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发表于 2012-11-13 08:48:12
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1判断语句9 E* v1 k1 p5 \$ X* i& m+ G. t( k
if <condition> then9 |3 `8 M" f+ @- X3 I6 u
<statement sequence1>;9 R* w4 @9 Y; Z
elseif <condition> then& d% a' U6 I/ G8 J7 {" b* q
<statement sequence2>;
H. ]! E) ?# P) V' S; @ else ! F/ p% y7 n2 a; ^5 |& } m. Z
<statement sequence3>;/ u+ O7 ~+ E6 x- \# Q* O
end;; O+ |, E: T3 D! {3 h
如果分支比较多，用：" C% t1 @6 ~3 ` j
inspect <expression>$ ?3 R1 @& s3 @2 y& M' S0 s7 j
when <constant_list> then
1 d8 h) `8 ~4 F# u9 [& o" C <statement sequence1>;
; i2 ^; S1 Y; g- q2 R( Y when <constant_list> then
- s6 j3 I# b: B, { <statement sequence2>;
$ M f, ]! M6 r5 E& e( R J ...
4 ]& O) h0 a& M. X1 B) a, m! R else
) j) \0 q$ h0 T/ L' y$ q, G <statement sequence3>;
@$ d7 h. n1 e/ P8 kend;
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2循环语句7 W4 `9 F( Q1 ~; B! u. o' h! h$ I, Z5 d, Y
(1) from <statement sequence1>
0 G0 L& R! J- \4 X: G7 @, u3 Z until <condition> loop5 f0 O( a2 D. s E6 I) C
<statement sequence2>;" F7 K+ [- k3 R- m
end;
6 G, F0 h' I3 y# Y( {$ s: l (2) while <condition> loop/ _* B9 [! S0 O9 r& _& {% a/ G( A
<statement sequence1>;0 z0 z# A# H' B& j) X9 z9 U& F
end;- }1 l1 O. e* ~, O x' e+ }% ~
(3) repeat # ]2 l' \! B" |0 n G- E
<statement sequence1>;
: T& e, w' B4 F. G- E' j$ e2 C until <condition>;
" f2 |% P6 _$ f0 ?; i5 V (4) for <condition> to <condition> loop! i* N1 B9 f9 l9 t( m8 G9 u: E
<statement sequence1>;( I) Y+ e* r$ ^7 h9 A# I& `+ d+ o
next;
' f+ g- ~2 d, G0 _' o/ Z" a, T3中断语句& M0 i6 f' h, g$ p
waituntil <condition> prio <integer expression>;
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- b4 s7 p) n. v C: {; z9 j以上为常用的函数！
% H/ G: D' |2 _- T- z3 j4 D还有很多，如有需要我把资料发到你邮箱里
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