${if(and(startmonth="", endmonth !=""), "and endmonth = ('"+replace(endmonth ,",","','")+"')", "")}
${if(and(startmonth !="", endmonth =""), "and startmonth = ('"+replace(endmonth ,",","','")+"')", "")}
${if(and(startmonth !="", endmonth !=""), "and startmonth >= ('"+replace(startmonth ,",","','")+"')", "")}
${if(and(startmonth !="", endmonth !=""), "and endmonth <= ('"+replace(endmonth ,",","','")+"')", "")}思路 就是多做几次判断。