noticeList.size();i++){
notices = (NoticeInfo) noticeList.get(i);   
}
return notices;
}catch(SQLException e){
e.printStackTrace();
return null;
}
}
}
　　4.NoticeInfo.java
　　

package com;
public class NoticeInfo {
private String userid;
private String username;
private String contents;
private String dates;

public String getContents() {
return contents;
}
public void setContents(String contents) {
this.contents = contents;
}
public String getDates() {
return dates;
}
public void setDates(String dates) {
this.dates = dates;
}

public String getUserid() {
return userid;
}
public void setUserid(String userid) {
this.userid = userid;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
}

　　
　　
　　
　　3）新建Flex页面
　　
　　1.  AddDataText.mxml
　　

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" fontSize="12" creationComplete="initApp()">
<mx:Script>
<![CDATA[
import mx.controls.Alert;
import mx.utils.ArrayUtil;
private function initApp():void
{
addDataId.addData();
}

]]>
</mx:Script>
<mx:RemoteObject id="addDataId" destination="addData"/>
<mx:Button label="插入数据" click="initApp()"/>
</mx:Application>

　　
　　2.  JavaMysql.mxml
　　

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" fontSize="12" creationComplete="initApp()">
<mx:Script>
<![CDATA[
import mx.controls.Alert;
import mx.utils.ArrayUtil;
private function initApp():void
{
getData.getNotices();
}
private function proccessResult(result:Object):void
{
myDG.dataProvider = ArrayUtil.toArray(result);
}
private function addDataFunction():void
{
addDataId.addData();
}
]]>
</mx:Script>
<mx:RemoteObject id="getData" destination="dataService" result="proccessResult(event.result)" fault="Alert.show(event.fault.faultString,'Error')"/>
<mx:RemoteObject id="addDataId" destination="addData"/>
<mx:Button label="插入数据" click="addDataFunction()" x="373" y="299"/>
<mx:DataGrid id="myDG" x="236" y="103">
<mx:columns>
<mx:DataGridColumn headerText="id" dataField="userid"/>
<mx:DataGridColumn headerText="username" dataField="username"/>
<mx:DataGridColumn headerText="contents" dataField="contents"/>
<mx:DataGridColumn headerText="dates" dataField="dates"/>
</mx:columns>
</mx:DataGrid>
</mx:Application>

　　4）配置remoting-config.xml
　　

<?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="dataService">
<properties>
<source>com.DataServiceImpl</source>
</properties>
</destination>
<destination id="addData">
<properties>
<source>com.AddDataImpl</source>
</properties>
</destination>
</service>
　　
　　5)创建数据库
　　


DROP DATABASE IF EXISTS `test`;
CREATE DATABASE `test` /*!40100 DEFAULT CHARACTER SET utf8 */;
USE `test`;
CREATE TABLE `userinfo` (
`userid` int(11) NOT NULL auto_increment,
`username` varchar(20) default NULL,
`contents` varchar(20) default NULL,
`dates` date default NULL,
PRIMARY KEY  (`userid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
INSERT INTO `userinfo` VALUES (1,'as','as','2010-05-03');
INSERT INTO `userinfo` VALUES (2,'admin','wo','2010-10-12');
INSERT INTO `userinfo` VALUES (3,'admin3','wo','2010-10-12');
INSERT INTO `userinfo` VALUES (4,'admin4','wo','2010-10-12');
INSERT INTO `userinfo` VALUES (5,'admin5','wo','2010-10-12');
INSERT INTO `userinfo` VALUES (6,'admin6','wo','2010-10-12');
INSERT INTO `userinfo` VALUES (7,'admin7','wo','2010-10-12');
INSERT INTO `userinfo` VALUES (8,'admin8','wo','2010-10-12');
INSERT INTO `userinfo` VALUES (9,'admin9','wo','2010-10-12');
INSERT INTO `userinfo` VALUES (10,'admin10','wo','2011-11-11');

　　
　　6）引进 连接mysql的包
　　
　　名字为：mysql-connector-java-5.1.7-bin.jar
　　
　　最后调试，一般都能成功，要还是不能成功的请发邮箱：xinyuzas611@163.com