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发表于 2012-11-13 08:48:12
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1判断语句0 R" N q' e# J: A5 [
if <condition> then' E* r: l" u7 b+ d
<statement sequence1>;
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<statement sequence2>;( [. v' [" ~/ @5 [
else
7 v" D, }5 c+ l/ Y" h+ k2 U1 \) z <statement sequence3>;$ j" M( q* p: ~# z) T0 L7 o$ c6 ^
end;
- l& }: s1 R! g5 M. p* ~/ m如果分支比较多，用：) v! L7 ]& |0 ?# \6 H. E% R
inspect <expression>* r& Z4 H- y- R
when <constant_list> then+ L0 C r. ]+ `7 d. y
<statement sequence1>;
& r! t+ g2 X! v4 P. d when <constant_list> then
( o2 ?3 w0 ~' F- G <statement sequence2>;
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else
8 L% `$ e9 g5 N2 ]; v <statement sequence3>;
! C$ Q3 Q! C7 x2 m: Y9 p; kend;
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2循环语句9 w5 w8 X% D3 v* y
(1) from <statement sequence1>
2 R+ c- o% V0 d; ^* w" T0 u/ m6 p until <condition> loop
& w: P: {0 }4 I9 x/ _ <statement sequence2>; x% U4 h: w9 o4 X6 R8 n
end;
0 p, \# l G5 `7 s; c; E/ h) a (2) while <condition> loop- @; H) X' R; D$ r
<statement sequence1>;9 W2 T0 C% n# U0 o9 g+ e) c6 Q2 V
end;( \# r. f K3 x$ I# T% n1 f' Z
(3) repeat
' L4 H) U7 @( S2 W: h: S <statement sequence1>;2 B1 V) }& s L& u5 Q
until <condition>;
6 f' c* x2 X; N1 N: p (4) for <condition> to <condition> loop
# k7 i7 A0 S- W- I <statement sequence1>;) H, k% |' f: {; ]% {
next;; M6 F# C: r/ O v* r* |
3中断语句( T$ U" L' S& \" I* v/ Y3 \
waituntil <condition> prio <integer expression>;
7 R/ F+ P1 e$ t3 G* c. J% t5 s, q9 {0 `
" W E6 {+ {4 k; i F以上为常用的函数！
4 d0 k [6 Z" R7 b! z还有很多，如有需要我把资料发到你邮箱里
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