|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句4 @+ Z T& b& t
if <condition> then7 N: H# p. y" |" N
<statement sequence1>;
3 a/ i) H( {* C2 n! r# g4 M elseif <condition> then8 v. |1 }: a6 o5 _1 W8 p
<statement sequence2>;
! R- @! \" Q5 ]- x: |7 G else
# ~6 Q5 G$ A! x3 N2 k <statement sequence3>;
: C; n. N2 t$ E) Q6 U5 y0 D6 K% `6 N end;
0 R3 u6 E t6 K( S. P如果分支比较多，用：+ R" G" X3 _& U
inspect <expression>
3 C( ~1 G& m& `) ?% s: v/ g when <constant_list> then
9 E$ t) A4 }7 \! C+ T' I <statement sequence1>;
. v! C9 l( g3 M( Z when <constant_list> then" J9 m7 @: L L; A# S, P7 G/ s
<statement sequence2>;
( o6 F8 z' h: C* _$ Y5 {1 m3 S ...
% Y: c2 Q: O! R& A7 Q9 z else* C9 ^! W9 T6 e* |' ~
<statement sequence3>;
0 J: k( _/ D8 G0 Tend;
1 k. i9 ~4 N0 G" L5 f7 g4 A7 V. c
% I" ~ @; |" z% B2 T8 t7 v2 B2循环语句, H$ `: K3 t' ]4 P3 E
(1) from <statement sequence1>
8 T0 v1 _3 k# X; }* c9 B r until <condition> loop6 R5 g" o4 K+ U$ n$ M
<statement sequence2>;) ?8 x* C7 H$ }) H% a( a2 a
end;
W W( q2 C7 A/ R1 A7 x (2) while <condition> loop4 ^& a/ [ L5 a' c6 R& _) Y
<statement sequence1>;
3 f3 W. B, Z# H0 T* Y3 R end;; P& {6 g4 G4 h+ ]/ c
(3) repeat
9 b0 h9 V3 G S, c <statement sequence1>;. i( {1 w! G% D) p: V8 _% U% {- D+ K
until <condition>;
# I' p, ]& D) v% t1 `& B/ V6 N) z (4) for <condition> to <condition> loop
+ o4 E$ e! ^ U <statement sequence1>;4 Q0 F3 _* s) A: p$ q/ X" L
next;3 d0 h: n6 Y+ [# { t1 c
3中断语句
' s( d$ d6 u# [4 ~/ Q5 d3 P2 e+ E waituntil <condition> prio <integer expression>;
3 k: O% H) k3 }) w6 `6 n! X+ H# ]7 Q7 q7 M, |
+ k4 E6 D2 k) c2 |以上为常用的函数！, u' ?6 n4 ^" I# C( [
还有很多，如有需要我把资料发到你邮箱里
) O! r) `; n" _/ Q' R- z- b/ g3 K' U4 T& r- U' `% l8 @4 d8 h$ k; V/ p& \
& b& T# g) `: O6 s2 m7 k
1 [* G1 P$ E/ }0 H5 k! i$ v
5 l# k4 u; G. v* @& |& Q$ X* l+ u
6 y7 U! Z4 w) w% [4 S0 ^ Q
9 A, ]! p* L4 Y, ?
/ F* j% a3 ^1 j7 j- I4 e% f+ |* c& R6 V; U. O2 h
) k; Y+ g& C+ _. I2 W9 V5 H; o, J
|
|
[复制链接]
