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发表于 2012-11-13 08:48:12
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1判断语句( q0 {) A9 [1 I4 {1 G
if <condition> then
* H2 f1 V4 d% c: `9 n <statement sequence1>;
+ z- M7 r* h F, g' W+ v) S, }9 [ elseif <condition> then
0 _; P u+ }1 @0 _ <statement sequence2>;
( E! i! B! ?6 m* j else
4 n, N: l- v: }) p <statement sequence3>;
4 i; j$ U. l0 c1 s k end;
% V: w, }% s* H" o& X6 Y( }; {% E如果分支比较多，用：
0 y# S9 M$ R- m4 X7 a6 N inspect <expression>$ J9 |0 n, S; E4 L+ Z: i- B8 C
when <constant_list> then# Z2 ^/ R' L! I; w' B
<statement sequence1>;
6 w! f$ M2 D3 H9 j2 }: ~* {4 n when <constant_list> then+ f: L5 _ b& j+ B- {
<statement sequence2>;
+ P: `; T. ^, ]) U" n _ ...3 {# H8 v. l. ?
else
3 {; s% g k+ A2 b5 S <statement sequence3>;
7 K6 S0 a* E8 z! c" ~5 }" ?. ^3 fend;
4 ]( L5 j* X& e# ~+ ^
@- n. A0 W- p& X3 U o& |2循环语句5 l8 o& [% V$ ] C- t/ x) E. x
(1) from <statement sequence1>
3 u+ t" G, f/ o7 k2 s until <condition> loop- m* E5 E3 k& h: w+ ]
<statement sequence2>;
8 w2 p* Z6 H2 J end;
$ t! B% N x$ e" Y5 f1 D# Q (2) while <condition> loop" ~. n6 U" P+ F1 u
<statement sequence1>;
8 ~. a$ {) T) E* ^ end;
. s1 L- y- Z- I' W1 T1 s* u- b (3) repeat
2 d' w. [! q0 \, i8 L: [0 ]/ i <statement sequence1>;
, Q* @7 Y$ `7 g* U' B until <condition>;
- ?+ b3 V. D/ U! V (4) for <condition> to <condition> loop
! h \ v7 Q0 T$ l S0 D <statement sequence1>;" o' e+ W( |0 v) ^
next;& t2 V$ }2 S; }" C. \: t# d! _
3中断语句
# ^( e* u5 t1 U' K9 r: ~# z waituntil <condition> prio <integer expression>;7 x& O; i+ n. Z& X& R) B# i
% ]" M. U9 }2 a ]* n
2 c/ {( F& L3 i
以上为常用的函数！: ]3 r$ y# n% w* n8 Q+ g! K
还有很多，如有需要我把资料发到你邮箱里 $ h- e* y' c% ]
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