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发表于 2012-11-13 08:48:12
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1判断语句0 Q# _: ^$ T P% c- \ e
if <condition> then
" N3 |* K& {& F# y9 N <statement sequence1>;
0 J" Q/ {2 R0 _8 }2 X6 U elseif <condition> then
7 P0 g3 k% F# Y2 V8 n <statement sequence2>;
- N% b" z: H1 ?0 e9 i else
; Q/ w+ W4 f; W9 n0 L) [ <statement sequence3>;7 D1 p- A. D. @- _
end;
& q$ H- x' d4 [ P" a: X6 c如果分支比较多，用：: p: R. z4 x3 t$ r( g) y P
inspect <expression>
8 C1 R- R) j1 j% ^. r; I when <constant_list> then7 t9 r+ ]9 a# \- a5 V2 n
<statement sequence1>;
# n3 `: w. s @0 s" Z when <constant_list> then
/ Z1 S% C) y& E5 z, v2 e <statement sequence2>;& l; w8 G/ I/ `1 s4 Q) K( E- o
...
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<statement sequence3>;- I7 ?- G5 v. g( c) y/ t
end;
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6 o, L5 {$ u* q0 _6 u- X' p2循环语句
0 w5 Y* S4 i6 x5 ?" N! e (1) from <statement sequence1>; Q2 i$ v- U. T
until <condition> loop
/ M& H6 L8 R- S9 t7 X# R. X <statement sequence2>;0 Y+ s( @0 |/ s- V4 I" G* Y; x- K: C
end;: j& Q* `$ f o
(2) while <condition> loop
1 ~7 |5 @7 `9 F1 D d/ @$ g <statement sequence1>;
6 O* x) R! s* x( O( J8 P# l end;8 s1 U. \3 b; U
(3) repeat : f+ X* _# h/ P }8 R* Y" D* P
<statement sequence1>;3 R6 ^* J/ C# ~; w5 v( R
until <condition>;
^2 c4 I1 n; ^ (4) for <condition> to <condition> loop# u3 x: o. u1 v6 j8 q5 k
<statement sequence1>;
# F" m7 B" z5 p9 w" g) |4 V- R next;5 E8 I V a8 n; M }! |8 ^. l! z
3中断语句4 g& Z6 y* e( u# i
waituntil <condition> prio <integer expression>;9 W' _: ^5 o! t4 e. ~
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* O: m! C i% P. k
以上为常用的函数！
' [9 H# o8 s* Z7 h" j* ~& v还有很多，如有需要我把资料发到你邮箱里
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