EXTJS 4.2 资料 控件之 xtype: "fieldcontainer",追加html

         {

                xtype: "fieldcontainer",

                layout: "hbox",

                items: [

                {

                    fieldLabel: '素材目录',

                    name: 'Path',

                    xtype: 'textfield',

                    allowBlank: false,

                    readOnly: true,

                    width: 300

                }, { border: false, html: "<div style='font-weight:800;color:red'>说明：这是固定目录</div>" }

                ]

            }