100717
"select t1.* , t2.observename from limitvaluerecord t1 join OperateRule t2 on t1.observenumber = t2.observeNumber where 1=1 "
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要拼下面的字符串,要怎样做?
${if(len(observename)==0,"","and t2.observename='"+observename+"'" + " ")}
关键点,是 单双引号在嵌套时要怎样处理
编辑于 2018-4-13 08:16
编辑于 2018-4-13 08:18