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发表于 2012-11-13 08:48:12
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1判断语句
* D: y- }: u e- [, y* y& D# W if <condition> then
0 A S9 A$ d3 v <statement sequence1>;4 l6 C- f6 V' ?$ E0 k' N; _- ]
elseif <condition> then( L1 l. V* q$ {0 p" N4 Q, T
<statement sequence2>;, C% [+ Y' ]# A9 ^2 a* I
else 6 \. @- f7 r" C2 S4 a, l. z( f" M
<statement sequence3>;: I8 U/ ^$ D" p( _/ q! A- o
end;& v d1 W% p) a4 w$ ?. \/ Q
如果分支比较多，用：3 A: M0 b, |$ b3 ?% W9 R3 D
inspect <expression>
) |9 N$ m b7 _2 c" Q. w- a+ k when <constant_list> then0 s7 S/ K* ?) [1 ?; y
<statement sequence1>;
. Y) L" ~/ x/ n, M$ k0 D1 G when <constant_list> then
" d8 O v) t4 f" [) I; Z <statement sequence2>;6 c; n* b7 u% I) t3 u
...+ y- ? g! \5 ?
else! C9 a* D/ o& L
<statement sequence3>;
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2循环语句
4 x' Y( `! Y+ g: h8 w0 J; C (1) from <statement sequence1>. f6 r8 E1 s ]9 Q( O5 H( q
until <condition> loop
. s) H4 M" f1 K. ?1 t4 o <statement sequence2>;$ k" P5 \$ f' Y. d/ C! T
end;) ?6 z4 m8 _! t G7 ~, }& l
(2) while <condition> loop. C% j: }/ c& P: s
<statement sequence1>;; w" B+ z# m1 j/ j
end;
1 @9 y m# X9 O (3) repeat 1 n5 A& c/ h5 D/ b
<statement sequence1>;
- A0 M" l4 m: V3 p until <condition>;7 O+ W5 v0 ]! W0 n' _% S3 d
(4) for <condition> to <condition> loop
4 L8 s: g. _6 g/ g <statement sequence1>;
3 A' ^7 e# @2 Z% `' _9 V next;
" ~" A4 D1 Y* f9 q1 E3中断语句
5 }: \8 i9 M& j waituntil <condition> prio <integer expression>;. D& e7 ]" ]- y9 ^4 d+ b" W2 H# q
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以上为常用的函数！
/ [1 _. l8 w* z还有很多，如有需要我把资料发到你邮箱里 7 I2 X1 x, v* Z1 u. h6 _5 c3 O. b
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