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发表于 2012-11-13 08:48:12
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1判断语句
9 T, K0 C0 T4 a- }' C0 R if <condition> then
7 D! d4 ^! O0 g <statement sequence1>;* z- w% M# E; i9 s* e; [/ e
elseif <condition> then
, P4 N( C$ Y# q' Z4 N4 v# D2 Y3 R <statement sequence2>;
7 z( ]) E% S+ u1 A! q else 9 Y( E, j$ w# D
<statement sequence3>;
8 x; ^, X. t; G8 f' z% T7 Q. k end;5 h% a: G+ y2 ^7 u# D4 y) d# d
如果分支比较多，用：( l1 g/ { U0 H: b# h
inspect <expression> f# T) n; ^+ E& N
when <constant_list> then- [- [, ~1 m0 K6 K: }+ l- J
<statement sequence1>;8 L; x: V6 N4 N+ _7 P" L
when <constant_list> then% i) ~: b8 B9 V, }% \
<statement sequence2>;
9 l( F9 L0 z! F8 b8 ?, D) F ...
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<statement sequence3>;
. y1 A1 ^5 p# `2 Aend;
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( ]' O5 \6 i# r# ]0 {2循环语句" F/ H3 a+ P5 ^0 w
(1) from <statement sequence1>! U8 C; h# i- u W4 o: R8 }
until <condition> loop
) V3 j+ O/ K4 _1 y/ i: C <statement sequence2>;% d6 u! R+ i" P) ~% u
end;8 s) b7 P0 V7 u; W
(2) while <condition> loop$ T! M7 `2 q$ Q* `$ x' s
<statement sequence1>;
3 V* r" g; C1 K3 w+ ]" X6 M end;
5 k# O; D) s" k+ j9 a9 [' | (3) repeat & e& `7 k3 B- G" Z
<statement sequence1>;5 b* u# x* ~* x
until <condition>;5 C% k2 W( m T" O8 _
(4) for <condition> to <condition> loop" Y0 e. r Y8 p( V- j5 k1 `2 T
<statement sequence1>;
, i1 P& V8 G1 Q9 G8 }/ D4 ~ next;9 [! @" H. e% E$ v1 e; J
3中断语句( t, m8 @8 V. k8 G) c$ \
waituntil <condition> prio <integer expression>;1 W/ c$ Q' O% Z4 s$ ]
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, Y* i1 Y$ b- |9 T以上为常用的函数！( A2 B8 U7 N* o
还有很多，如有需要我把资料发到你邮箱里
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