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发表于 2012-11-13 08:48:12
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1判断语句& i1 m- q. x, o3 J
if <condition> then1 a/ N$ ]0 E9 Y/ q
<statement sequence1>;
4 G) I. k' H/ f5 t- Q elseif <condition> then
8 `/ W0 R9 ?% P2 |* @ <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：6 Y$ _1 f& d4 c7 }# W
inspect <expression>
' V [# [* ]3 Y5 Z+ @ when <constant_list> then
U: D; u- r. G, [( d5 F4 r! z <statement sequence1>;
0 B$ x1 L" u$ Y& _, j+ C4 U when <constant_list> then
/ J' V8 S3 h7 G* a* h <statement sequence2>;9 z( m! @5 E. m2 q7 q, X4 R- s
...
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<statement sequence3>;
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2循环语句
y) B/ [+ n3 U: d. m' j( X, U (1) from <statement sequence1>
: Z3 s. w& g$ ?8 Q% x: A( E until <condition> loop. C, k6 |) n0 a
<statement sequence2>;
# M- E( C# T1 [ end;
7 g) D O- I& d: i" T, ]# o" k (2) while <condition> loop1 H+ w. p( Q( S0 h* \
<statement sequence1>;
# T$ M; ~9 U. k2 t% J end;/ z6 S4 R3 \* |- m1 x) I% L$ S9 J0 v# |
(3) repeat . W/ n3 B; e7 |/ Y7 l
<statement sequence1>;
* l: c. E. n$ S2 W& @0 V& e until <condition>;, U/ V1 t5 G' w; c8 _
(4) for <condition> to <condition> loop2 d' O" Z% S s Y# m' _$ s2 y
<statement sequence1>;/ p8 S9 f0 W U7 k7 I4 |* y5 }
next;/ m) \5 w- {" P6 J* r( o6 ^5 \
3中断语句# g' _: P5 Y7 n$ B
waituntil <condition> prio <integer expression>;( Y, {9 s- m: f3 I2 m( Y
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" N; X% \# _, j" |" U/ ~) A" R以上为常用的函数！
: B# C% G1 a' @9 C还有很多，如有需要我把资料发到你邮箱里
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