ǰλãҳ > 校园二手商品交易平台的设计与开发大学学位论?- 百度文库
ѧԺҵ
ʾȨأҳʾֶƵġ
Ʒҳͼ4.14ʾ
ͼ4.14 ƷϢ
try }
{ }
catch(Exception e) {
return false;
String name=s.getSortOneName(); String desc=s.getSortOneDescribe(); int sign=s.getSortOneSign(); String
sql=\
into
sortone(sortOneName,sortOneDesc,sortOneSign)
values('\
int result=Conn.Insert(sql); if(result==1) else
return false; return true;
2Ʒ
:ƷҪƷݵչʾƷҪԱݲ鿴ƷаƷĵϢԱʵʱ鿴ƷĿǰ״̬ƷΪ漰ƷĿ϶࣬ҳҳ
ƷЧͼ ͼ4.15ʾ
23 ҳ 55 ҳ
ѧԺҵ
ͼ4.15ƷϢҳ
4.3.4
1
ҪڽƷķ࣬ƷƷҪ;ƷƷĹϵͳƷһͶ࣬һҪΪ࣬Ҫһйࡣ
еķʶǸݿеıʶʶԶģġ һЧͼ4.16ʾ
ͼ4.16 һͼ
ǸһӵģҪѡӦһ Чͼ4.17ʾ
24 ҳ 55 ҳ
ѧԺҵ
ͼ4.17
servletʵ
request.setCharacterEncoding(\
response.setContentType(\String name=request.getParameter(\String describe=request.getParameter(\String sign1=request.getParameter(\int sign=Integer.parseInt(sign1);
SortOne s=new SortOne(name,describe,sign); SortOneImp si=new SortOneImp(); boolean b=si.addSortOne(s);
2
:ҪԱȨޣڹԱеķࡣʾǰʵʱ״̬Ϊ漰ƷݡԷDzɾġҪȷƷûκιϵ֮ſȫɾ
Чͼͼ4.18ʾ
ͼ4.18ϢϢҳ
25 ҳ 55 ҳ
ѧԺҵ
ʾݶȡ
<% { %>
switch(sort) {
case 1: out.println(\Ʒ\
break;
26 ҳ 55 ҳ
<% %> <% %>
if((tradNeed.getTradDesc()).length()>20) { } else { }
out.println(\
out.println(\if((tradNeed.getTradName()).length()>20) { } else { }
out.println(\
out.println(\
TradNeed tradNeed=list.get(i);
pageContext.setAttribute(\sort=tradNeed.getTradSort(); sortOne=tradNeed.getTradSortOne(); state=tradNeed.getTradState();
TradNeedImp tni=new TradNeedImp(); ArrayList
for(int i=0;i 92ƪĵ
ߣ...ѧԺҵ ʾȨأҳʾֶƵġ Ʒҳͼ4.14ʾ ͼ4.14 ƷϢ try } { } catch(Exception e) { return false; String name=s.getSortOneName(); String desc=s.getSortOneDescribe(); int sign=s.getSortOneSign(); String sql=\into sortone(sortOneName,sortOneDesc,sortOneSign) val