将数组转换成字符串
SQL写法
where 1=1
${if(len(参数)==0,""," and 字段 in ('"+JOINARRAY(参数,"','")+"')")}
-------------------------------------------------------------------------
JOINARRAY(array,sepa):返回一个由sepa作为分隔符的字符串。
array:[arg1,arg2...]格式的数组;
sepa:分隔符。
示例:
JOINARRAY([1,2],";")=[1;2].
JOINARRAY(["hello","world"],"-")=[hello-world].