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发表于 2012-11-13 08:48:12
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1判断语句
# P/ |0 m# G) b& t2 `& H9 R% ` if <condition> then
9 S8 J# y: R( x4 l* E- d0 U <statement sequence1>;
6 a& Z. K) y1 f elseif <condition> then
* }% \* P& K7 | A8 a [; y& ? <statement sequence2>;
. L; b3 H% x* | else 3 z2 a, W3 r' Z
<statement sequence3>;4 x( d: j0 Z7 y8 }2 y. [4 C; c
end;
1 A# N5 V$ x3 c3 i% P如果分支比较多，用：/ S) v0 {# Q/ s. ]% E
inspect <expression>" x; G, t* }+ W" w+ A
when <constant_list> then- R0 V: T! c5 U! L
<statement sequence1>;, C2 C0 h8 P: h& D: S
when <constant_list> then& }( Y! ^, K$ z( L3 R
<statement sequence2>;
) P! Q, Z" s8 L) |) t1 z" O ...
/ i4 s5 _5 ^6 p8 c1 |2 J else
5 R0 ~" d* @8 [( }& k <statement sequence3>;
( b8 K. u! n. bend;% ], O+ ^9 |5 i6 E+ K% K: |
) ]" m" p# u3 ]' d- b
2循环语句1 e! }0 r& C9 W
(1) from <statement sequence1>
5 Z9 [' n- Q% p4 T: c until <condition> loop
, _+ ?8 e% A* I; a <statement sequence2>;
+ q5 H" ?- z/ C* R/ y5 \ end;1 I6 \, B) i: Y. Y1 E1 G4 r# B
(2) while <condition> loop
9 C% Z# n* Z% b4 `" T <statement sequence1>;- {' l& K) P$ @! B& y! O
end;
8 |2 U7 Z& c9 v6 y (3) repeat
. |+ n+ e3 `( t* {3 a <statement sequence1>;
( s! H+ X5 P9 X, u+ z( W# S until <condition>;
6 R( \" M) O" B0 X) F" U. j+ S (4) for <condition> to <condition> loop
$ B0 A6 s, v/ X, _( g4 T' r3 M <statement sequence1>;
/ y: k0 @& B% v1 {3 f4 F; G' G8 h+ _ next;
! |4 L4 T- o# l3中断语句
9 \$ t O, H6 |2 ^# u waituntil <condition> prio <integer expression>;
$ k0 G9 w/ \9 y+ ?/ L6 E( @. l) e4 M! f, ?9 F4 r' l
9 {8 P% b& U* R0 f; Q) {% S4 J( A0 F以上为常用的函数！
7 X# K! m, U8 k( K" O3 v$ J还有很多，如有需要我把资料发到你邮箱里 ) j% |4 { Z4 R9 ]7 C) U+ C! k
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8 @3 x) T, R2 R3 o9 G! y8 v
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+ T' k- P @3 @) p2 ?
( ]8 \0 E; z# C/ I
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