中间件编程

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JavaScript

data-xml.js：源码内容

							/*
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
Ext.data.XmlWriter=Ext.extend(Ext.data.DataWriter,{render:function(c,a,d,b){},createRecord:function(a){},updateRecord:function(a){},destroyRecord:function(a){}});Ext.data.XmlReader=function(a,b){a=a||{};Ext.data.XmlReader.superclass.constructor.call(this,a,b||a.fields)};Ext.extend(Ext.data.XmlReader,Ext.data.DataReader,{read:function(a){var b=a.responseXML;if(!b){throw {message:"XmlReader.read: XML Document not available"}}return this.readRecords(b)},readRecords:function(z){this.xmlData=z;var s=z.documentElement||z;var l=Ext.DomQuery;var b=this.recordType,p=b.prototype.fields;var d=this.meta.idPath||this.meta.id;var h=0,e=true;if(this.meta.totalRecords){h=l.selectNumber(this.meta.totalRecords,s,0)}if(this.meta.success){var o=l.selectValue(this.meta.success,s,true);e=o!==false&&o!=="false"}var w=[];var A=l.select(this.meta.record,s);for(var u=0,x=A.length;u<x;u++){var r=A[u];var a={};var m=d?l.selectValue(d,r):undefined;for(var t=0,k=p.length;t<k;t++){var y=p.items[t];var g=l.selectValue(Ext.value(y.mapping,y.name,true),r,y.defaultValue);g=y.convert(g,r);a[y.name]=g}var c=new b(a,m);c.node=r;w[w.length]=c}return{success:e,records:w,totalRecords:h||w.length}},readResponse:Ext.emptyFn});Ext.data.XmlStore=Ext.extend(Ext.data.Store,{constructor:function(a){Ext.data.XmlStore.superclass.constructor.call(this,Ext.apply(a,{reader:new Ext.data.XmlReader(a)}))}});Ext.reg("xmlstore",Ext.data.XmlStore);

						