日期:2014-05-16 浏览次数:20414 次
{ columnWidth: .9, layout: 'form', border: false, items : [{ inputType : "file", fieldLabel: '上传图片', name: 'imageupload', id:'imageupload', xtype: 'textfield', anchor: '40%' }] }, { columnWidth: .5, layout: 'form', border: false, items : [ { xtype: 'box', id : 'browseImage', fieldLabel : "预览图片", autoEl : { width : 100, height : 150, tag : 'img', //type : 'image', src : Ext.BLANK_IMAGE_URL, style : 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale);', complete:'off', id : 'imageBrowse' } } ] }
//上传图片类型 var img_reg = /\.([jJ][pP][gG]){1}$|\.([jJ][pP][eE][gG]){1}$|\.([gG][iI][fF]){1}$|\.([pP][nN][gG]){1}$|\.([bB][mM][pP]){1}$/ Ext.extend(simpleForm,Ext.form.FormPanel,{ listeners: { 'render':function(f) { this.form.findField('imageupload').on('render',function() { Ext.get('imageupload').on('change',function(field,newValue,oldValue ) { var url = 'file:///'+Ext.get('imageupload').dom.value; if(img_reg.test(url)) { if(Ext.isIE) { var image = Ext.get('imageBrowse').dom; image.src = Ext.BLANK_IMAGE_URL;//覆盖原来的图片 image.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src=url; }//支持FF else { Ext.get('imageBrowse').dom.src =Ext.get('imageupload').dom.files.item(0).getAsDataURL() } } },this); },this); } } });