public static List<Element> generateSets(List<IntrospectedColumn> columns, String prefix) {
        return generateCommColumns(columns, prefix, false, 3);
    }
public static List<Element> generateSets(List<IntrospectedColumn> columns, String prefix) {
        return generateCommColumns(columns, prefix, false, 3);
    }
public static List < Element > generateSets ( List < IntrospectedColumn > columns , String prefix ) { return generateCommColumns ( columns , prefix , false , 3 ) ; }
生成sets Ele
@param columns
@param prefix
@return
生成sets Ele