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发表于 2012-11-13 08:48:12
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1判断语句
$ b' R1 B, D0 L" |5 D7 w if <condition> then
& L3 v8 K, n& t <statement sequence1>;
9 d( X, {4 \0 Z9 a6 |& k" Y# D; T elseif <condition> then
/ g1 @0 ^9 k P+ B- { <statement sequence2>;
7 m' |2 B" b: Z. c( ~- b else
) Z9 C8 z9 C* w1 U& \0 u' c <statement sequence3>;: x, S0 _0 a7 b# ?, ~& [
end;
! c* c& O7 H6 G如果分支比较多，用：
R$ O& @* b' G( q inspect <expression>
L. M) L: I# \/ f when <constant_list> then
* X/ @, }1 N- ~( r# `& A <statement sequence1>;& i: S0 e9 P, w% v
when <constant_list> then
8 z d" K0 e8 Z, E <statement sequence2>;
1 o/ X" F- Q B# \! i* b$ k% u ...
' o9 n- i" e D+ u% a) _# Z5 Q- G else
: N' D' ], O/ G" C. j <statement sequence3>;$ ]! O& p! k2 f& M9 U
end;
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: o" f6 f9 j% U5 l) V0 P% z+ d2循环语句9 E# H. q, K Z
(1) from <statement sequence1>( L4 N+ \6 R( t& x. s) x6 Z
until <condition> loop. |( N$ [( I6 ?, F/ r" Q# y
<statement sequence2>;' e+ n8 |' ~7 Y% q% H# q
end;+ i( Z# G# W" O
(2) while <condition> loop; q9 [3 X7 r8 F# h6 `' K2 ^; a5 ?
<statement sequence1>;! i! N. a0 y2 w# j) g
end;4 e3 i+ P7 x" C* W
(3) repeat + f) M, c4 A, }4 j0 ]: M! c
<statement sequence1>;: k6 N8 |6 d. x; i, r7 Z, y0 a
until <condition>;
5 Z0 Q: l& f; U6 Z, n0 s8 h( e7 { (4) for <condition> to <condition> loop
D/ m0 ?1 L1 }; z* f( G a) j <statement sequence1>;
# U4 n" a9 d7 {- Z$ ?0 ~' @ next;
: R- G( U6 Z; S& b0 s3中断语句
; u( x; S3 m7 j/ x P& i6 c0 O waituntil <condition> prio <integer expression>;
# u+ z7 N2 l( ~0 `4 r, j' j" J6 Y, b# [4 ~* k. n2 m
# @' Q4 N) s/ {/ {以上为常用的函数！, w' L% @# b2 Q# I
还有很多，如有需要我把资料发到你邮箱里
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