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  • AS3连接MYSQL数据库

    最近由于制作任务编辑器,需要连接到数据库中进行一些任务数据的操作,而我们存放任务数据的数据库中MYSQL,所以就找了一下AS3接连MYSQL数据库的资料。

    找到一个好东西:ActionScript 3 MySql Driver,用SVN的童鞋可以直接checkout: 

    http://assql.googlecode.com/svn/trunk/
     

    为了使用简单,我做了一个简单的包装类(包含一个数据结构):

    package com.easily.ds
    {
        public class DataBaseData
        {
            public var host:String;
            public var port:int;
            public var username:String;
            public var password:String;
            public var database:String;
        }
    }
    package com.easily.util
    {
        import com.easily.ds.DataBaseData;
        import com.maclema.mysql.Connection;
        import com.maclema.mysql.Field;
        import com.maclema.mysql.MySqlResponse;
        import com.maclema.mysql.MySqlToken;
        import com.maclema.mysql.ResultSet;
        import com.maclema.mysql.Statement;
         
        import flash.events.Event;
        import flash.events.EventDispatcher;
         
        import mx.rpc.AsyncResponder;
     
        /**
         * @author Easily
         */
        public class DataBase extends EventDispatcher
        {
            private var mDataBase:DataBaseData;
            private var mConnection:Connection;
             
            public function DataBase(database:DataBaseData)
            {
                mDataBase = database;
            }
             
            public function connect():void
            {
                mConnection = new Connection(mDataBase.host, mDataBase.port,
                    mDataBase.username, mDataBase.password, mDataBase.database);
                mConnection.addEventListener(Event.CONNECT, onConnected);
                 
                mConnection.connect();
                 
                function onConnected(event:Event):void
                {
                    mConnection.removeEventListener(Event.CONNECT, onConnected);
                     
                    dispatchEvent(event);
                }
            }
             
            public function disconnect():void
            {
                mConnection.disconnect();
            }
             
            public function select(sql:String, completeHandler:Function, errorHandler:Function = null):void
            {
                var st:Statement = mConnection.createStatement();
                var token:MySqlToken = st.executeQuery(sql);
                var responder:AsyncResponder = new AsyncResponder(resultHandler, faultHandler, token);
                token.addResponder(responder);
                 
                function resultHandler(result:Object/*ResultSet*/, token:Object/*MySqlToken*/):void
                {
                    var data:Array = [];
                     
                    if (result is ResultSet)
                    {
                        var fieldList:Array = result.getColumns();
                        while (result.next())
                        {
                            var item:Object = {};
                            for each (var field:Field in fieldList)
                            {
                                item[field.getName()] = result.getString(field.getName());
                            }
                            data.push(item);
                        }
                    }
                     
                    completeHandler(data);
                }
                 
                function faultHandler(info:Object, token:Object):void
                {
                    if (errorHandler == null) return;
                     
                    errorHandler();
                }
            }
             
            public function insert(sql:String, completeHandler:Function, errorHandler:Function = null):void
            {
                var st:Statement = mConnection.createStatement();
                var token:MySqlToken = st.executeQuery(sql);
                var responder:AsyncResponder = new AsyncResponder(resultHandler, faultHandler, token);
                token.addResponder(responder);
                 
                function resultHandler(result:Object/*MySqlResponse*/, token:Object/*MySqlToken*/):void
                {
                    completeHandler(result.insertID);
                }
                 
                function faultHandler(info:Object, token:Object):void
                {
                    if (errorHandler == null) return;
                     
                    errorHandler();
                }
            }
             
            public function remove(sql:String, completeHandler:Function, errorHandler:Function = null):void
            {
                var st:Statement = mConnection.createStatement();
                var token:MySqlToken = st.executeQuery(sql);
                var responder:AsyncResponder = new AsyncResponder(resultHandler, faultHandler, token);
                token.addResponder(responder);
                 
                function resultHandler(result:Object/*MySqlResponse*/, token:Object/*MySqlToken*/):void
                {
                    completeHandler();
                }
                 
                function faultHandler(info:Object, token:Object):void
                {
                    if (errorHandler == null) return;
                     
                    errorHandler();
                }
            }
        }
    }

    其中有3个方法,select,insert,remove,分别对应了SQL语句中的select,insert,delete

    用法很简单,先连接:

    var databaseData:DataBaseData = new DataBaseData();    
    databaseData.host = "127.0.0.1";
    databaseData.database = "game";
    databaseData.password = "123456";
    databaseData.port = 3306;
    databaseData.username = "root";
     
    var dataBase:DataBase = new DataBase(databaseData);
    dataBase.addEventListener(Event.CONNECT, onConnected);
    dataBase.connect();
     
    function onConnected(event:Event):void
    {
        dataBase.removeEventListener(Event.CONNECT, onConnected);
         
        dispatchEvent(new Event(Event.COMPLETE));
    }

    如果不需要用了可以先断开连接:

    dataBase.disconnect();

    下面是select语句:

    var sql:String = "select id,name from `npc`";
    dataBase.select(sql, endQuery);
     
    function endQuery(data:Array):void
    {
        var npcList:Array=  [];
        for each (var item:Object in data)
        {
            var npc:Object = {id:item.id, name:item.name};
             
            npcList.push(npc);
        }  
    }

    insert语句用法会返回一个insertID,也就是插入的那条数据的ID。

    这是原码:

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  • 原文地址:https://www.cnblogs.com/bluesea-flash/p/3319554.html
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