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发表于 2012-11-13 08:48:12
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1判断语句9 W' h( p D) h8 c
if <condition> then
7 {* L u' S- a <statement sequence1>;) w$ Z$ M# E$ _
elseif <condition> then
; z' M" z( R: `/ ?3 C! z. v <statement sequence2>;
& P% @" {9 C+ {# K7 v else
( u: q' M4 p5 \1 _9 _ <statement sequence3>;
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如果分支比较多，用： v1 N' |. O2 D# s6 `2 r3 i Z
inspect <expression>! I% Q6 ? s& L8 Z$ u
when <constant_list> then7 r3 Q! D# i2 m& Q* F2 }! S
<statement sequence1>;
( @5 a0 G: g$ [, \. a( Q( m when <constant_list> then) Y2 q$ O$ c& m7 ]0 `4 d
<statement sequence2>;0 @/ {4 r( `7 Y
...( |* w1 r6 h2 X$ k, m
else- Y9 t, V$ Z$ u$ Y
<statement sequence3>;0 t0 X" O6 |5 Y# @$ }5 S
end;
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2循环语句, t: `) ]9 u1 X( k3 v: C( M/ E
(1) from <statement sequence1>
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<statement sequence2>;3 ?) h& S$ }7 H0 S8 L8 E2 R
end;
9 |+ k3 [' M1 [8 m" m (2) while <condition> loop
5 `2 x+ a0 w+ c0 c, h <statement sequence1>;
* N: {0 v( Z8 J. B& R, `* f8 i5 v6 u0 o end;$ m, Z! @( I% O3 H8 A
(3) repeat 1 m8 U) t6 E6 \+ `9 h
<statement sequence1>;
% [3 o+ o' D* O" i until <condition>;9 p) W! D; ~1 M
(4) for <condition> to <condition> loop
9 ^3 a: ~% L3 n8 c; r; y8 V <statement sequence1>;
! v" M7 ~) _8 x% s$ K0 r3 j; c$ P next;
/ t% L: e3 F1 T( `1 I4 u3中断语句/ K) S3 G$ ~ [2 [. Z& P" s
waituntil <condition> prio <integer expression>;
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以上为常用的函数！0 d+ n6 W* j, C+ t2 c
还有很多，如有需要我把资料发到你邮箱里
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