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发表于 2012-11-13 08:48:12
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1判断语句
, K1 g/ Q1 I7 N# j. t if <condition> then. {( J% g- M7 }3 g9 S; H. T+ X
<statement sequence1>;8 v5 o$ z I+ Y; F& @
elseif <condition> then9 W# c, t: p1 m3 Q
<statement sequence2>;7 a6 n. c0 o# y- D6 [
else
: L, t( ^6 _, A/ |% P <statement sequence3>;1 q' O" I/ j& n( _, U# v
end;
* w' ]4 {; `7 |5 R2 o% F如果分支比较多，用：) F- i; A2 B7 @6 \6 P
inspect <expression>* V i2 e! g9 o
when <constant_list> then
3 v* K8 L# G* V) {7 r2 u1 ] <statement sequence1>;2 ~; f* O* V/ s! Y
when <constant_list> then
5 w" P4 z! S, \: z0 n <statement sequence2>;0 `+ ~$ ] l. Z
...
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6 \$ ^& o! N' g- z6 [ <statement sequence3>;( e: j. P7 B# K4 R7 d( V% q
end;
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, v" l, A% ? h# s0 v5 F, f: I2循环语句
- F) |& D1 D* N0 E2 [ X2 b1 W" l (1) from <statement sequence1>
4 {3 U; ^+ f* K" _ { until <condition> loop
" \% A* x$ n. ~( Q' ~1 }% y& B <statement sequence2>;
1 {; D/ Z% b9 v2 M# j end;1 |* C# _1 s! _7 c# m- O
(2) while <condition> loop3 Y5 `4 y7 j6 @5 E! u0 ~
<statement sequence1>;
& E/ j/ e& v- X: E' L end;
. d8 L1 T" h/ s W1 T# j( i (3) repeat
" g# I2 H( k" S( l5 j9 }. H <statement sequence1>;
4 F: U( _4 n4 i" o! f- G until <condition>;
, {# i; I$ h t (4) for <condition> to <condition> loop; P6 S, g' q- W, ?9 i- p
<statement sequence1>;3 k/ h: n( s k! X# P- T- U
next;& ?+ F6 t) Q1 O* l
3中断语句+ e w; h' _* R& n. q
waituntil <condition> prio <integer expression>;
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0 W9 M" j; W1 g2 Z' {* P9 L以上为常用的函数！
7 y: D( d! [( W2 s还有很多，如有需要我把资料发到你邮箱里
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