|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句; ^; h" c6 z5 Q3 C
if <condition> then% r2 O% O1 @, ]
<statement sequence1>;
# s5 J+ V1 J, O$ y elseif <condition> then8 J* u+ ]3 k D4 _7 ]) _
<statement sequence2>;
4 U# l0 m) k# |" n. C) E. H else 6 p/ A6 C. d. g5 E9 x, o
<statement sequence3>;- `( J1 c8 y( _% b) P# x7 ]9 E
end;
- X( ^% @7 E) q- m& f& t, G如果分支比较多，用：6 r/ N! i8 L' y6 B8 c2 C: }# w
inspect <expression>
3 t" X9 f0 G. v4 U+ M$ V when <constant_list> then
6 R4 m5 t6 g& f! ^) p <statement sequence1>;& t; o6 I% J; P1 ]1 C2 T" } F
when <constant_list> then) g+ v1 @* N8 s% m4 v
<statement sequence2>;
! j$ ~. D) j& k1 i ...2 p% n% f- Y l- b% K C
else
7 c9 ^# I0 w/ X" y s9 @ <statement sequence3>;% v, ?8 y7 s, y
end;6 |+ N( F# H4 g; c5 p3 Q
& L$ n$ \# L) w9 r( q2循环语句, c) ]0 s- D6 s# z; D2 V# O$ p p
(1) from <statement sequence1>
) o1 j4 [$ e5 N until <condition> loop
4 M. A8 _5 U9 ]) c1 {3 ^' w <statement sequence2>;
" _1 s$ r. @3 k% F end;6 P) ]& N( o( E
(2) while <condition> loop) A! p2 K# A$ C8 r
<statement sequence1>;
% l& b& C. x. [4 U end;
0 P6 ]# T. j3 V, z, A (3) repeat
% [- Q, t7 W8 `4 E* ~5 K/ e/ D0 j <statement sequence1>;5 C# _* k$ t4 A
until <condition>;- H8 P- W( `& r3 l
(4) for <condition> to <condition> loop
' ~6 e$ j! {4 c- ^ <statement sequence1>;8 ?' e" ~' \& [( {- R
next;
5 a6 o$ l ^* v3中断语句
$ ^3 |2 ]9 M2 Y! T% Y waituntil <condition> prio <integer expression>;5 J) ]3 m! d, b
) G& u$ `, H# H- M! M4 g( i4 o
# `6 [. Z# X' e1 [) J' B以上为常用的函数！2 [* q7 p* T. M% f, c
还有很多，如有需要我把资料发到你邮箱里 * n, v/ p" Z: {. J: v7 P- c
% M6 T# B( P# ^. D3 v5 c. o
9 a' f; [) a9 F# t4 q) f" T) Y
H c/ {7 |2 Z
; z2 ]5 X$ ~ y2 ?1 T7 ^' R! k
5 x- x# z% Y# y% n) Z' a( M* S7 d! L
, O' k& d( ~: Z
( F e% K! ?9 u6 k5 M, U, B( M2 B
! ~+ D, }" m7 a8 B- ]
: p; _- i- t+ o2 P& u$ t9 Y' A7 e |
|
[复制链接]
