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发表于 2012-11-13 08:48:12
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1判断语句* j n7 ? H, w6 K
if <condition> then5 l+ D6 h, g% x7 }1 s
<statement sequence1>;
7 N' |, `2 ^ X, n8 m5 \ elseif <condition> then
t1 F: \. s4 ^, k" x <statement sequence2>;) r8 ~, k; X5 G9 x. v% p
else 5 E8 V6 J% _: M6 n- K/ z% k
<statement sequence3>;* F8 l& q5 }5 R5 b t: D5 f$ c
end;& a( W' {; g( w
如果分支比较多，用：" q( {1 `: q8 I. Z! X: x+ }
inspect <expression>
) T$ |4 f$ A- N7 U when <constant_list> then
1 z# H& n! Z( w' `6 \- {8 m- M <statement sequence1>;) {' V/ F4 A2 Z% j# Y
when <constant_list> then8 W, X9 ?* N' B5 s1 _6 }$ Z8 ]6 \
<statement sequence2>;7 E3 N% k) V3 `" M8 @7 ~( L& k" {
...# a& \$ x: g/ ^: M/ e
else. a0 }/ D; ]# k
<statement sequence3>;
3 F6 e4 p+ c+ O6 Z R* J. Uend;& j/ a/ Z' i' C- R j; A
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2循环语句
; F) _+ D. }1 _1 U1 } (1) from <statement sequence1>
. x: k. r% J0 o" T2 Q until <condition> loop
9 _/ G8 K- A1 x <statement sequence2>;
# i' G( p* Z9 h4 Z" D6 f end;
7 e. e0 i3 L% d- Q4 W+ N4 l" \ (2) while <condition> loop
% P- c! b, J0 j <statement sequence1>;- o" h' C2 B7 c. u
end;" ^" o* {) H6 Y3 f& Y8 l* R
(3) repeat
4 f+ _ ^ }1 M2 X# j# \: ~3 j <statement sequence1>;
0 U& L% K6 U& S( g until <condition>;. y: r; `- r: J: V
(4) for <condition> to <condition> loop
' e3 w& Z% |; b8 O8 P <statement sequence1>;8 Y- v5 \1 U; a4 k' i6 y
next;7 E3 S+ t# h- m3 i
3中断语句& Z& h6 A2 j9 `3 c& u2 ]! ~- ~ U3 _
waituntil <condition> prio <integer expression>;; q+ E, o3 Q$ {( ]+ a+ l
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4 s1 d0 `3 l2 a& ^( X9 E以上为常用的函数！
2 y7 S6 B; k- h) h) W& i% K* L还有很多，如有需要我把资料发到你邮箱里 % b+ `% n+ X, \, w# d( d% f# P
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