|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
9 F) t" l2 F. z7 } D if <condition> then
" L; @; _! E7 g( H <statement sequence1>;& `2 j A" X/ }: p7 J4 H
elseif <condition> then
% P( z/ `- z) S8 f- D3 V8 U <statement sequence2>;$ ~5 g$ W# P9 w5 k
else 5 V+ C+ O* Y( w* c7 g
<statement sequence3>;' J& T* ]# ~& |8 U. e, J
end;
! x, ~2 z2 F5 o如果分支比较多，用：
0 M$ m) {" ~5 h9 p* Q% ?0 q" ^ inspect <expression>2 n3 ~' j7 ]* ^9 `3 p/ n; h$ K
when <constant_list> then; g) o, P( c1 y" ?; p
<statement sequence1>;9 w: I; l( n" J) q; d: g& H# n2 [
when <constant_list> then6 a `2 ^; b5 s7 k/ S2 c8 ^, |5 q6 x
<statement sequence2>;
5 W% R6 J1 L2 o3 ? ...6 L# M/ m* N3 ] n& j
else6 }% C* x+ M+ Q9 M: h( v/ |
<statement sequence3>;
8 c0 E$ w6 m9 t8 s1 K* k4 J( jend;7 m ?; E: ]) q1 g
- E1 w e# Q* o' z8 O8 g' I
2循环语句4 O. v( _) e2 Z% H2 M
(1) from <statement sequence1>% y2 Q- k7 a0 X
until <condition> loop
9 [9 q: P4 n% ^/ |- [3 g* C <statement sequence2>;2 G. e8 A$ i, R9 s
end;) ^- F) C& X& S
(2) while <condition> loop+ g9 k" O$ f; I
<statement sequence1>;
7 p( K" P" I- e1 i# H, C, R% d) ]3 ? end;2 y3 d! S3 Y( b5 ^6 p3 Z: d' v+ }
(3) repeat
" c# ^1 \3 u" T: [ <statement sequence1>;- {) J7 Q1 b$ | ~& }$ }. V
until <condition>;
/ I1 A+ Y# D8 H$ m( Z: d+ A (4) for <condition> to <condition> loop
- p* R8 a+ s: r& _9 o- b: S <statement sequence1>;
, P# O* Q: G# g next;
0 c8 Z) \1 ?; c7 H7 L3中断语句& F) J6 Q8 o/ i1 W
waituntil <condition> prio <integer expression>;, Z5 q5 j3 y) C! x
/ N( q9 [3 D* l1 e9 S( h- K
6 y, n" e1 k# _" r6 B- J以上为常用的函数！0 j7 z* c' m) } t
还有很多，如有需要我把资料发到你邮箱里
! l! E/ g. h. c3 X- X0 w0 \7 P$ d; b
/ {6 h9 k; \- P# n0 \/ z. y) L7 S3 h& g4 H/ I9 N
" ?) B% L' E5 \# K+ p
& l: n6 ]+ T1 x* d3 E) [9 _ m7 y" w$ R" d7 \/ b
9 h0 W4 ?6 ?* j* U3 e* d7 `
! J1 I/ ]0 B _7 d
7 d9 z& e1 |! X* [6 x1 U* ^ ) X A" L9 k: M- V/ U8 Z
|
|
[复制链接]
