日期格式:

{name:'uploadtime',index:'uploadtime', width:40,formatter:'date', editable:true,searchoptions:{sopt:['eq']}}

指定长度的数字:

{name:'S5',index:'S5', width:40,formatter:'number', formatoptions:{decimalSeparator: ".", thousandsSeparator: ",", decimalPlaces: 5, prefix: ""}, editable:true,searchoptions:{sopt:['eq']}}