columns:[
{id:"id",header:"标单编号",width:120,sortable:true,dataIndex:"orderNo"},
{header:"产品名称",width:180,sortable:true,dataIndex:"productName"},
{header:"交易开始时间",width:150,sortable:true,dataIndex:"startDate"},
{header:"交易结束时间",width:150,sortable:true,dataIndex:"endDate"},
{header:"交易决标时间",width:150,sortable:true,dataIndex:"dueDate"},
{header:"状态",width:50,sortable:true,renderer:status,dataIndex:"status"},
{header:"操作",width:50,renderer:showURL,dataIndex:"orderNo"}
]

function showURL(value, metaData, record){
return "<a href='"+record.get("dueDate")+"'>查看</a>";
}

通过record.get("")可以获得，供参考