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发表于 2012-11-13 08:48:12
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1判断语句( G) h$ b- I7 [' h K; ~4 j3 P
if <condition> then$ J% R1 k$ O5 {& R! u; O4 l
<statement sequence1>;
3 z4 y. J8 _, @. ^& D& [ elseif <condition> then
- \' I( z% y9 b5 p7 H) {4 [7 B <statement sequence2>;% E3 A" O7 Z& n' p* V) I9 ~( c# g
else
5 l3 S8 o3 |- P) L+ d0 p <statement sequence3>;5 C, O3 P- F0 u9 P6 r
end;
. i+ {7 n2 ~7 ?; I& Q如果分支比较多，用：. S4 R" }7 s! ?# N* |5 o9 o8 l% n
inspect <expression>7 u) a! a1 O, X9 A" h! y
when <constant_list> then
3 S2 A- f2 Z t7 c6 `# h <statement sequence1>;, `+ ]" r# R: c7 T& N0 b: S
when <constant_list> then* H5 z. K2 Z/ k4 M$ r5 m0 j
<statement sequence2>;5 F' o$ a" F! l! ]% h8 y- A
...7 L# O+ ?' z5 g4 m% B
else% [. c# F; G5 h
<statement sequence3>;
+ A- [! |2 k. c" s2 C0 C7 s* hend;
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2循环语句- \' P0 S3 A! c+ T( ?$ E2 T7 [
(1) from <statement sequence1>
0 j+ }% H3 k( \$ y' L, j until <condition> loop. ]" }0 s! j; @3 C
<statement sequence2>;
, R. m" R) j! s' w end;) o3 Y6 A$ l0 O2 p/ ?$ @+ z* Y3 ^
(2) while <condition> loop
4 G7 g/ \ }, K+ s5 d N: t <statement sequence1>;1 x! @' Z: I+ _3 ]: g
end;
3 a2 e; P4 K; ^: P) O+ e" y (3) repeat 4 B2 v0 V- c6 u5 W& Z
<statement sequence1>;
& Y( L0 p8 A4 P0 [! r until <condition>;! A% l; } ?" C
(4) for <condition> to <condition> loop7 D _4 n5 {2 P, f" K- U3 i
<statement sequence1>;% m+ K+ J2 `# J& s! g
next;7 L5 n5 A9 A6 g A9 ~
3中断语句
9 D2 r/ |9 Q$ E$ r waituntil <condition> prio <integer expression>;& m7 {7 g9 l6 m- c
* H2 O- a- ] r$ n2 p
% `) \, r7 p9 d: B) f- S以上为常用的函数！" n5 B# f3 A) {$ ?! _8 X7 d$ O! V
还有很多，如有需要我把资料发到你邮箱里
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