ExtJS textfield中添加图片
new Ext.form.TextField({fieldLabel:'用户名',name:'j_username',inputType:'text',width:250,allowBlank:false,cls : "login",style:{background: '#ffffff url(imgs/user.png) no-repeat left center',paddingLeft: '20px' }, blankText:'请输入' }),new Ext.form.TextField({fieldLabel:'密码',name:'j_password',inputType:'password',width:250,allowBlank:false,style:{background: '#ffffff url(imgs/computer_key.png) no-repeat left center',paddingLeft: '20px' }, blankText:'请输入'