为什么呢》？ indexOf()用不了？(10分)

S

strongm0002

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2002-04-05

• #1

String newC = request.getParameter("insertC");
String year="";
int p=4;
p = newC.indexOf('.');
year = newC.substring(0,p);

 

W

wukw

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2002-04-05

• #2

insertC的具体数据是什么？？？

 

P

Pipi.

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2002-04-06

• #3

你要查查 newC 的值是否和你预计的一样

 

J

jim2002

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2002-04-10

• #4

是否newC为null,
if (newC!=null){
p = newC.indexOf('.');
year = newC.substring(0,p);
}

 

C

clever_boy_2000

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2002-08-13

• #5

p = newC.indexOf('.');
应该为:
p = newC.indexOf(".");

 

L

lnboy

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2003-09-12

• #6

接受答案了.