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发表于 2012-11-13 08:48:12
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1判断语句
4 C( Q/ [7 I4 @' c2 W" F" [ if <condition> then
2 F4 }% F) L4 j- ^; L" s _4 N; B, r <statement sequence1>;9 b* n% f% C; |6 n2 D& U+ |
elseif <condition> then. v, ]2 q( o0 n% ]8 R6 u1 `1 P
<statement sequence2>;6 W1 p% l( K$ ] C) }( _
else % s; c0 r: A, O$ p
<statement sequence3>;
8 y& R: r9 i! ]* S% w m V end;
8 K: \9 P; V6 X) k7 u" p如果分支比较多，用：
' Z4 Z7 J9 L+ U inspect <expression>
/ P! ]/ B1 A5 P when <constant_list> then/ E0 O, c+ J% r8 W4 w C5 z
<statement sequence1>;
4 d! i- i. D7 ], M when <constant_list> then
% c0 k: H6 r1 D <statement sequence2>;6 y* ~0 g" p/ R
...& j# v$ n3 d" `/ ^5 J% G
else
0 W5 m3 t. i; i" w! Z <statement sequence3>;
- E5 e1 P0 t7 z4 P& S1 p0 bend;- @7 O9 f+ X: d/ Q4 s* u: V
/ T# b5 Q0 g. I3 f2 _3 b+ l% \2循环语句
0 c* `2 `. _- z5 r+ S9 [ (1) from <statement sequence1>
R! M1 l' ]$ U% P: D* Q. @) b until <condition> loop3 ]6 o! q! s' K2 u2 a
<statement sequence2>;
8 P* E0 u" \& e1 V- f end;
( N) T m/ M) W. k, f (2) while <condition> loop! M5 F0 d1 h, d# w
<statement sequence1>;
0 Q7 W; r1 l% F end;
% U4 J9 k8 g) x1 F' t! c& m (3) repeat
8 {9 Z6 Z9 o: C <statement sequence1>;
& h d+ B4 T$ a u# L* c until <condition>;
" @& \$ v& `8 O4 U3 {0 Q( O (4) for <condition> to <condition> loop& X- G3 B) }* r- ?+ U, R
<statement sequence1>;
. W3 m8 z8 U1 \4 P0 B, U* s9 K next;
7 e6 s9 ^9 \/ @1 U% Z. m) s0 Q3中断语句( o- M- f1 N7 B% Q
waituntil <condition> prio <integer expression>;
6 ?" f6 o+ \- g/ i( ~1 @& e' Z/ } |2 K% t, P5 B B& j5 T K2 B
. O' j& {4 j# e( ~& c- A# ?4 L r以上为常用的函数！" u/ B, r" ~/ c+ s1 {1 b; o
还有很多，如有需要我把资料发到你邮箱里 ) v7 s* Z- @) e
" H" i1 V- Q& g3 F# `- o: P. y! J! ]' z- n; J
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