[AS3]as3的解析xml详细源代码

先建立一个类文件,然后拷贝下面代码张贴进类文件中,注意类文件的名字.
再建立一个fla文件,捆绑刚才的类.然后编译下看看 ^_^

package { 
    import flash.display.Sprite; 
 
    public class XmlExample extends Sprite {        
        public function XmlExample() { 
            var employees:XML = 
               <employees> 
                    <employee ssn="123-123-1234"> 
                        <name first="John" last="Doe"/> 
                        <address> 
                            <street>11 Main St.</street> 
                            <city>San Francisco</city> 
                            <state>CA</state> 
                            <zip>98765</zip> 
                        </address> 
                    </employee> 
                    <employee ssn="789-789-7890"> 
                        <name first="Mary" last="Roe"/> 
                        <address> 
                            <street>99 Broad St.</street> 
                            <city>Newton</city> 
                            <state>MA</state> 
                            <zip>01234</zip> 
                        </address> 
                    </employee> 
                </employees>; 
 
            trace(employees.employee[0].address.zip);   // 98765 
 
            trace(employees.employee[1].@ssn);          // 789-789-7890 
 
            trace(employees.employee.name);             // <name first="John" last="Doe"/> 
                                                        // <name first="Mary" last="Roe"/> 
 
            trace(employees..zip[0]);                   // 98765 
 
            trace(employees..@ssn[1]);                  // 789-789-7890 
 
            trace(employees..name);                     // <name first="John" last="Doe"/> 
                                                        // <name first="Mary" last="Roe"/> 
 
            trace(employees.employee[0].address.*);     // <street>11 Main St.</street>   
                                                        // <city>San Francisco</city> 
                                                        // <state>CA</state> 
                                                        // <zip>98765</zip> 
            var node:String = "zip"; 
            trace(employees.employee[0].address[node]); // 98765 
            
            var attribute:String = "ssn"; 
            trace(employees.employee[1].@[attribute]); // 789-789-7890 
            
            for each (var num:XML in employees..@ssn) { 
                trace(num);                             // 123-123-1234 
            }                                           // 789-789-7890 
            
            var ssnToFind:String = "789-789-7890"; 
            trace(employees.employee.(@ssn == ssnToFind).toXMLString()); 
                                                        // <employee ssn="789-789-7890"> 
                                                        // <name first="Mary" last="Roe"/> 
                                                        // <address> 
                                                        // <street>99 Broad St.</street> 
                                                        // <city>Newton</city> 
                                                        // <state>MA</state> 
                                                        // <zip>01234</zip> 
                                                        // </address> 
                                                        // </employee> 
    
 
trace(employees.employee.( zip==98765).toXMLString()); 
 
//<employee ssn="123-123-1234"> 
                        <name first="John" last="Doe"/> 
                        <address> 
                            <street>11 Main St.</street> 
                            <city>San Francisco</city> 
                            <state>CA</state> 
                            <zip>98765</zip> 
                        </address> 
                    </employee> 
 
} 
    } 
}