Ext.define('saas.util.FormUtil', {
    /**
     * 获得form的字段配置
     * @param form: form组件
     * @param url: url
     */
    getFormItems: function(form, url, callback) {
        Ext.Ajax.request({
            url: url,
            success: function(response, opts) {
                var items = Ext.decode(response.responseText);
                form.add(items);

                typeof callback == 'function' && callback(form, items);
            },
       
            failure: function(response, opts) {
                console.log('server-side failure with status code ' + response.status);
            }
        });
    }
});