#sql("xxx")
UPDATE xxx
SET
#if(xx != null && xx != "")
yy = #para(xx)
#end
#if(zz != null && zz != "")
aa = aa + #para(zz),
lasttime = now()
#end
WHERE
id = #para(id)
#end在每条语句后面是否需要加逗号
#if(xx != null && xx != "") yy = #para(xx), #end #if(zz != null && zz != "") aa = aa + #para(zz), lasttime = now() #end
项目：JFinal
