中间件编程

开发平台：
JavaScript

xml-form.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.onReady(function(){
    Ext.QuickTips.init();
    // turn on validation errors beside the field globally
    Ext.form.Field.prototype.msgTarget = 'side';
    var fs = new Ext.FormPanel({
        frame: true,
        title:'XML Form',
        labelAlign: 'right',
        labelWidth: 85,
        width:340,
        waitMsgTarget: true,
        // configure how to read the XML Data
        reader : new Ext.data.XmlReader({
            record : 'contact',
            success: '@success'
        }, [
            {name: 'first', mapping:'name/first'}, // custom mapping
            {name: 'last', mapping:'name/last'},
            'company', 'email', 'state',
            {name: 'dob', type:'date', dateFormat:'m/d/Y'} // custom data types
        ]),
        // reusable eror reader class defined at the end of this file
        errorReader: new Ext.form.XmlErrorReader(),
        items: [
            new Ext.form.FieldSet({
                title: 'Contact Information',
                autoHeight: true,
                defaultType: 'textfield',
                items: [{
                        fieldLabel: 'First Name',
                        name: 'first',
                        width:190
                    }, {
                        fieldLabel: 'Last Name',
                        name: 'last',
                        width:190
                    }, {
                        fieldLabel: 'Company',
                        name: 'company',
                        width:190
                    }, {
                        fieldLabel: 'Email',
                        name: 'email',
                        vtype:'email',
                        width:190
                    },
                    new Ext.form.ComboBox({
                        fieldLabel: 'State',
                        hiddenName:'state',
                        store: new Ext.data.ArrayStore({
                            fields: ['abbr', 'state'],
                            data : Ext.exampledata.states // from states.js
                        }),
                        valueField:'abbr',
                        displayField:'state',
                        typeAhead: true,
                        mode: 'local',
                        triggerAction: 'all',
                        emptyText:'Select a state...',
                        selectOnFocus:true,
                        width:190
                    }),
                    new Ext.form.DateField({
                        fieldLabel: 'Date of Birth',
                        name: 'dob',
                        width:190,
                        allowBlank:false
                    })
                ]
            })
        ]
    });
    // simple button add
    fs.addButton('Load', function(){
        fs.getForm().load({url:'xml-form.xml', waitMsg:'Loading'});
    });
    // explicit add
    var submit = fs.addButton({
        text: 'Submit',
        disabled:true,
        handler: function(){
            fs.getForm().submit({url:'xml-errors.xml', waitMsg:'Saving Data...'});
        }
    });
    fs.render('form-ct');
    fs.on({
        actioncomplete: function(form, action){
            if(action.type == 'load'){
                submit.enable();
            }
        }
    });
});
// A reusable error reader class for XML forms
Ext.form.XmlErrorReader = function(){
    Ext.form.XmlErrorReader.superclass.constructor.call(this, {
            record : 'field',
            success: '@success'
        }, [
            'id', 'msg'
        ]
    );
};
Ext.extend(Ext.form.XmlErrorReader, Ext.data.XmlReader);

						