很简单
//申请时间开始时间
queryWrapper.apply(createTimeStart != null , "DATE_FORMAT( create_time, '%Y-%m-%d' ) " +
" >= DATE_FORMAT( '"+createTimeStart+"', '%Y-%m-%d' )");
//申请时间结束时间
queryWrapper.apply(createTimeEnd != null , "DATE_FORMAT( create_time, '%Y-%m-%d' ) " +
" <= DATE_FORMAT( '"+createTimeEnd+"', '%Y-%m-%d' )");