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发表于 2012-11-13 08:48:12
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1判断语句, R. Y9 C+ s* h3 M7 c
if <condition> then
+ [* M& l" _" k& Y8 H% s7 M' F <statement sequence1>;9 A1 e2 j" a' @( ?; S1 \9 ?5 T# {
elseif <condition> then) e s. ^1 j! K1 H
<statement sequence2>;. X0 e3 A9 h Z
else
, j$ D* P9 b x% t( s <statement sequence3>;5 q4 a. N4 j5 i4 y
end;
8 K: }3 e# D* c( V- \! I( L: `如果分支比较多，用：
% Q+ C) h$ D# R1 w7 o7 k, E& j inspect <expression>* b8 D! A8 s7 w& J% P6 H2 Z+ P
when <constant_list> then
2 ~( i: z" ^4 C <statement sequence1>;
5 f! W" _# w' s* g9 ] when <constant_list> then- t7 h* o" t! u
<statement sequence2>;
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else
- r- b) r6 F9 A <statement sequence3>;
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6 Y# p+ B5 l. V/ D7 A; H! {9 w2循环语句8 ~: H' W7 I3 \
(1) from <statement sequence1>
3 t9 K3 B8 x) @. D1 e6 l until <condition> loop
! [/ Z. }- W4 n <statement sequence2>;& q7 h5 D2 @) U) f/ ~* z
end;5 X2 x4 m8 h( {6 `3 Z. w( G% Y
(2) while <condition> loop ]& P# ]/ E% S; i/ x
<statement sequence1>;6 D! t; p6 C$ o% H2 Q q, A# g0 c
end;
; A6 \3 A' E3 n* c (3) repeat
. m4 s4 v% |* A+ u9 J; s <statement sequence1>;
6 U6 z4 L. q0 _1 A until <condition>;8 E9 R- V, S$ E0 P1 f" D
(4) for <condition> to <condition> loop
) c4 U( w! J. \1 p7 P! B <statement sequence1>;5 p, u3 V) q' N
next;! j+ N0 m+ b( h4 s1 A- P
3中断语句
7 I$ q% r& \( r5 }" J2 z$ | waituntil <condition> prio <integer expression>;
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以上为常用的函数！
7 i7 U1 `" k6 o, Q还有很多，如有需要我把资料发到你邮箱里
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