{
                    xtype:"combo",
                    fieldLabel: "职位",
                    anchor:"50%",
                    model: "local",
                    displayField:"job",//哪来的job啊 ,先不改这
                    readOnly:true,
                    triggerAction:"all",
                    store: new Ext.data.SimpleStore({
                        fields: ["job"], //这个换成job
                        data: [["程序员"], ["高级程序员"]]
                      
                    })
          }