${if(len(gysmc)=0,"","and ("+'"concat(bjzzcmc,bjzzcdm)" '+") in ('" + gysmc + "')")}这个正确的写法是啥大佬们
${if(len(gysmc)=0,"","and concat(bjzzcmc,bjzzcdm) in ('" + gysmc + "')")}
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这个concat(bjzzcmc,bjzzcdm) 是数据库字段的就是上面的写法
直接这样
${if(len(gysmc) == 0, "", "and (concat(bjzzcmc, bjzzcdm)) in ('" + gysmc + "')")}