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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句4 M# P# \: r) O3 q" K* o
if <condition> then
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3 A- N4 s [8 |$ D elseif <condition> then
9 p) F. Z% z j <statement sequence2>;+ \0 A" }8 h, y
else 0 y. T( n. x8 B& T, }; x
<statement sequence3>;
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如果分支比较多，用：6 d2 T# m( z/ w) u
inspect <expression>2 j5 }/ Z+ U2 W4 W$ @- C& _
when <constant_list> then! ^/ m% ?, ^0 f! n
<statement sequence1>;9 d2 A$ J/ k \% y4 n6 n8 t
when <constant_list> then* E& \8 K+ o; z7 ]- j
<statement sequence2>;# n v, Z! f* h, ?/ _) G( P3 u/ c
...
! Y9 E& I; E& Z: y% r" y else
( N& n6 L( |+ P- \( | <statement sequence3>;
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2循环语句
2 Z* w; t8 c3 m" N8 }4 q9 Q (1) from <statement sequence1>
4 l) {) m: D! i( w9 t until <condition> loop
# N% I, X9 d& Y" u <statement sequence2>;
# D7 t! d' `) ?& A end;# T3 V8 a; z) M5 w
(2) while <condition> loop5 W8 P7 W) ~8 |
<statement sequence1>;* d# V6 b" y4 I. [% L. U- A7 d
end;0 @; ?1 Y4 y6 h( D' p# Z
(3) repeat : |; q3 m8 Y, [; N+ O) f6 s
<statement sequence1>;6 L& b; l$ y( F( o) y
until <condition>;+ o2 D0 i9 Z( M; [6 ?$ D6 s) v$ E
(4) for <condition> to <condition> loop3 _8 q) b. u) c ^+ l; V( p) n
<statement sequence1>;
6 U% G, s7 M( O3 N& Y next;3 w `7 {. p1 l/ a2 W
3中断语句5 H1 Y! K6 s! i! B H
waituntil <condition> prio <integer expression>;+ y& D: S5 \( _' z& T. L
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4 p5 w. s* Y% j$ R: |以上为常用的函数！
" ^8 B- D. c/ X; @8 N' f b- v* P还有很多，如有需要我把资料发到你邮箱里 4 L1 Z+ _4 l; w, |
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