如图,当单选组件type的值为0时,显示字段date1,否则显示字段date2
为啥会报错呢,应该怎么写啊
${if(type=1,"date1","date2")}
${if(type==0,date1,date2)}
${if(len(参数名1) == 0,"","and 字段1 = '" + 参数名1+ "'")}