如题
直接这个额写法
${if(参数="1","select * from 表1","select * from 表2")}
========
${if(参数="1","select * from 表1",if(参数="2","select * from 表2",if(参数="3","select * from 表3","select * from 表4")))}
嵌套的select中还有if判断,该怎么解决,直接嵌套会报错,{}帆软大括号不允许嵌套大括号