mysql> select * from Test ORDER BY case name when 2 then 1 else 2 END,id desc;
+----+------+
| id | name |
+----+------+
| 3 | 2 |
| 4 | 1 |
| 2 | 3 |
| 1 | 4 |
+----+------+
4 rows in set
select * from(select * from lssuing l where 1=1 and state=2 order by case when lssuingType=5 then 0 when lssuingType<>5 then 1 else 2 end,borrowTime asc) a union all select * from(select * from lssuing l where 1=1 and state<>2 order by case when state=1 then 1 when state=3 then 2 when state=4 then 3 else 3 end ,borrowTime desc) b
sql="select * from("+sql+" and state=2 order by case when lssuingType=5 then 0 when lssuingType<>5 then 1 else 2 end,borrowTime asc) a union all select * from("+sql+" and state<>2 order by case when state=1 then 1 when state=3 then 2 when state=4 then 3 else 3 end ,borrowTime desc) b";
HttpServletRequest request=ServletActionContext.getRequest();
String time = request.getParameter("time");//時間
String rate = request.getParameter("rate");//利率
String order = request.getParameter("order");//排序
System.out.println("order="+order);
String sql ="select * from lssuing l where 1=1";
if(!"".equals(this.lussingType) && this.lussingType!=0){
sql =sql+ " and l.lssuingType=" + this.lussingType;
}
if(time!=null && !"".equals(time)){
if("1".equals(time)){//0~3個月
sql =sql+" and (l.periodTimeId <=3 or l.periodDayId is not null)";
}else if("2".equals(time)){//3~6個月
sql =sql+" and (l.periodTimeId <=6 and l.periodTimeId>=3)";
}else{
sql =sql+" and l.periodTimeId >=6 ";
}
ActionContext.getContext().put("time", time);
}
if(rate!=null && !"".equals(rate)){
if("1".equals(rate)){//利率爲10~13
sql=sql+" and ((l.rate>=10 and l.rate<=13 and l.periodTimeId is not null) or " +
"(l.periodDayId is not null and ((l.rate *360)>=10 and (l.rate *360)<=13)))";
}else if("2".equals(rate)){
sql=sql+" and ((l.rate>=13 and l.rate<=15 and l.periodTimeId is not null) or " +
"(l.periodDayId is not null and ((l.rate *360)>=13 and (l.rate *360)<=15)))";
}else{
sql=sql+" and ((l.rate>=15 and l.periodTimeId is not null) or " +
"(l.periodDayId is not null and ((l.rate *360)>=15)))";
}
ActionContext.getContext().put("rate", rate);
}
if(order!=null && !"".equals(order)){
if(order.equals("2")){
sql=sql+" order by l.borrowTime desc";
}else if(order.equals("1")){
sql=sql+" order by -l.borrowMoney desc";
}
ActionContext.getContext().put("order", order);
}else{
//!"".equals(this.lussingType) && this.lussingType!=0
sql="select * from("+sql+" and state=2 order by case when lssuingType=5 then 0 when lssuingType<>5 then 1 else 2 end,borrowTime asc) a union all select * from("+sql+" and state<>2 order by borrowTime desc) b";
}
System.out.println("sql================================="+sql);
List lssuings = this.lssuingService.findLssuingsBySearch(sql);
int totalRecord =lssuings.size();
if(totalRecord % this.pageSize==0){
this.totalPage=totalRecord / this.pageSize;
}else {
this.totalPage=(totalRecord / this.pageSize)+1;
}
if(this.currentPage >= this.totalPage){
this.currentPage=this.totalPage;
}
if(this.currentPage <=1){
this.currentPage=1;
}
sql=sql+" limit "+(this.currentPage-1)*this.pageSize +","+this.pageSize;
System.out.println("sql="+sql);