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发表于 2012-11-13 08:48:12
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1判断语句2 b8 ]4 a9 ?" h- i; Z* \
if <condition> then# v7 w8 {! }5 ^4 T+ K
<statement sequence1>;
% I5 W, x) U* K+ ] elseif <condition> then
l5 M5 n& K/ ^+ d+ r8 ^ <statement sequence2>;
+ T$ T9 ]8 K6 \7 ~8 I7 ~! y else
9 V5 N% C @+ q <statement sequence3>;
: D3 }8 k8 Y3 P# \ end;
" E" }% @, L4 w1 _如果分支比较多，用：9 G% i* S! C7 R( W2 u5 m
inspect <expression>
. a) ?' \* |# u9 | when <constant_list> then) |1 z) k. x; h) |7 r: D4 Z
<statement sequence1>;
0 n S3 X- a9 B. p2 x. a0 Y+ ~ when <constant_list> then( B8 Z* `4 p! y( o v! Q* u
<statement sequence2>;
3 C/ w3 U6 u' l* g/ K ...
/ L# @/ s- F4 g! l' X else
! P0 p6 Y9 S% x) a: c2 Y: c <statement sequence3>;
, e0 L: s7 k6 |end;
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2循环语句
9 q1 j8 T( K( Q3 W5 J/ B1 H (1) from <statement sequence1>
6 d; M0 f9 j, C. F until <condition> loop' s" X0 M; s l" D' r! {& c& y* J
<statement sequence2>;
5 r; @+ }$ g# x end;
; p6 a+ _/ f2 s# n0 q% s (2) while <condition> loop0 l- }4 U5 Z1 o
<statement sequence1>; v: }; {7 G9 ]* Q* F E! {
end;: P4 L2 u6 i5 Y8 B3 s
(3) repeat 4 S& j# l) T$ I( Q" g3 X$ u3 ]) a
<statement sequence1>;" K8 y. \& p9 t1 X
until <condition>;
% W* ]% a% t( k# h. x h ?2 f (4) for <condition> to <condition> loop6 b6 O/ H" P0 {2 l7 r
<statement sequence1>;0 ^9 [2 w1 D5 O# l' j- n* y
next;
) E- H3 \: D; p3中断语句" j% e& a( g4 m+ N, G' ?
waituntil <condition> prio <integer expression>;3 N7 `* q/ a1 y
& f# G( j. M9 B: e! d5 c# M3 {! M' o6 J; z5 `
以上为常用的函数！+ n6 M4 n7 O" g" R. @
还有很多，如有需要我把资料发到你邮箱里
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