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发表于 2012-11-13 08:48:12
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1判断语句, ^" m/ J0 R* y2 i% F
if <condition> then
9 q9 |) N$ G5 o8 s <statement sequence1>;) L# i9 b% I4 z4 W$ t1 l- F$ B- F
elseif <condition> then
( o/ S+ t9 i# {; q <statement sequence2>;
8 H; R: L9 k8 C1 T else
% d' B. q8 G: {# G! N <statement sequence3>;
0 b" P' m4 k( Y end;
3 o5 X6 E0 P7 X+ C m+ l2 w如果分支比较多，用：
3 Y* p/ d! i% @3 I8 C7 E inspect <expression>
U" x6 a- r a/ m, J when <constant_list> then
) U6 O) y6 X' z, i/ V' p' {* Y <statement sequence1>;% f* j3 h/ ^4 a( G9 k/ N% g
when <constant_list> then
s5 O; k: \6 [, L; e' Q3 L& b <statement sequence2>;
0 V, }/ R2 D' v6 B ...7 ^( u9 z# ^6 N2 }( s1 J
else7 Y- G" M3 p, E. ?; j
<statement sequence3>;
! ?9 v% C. a+ u! t" Lend;
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2 h) e. D! E) w) E2 d% N2循环语句& T% b2 U0 j. v: D) }/ J
(1) from <statement sequence1>
# }. u- {3 n8 v2 ~" J& B) w2 x" m until <condition> loop* l g: V! a) ], T8 o: H# U, l9 M! W6 G6 Z
<statement sequence2>;- U: F G2 w0 K$ p3 i* D; B3 ?
end;* p. w5 z8 A% w# M# S, c
(2) while <condition> loop7 }# F. ?9 K. P9 ]4 y) P: m4 D: r
<statement sequence1>;4 G( d' Z+ i) f0 T) d
end;( s% B8 U9 b3 K8 Q3 |8 B
(3) repeat
8 @. @* {& d" ] |) } <statement sequence1>;
: `/ p" j4 I4 s+ E+ a: j# T until <condition>;/ f5 l7 V1 u" p, z1 G7 i. l" X
(4) for <condition> to <condition> loop
) Q0 K3 `% R* s <statement sequence1>;
' h3 ]4 s2 y+ C9 ~: @# K7 ] next;. V1 @/ \! e0 u+ b
3中断语句
: F6 t1 ~/ _/ q; a0 F) ~: q waituntil <condition> prio <integer expression>;
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# K3 l h; R) e) Z1 ~2 J: k M2 \* f
以上为常用的函数！$ z: y0 w* ]) s
还有很多，如有需要我把资料发到你邮箱里
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