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发表于 2012-11-13 08:48:12
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1判断语句% @2 N% A q, k1 s. ~
if <condition> then
" ?/ D! T8 V9 k7 ~1 [0 t" s1 c <statement sequence1>;
" N# [: u' `- k; C* d4 t' m elseif <condition> then
. c7 e0 h/ M( S2 h2 K9 z7 e <statement sequence2>;
! G u, b. e8 b" B9 p0 Z' i else
% M$ ~ o& t f' E A <statement sequence3>;. Z' X" f, k& \1 d' [) h4 ?! w0 g
end;% J- P% a2 a" \" E& N
如果分支比较多，用：8 N6 K6 E. k" O/ U1 H: P! B
inspect <expression>
- S5 t6 L+ q- G) i; X8 F when <constant_list> then
$ h# b' A1 b! L! s+ R" J9 X6 V5 ] <statement sequence1>;
5 ^1 T& L; ~) a when <constant_list> then9 S9 x4 R" d. X3 E) _: _1 d
<statement sequence2>;
8 D ^" T- g& F, y/ n. E+ R ...
0 y4 e& B- h/ L9 Z- T) L/ i8 z else
5 B# z" L/ g* h0 l; z2 T <statement sequence3>;) Q4 S7 F. A9 Y8 `/ Z# Z
end;5 i( U3 N9 e5 P
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2循环语句
, t u S, q' a (1) from <statement sequence1>
* ~4 \ i- w6 L7 i) n( I until <condition> loop8 ~$ b( c; W6 B4 `) }) X3 P9 _. {4 Z
<statement sequence2>;) ?% q. o, ]9 o6 y! \/ D
end;: Y: }% Z" `4 F2 y5 P/ j J5 f
(2) while <condition> loop
( c* B q( L7 C5 J+ x: J& P1 F. w% o <statement sequence1>;2 D* Q% ]2 v8 D0 s' E
end;
5 ^. j: T" t3 t% N8 A (3) repeat - N$ U+ t4 f0 z& O! [
<statement sequence1>;
# P8 M7 r% U: E" e until <condition>;
0 v2 p7 f; @2 E7 X8 ] B0 u (4) for <condition> to <condition> loop
, X g5 v* \" }# X. j& G0 x# X: W' s <statement sequence1>;
2 c$ f4 ]7 N6 x1 w$ A n# { next;+ g# O8 Y1 [6 H7 O: Z
3中断语句
- }) @- R- `1 B; b! z* b waituntil <condition> prio <integer expression>;
^' I# R4 d) F4 J1 R3 G1 }# [; x
V( k. M- l4 a% `( t7 ^以上为常用的函数！, s( c' _5 n; E2 F7 r7 v
还有很多，如有需要我把资料发到你邮箱里
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