${tempNum?string.currency}或${tempNum?string(“currency”)} à结果为￥20.00
${tempNum?string. percent}或${tempNum?string(“percent”)} à结果为2,000%

详细:http://my.oschina.net/u/2297250/blog/367741

亲自试验过,${productEntity.costPrice?string.currency}  currency  能自动四舍五入