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发表于 2012-11-13 08:48:12
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1判断语句4 R- Y4 U9 P( p
if <condition> then- C! _6 e3 F: g h1 Z! ^
<statement sequence1>;
# |: n, D6 s3 A% ` elseif <condition> then
$ m- U8 ~1 K. w: Z <statement sequence2>;& l5 X( q2 \; f0 B
else ( v; ^' ^* Q( M$ C) R& E
<statement sequence3>;! ?. w, D5 S; E, u; @9 \
end;
& v! v1 I2 K: B' [% z, p6 u如果分支比较多，用：) q) ]* Q5 R- S
inspect <expression>
; K& o; _) L* z/ \ when <constant_list> then
0 Y+ \& E) J; _6 L8 u$ A: { <statement sequence1>;
6 `& Q4 [+ s3 I; W when <constant_list> then
, G- {& r2 D- d, R2 p <statement sequence2>;# D6 ^4 I. R# c" s# o
...
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<statement sequence3>;2 E6 I3 e- {* `+ r& ? U) C. v# u$ {
end;
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2循环语句
5 x: U* R) _( Z! c2 N (1) from <statement sequence1>5 o* f2 N+ g" _" k
until <condition> loop
% N0 w) E: T5 X1 U' f <statement sequence2>;
3 g- ^' w: x: | q) B# P end;
4 h6 M9 o- C0 ]8 Z6 O (2) while <condition> loop: {) R. ?+ m& z" ^: N* ?
<statement sequence1>;* N9 e/ q# d; _7 v; d2 |! A
end;
1 L) M. k. `6 r* N S (3) repeat
: h" J4 t/ ?) F5 C' ^/ Z( l <statement sequence1>;) R9 R, g0 d! q3 n
until <condition>;. n! F" d$ _4 f; @
(4) for <condition> to <condition> loop
" E& L* \+ l# { <statement sequence1>;
# f' s3 T# k! h+ p next;
* w& i2 ]2 {) a6 o/ {3中断语句% y5 ]9 h& m- g5 h1 J. T
waituntil <condition> prio <integer expression>;
y) E! c+ T0 Q% D4 h* x7 \, }4 S+ b: j' K: P9 n, ?/ a3 U
$ U9 @# O3 T4 ?. ]9 ^! l$ Q( k' u以上为常用的函数！- h0 K% F; v( @
还有很多，如有需要我把资料发到你邮箱里
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