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发表于 2012-11-13 08:48:12
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1判断语句: n: ~3 J9 N. }' f) ?5 ^
if <condition> then, }/ T* D0 w, ~4 E( E
<statement sequence1>;
, k; P: E5 Q( Z elseif <condition> then9 y' u$ K7 H% o, J" N2 Y- D+ \
<statement sequence2>;9 n& m4 L* ^! D' M" e! I
else
. d# ` q- W5 V5 r0 m! U# a <statement sequence3>;9 ~7 X4 s6 j9 e9 Q0 @/ P4 h c! e
end;
% {, I* V0 {7 s. { P如果分支比较多，用：
z3 @! V1 j1 ^; M8 b; X inspect <expression>
) o* o1 z, a' d2 p' E v when <constant_list> then. c8 y! G5 P3 l4 U8 W
<statement sequence1>;5 o7 j* \: ^ Q, B
when <constant_list> then
6 L, K& r$ c- I8 e <statement sequence2>;/ H1 e: |+ |$ D C% A! a8 {6 z% T
...5 t; `% o, b* J8 N. r; J
else
# [/ }% a: F5 g. T {5 O& V <statement sequence3>;
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2循环语句
% r! H$ H+ [3 m- |1 { (1) from <statement sequence1>+ ]) `4 z; l( s+ q0 L5 X1 e
until <condition> loop j. C# w H1 T7 C/ b* U( {6 s
<statement sequence2>;* s3 v. O% x. ^6 r
end;
: J$ l6 t6 c& {" T8 s9 q (2) while <condition> loop
9 h0 _! O: f6 z: z <statement sequence1>;, L0 {: W8 K, D6 I3 w7 m
end;
" i' ~$ m1 }# l$ e! G (3) repeat 8 x" ?2 b7 `/ l! y) I" N( b7 z
<statement sequence1>;
7 [) B' P8 }6 r until <condition>;6 g" Q, }3 w9 z8 c' N: X
(4) for <condition> to <condition> loop% K+ o/ @5 |) d
<statement sequence1>;% h: T: k8 m( H. ]" h' b/ |1 H @
next;
* C) `! d1 A2 L$ u: ^3中断语句
# W7 x. F1 ?( P' H0 N0 t1 d7 z waituntil <condition> prio <integer expression>;1 I, F+ s2 b% x! O8 Z* ]5 q
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, t4 Q- R$ h4 i+ y( ?
以上为常用的函数！
- ?7 n- |+ m" i) s9 S1 D& s还有很多，如有需要我把资料发到你邮箱里
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