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发表于 2012-11-13 08:48:12
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1判断语句3 Z$ d( N6 x- v$ ^
if <condition> then$ f5 J/ t9 R6 a q
<statement sequence1>;3 u% ?) h* |& e
elseif <condition> then
5 Y e5 [% J+ k <statement sequence2>;8 U% L1 @/ W- o) I; Q! [4 W$ ?
else ' Y. v) w1 w6 c* ], ^
<statement sequence3>;
5 A( N3 s! Z8 c end;
& \5 R# r, ]; L7 ~4 B; F; A8 x* `" T9 W如果分支比较多，用：
2 K0 v/ x% U. ?/ I3 V4 D* |4 D2 R: r O" d inspect <expression>
8 Y1 ?, ]/ ^; R when <constant_list> then
3 |4 i$ p4 C; l( m b <statement sequence1>;
% D; t+ f: R7 V: k5 R u when <constant_list> then# f5 U$ A$ j" {2 s
<statement sequence2>;
) C& r( K7 B' g( q0 ?! i ...
" L; q0 [# {+ ^+ W6 V1 _/ Y9 r else: q( C; M$ V L# E
<statement sequence3>;
1 u" J$ C# i+ Vend;$ h" ~6 D/ `: ?, j
( z: |( s# E6 s L/ P) f2循环语句5 N( \ k# O% a
(1) from <statement sequence1>
C8 y, N! m" k until <condition> loop
9 h! X! r( c* I2 {% g9 I& R5 M9 F <statement sequence2>;2 \8 q, A3 g4 @
end;+ M- u/ ^" N2 q5 m! e# U
(2) while <condition> loop
1 U3 X3 y! z% P) |; Y7 {! @! | <statement sequence1>;
5 [& Q6 l6 M7 b" Y% N end;
) n" V: m' N8 S) S( R$ A (3) repeat
( d, A) \$ |* Q! ^5 z9 O" M% p <statement sequence1>;+ T2 i; t. b" e: C! K; W& e5 ~
until <condition>;3 X& D: @* B0 q/ l# V6 `
(4) for <condition> to <condition> loop- E( s2 j! E+ ^5 l/ @
<statement sequence1>;
& c) {+ f6 e. W: D5 k3 Y" } next;- m6 ?) L; i- W9 v5 b7 }9 Q/ w5 ^% _
3中断语句
' b, Q+ S/ `* ]% \. l waituntil <condition> prio <integer expression>;+ E" S' c+ |5 r0 |) Z0 x
* z O( e4 x8 I! B9 ~
% b- T5 O0 T! A以上为常用的函数！2 w' x: o) p7 G2 W4 B
还有很多，如有需要我把资料发到你邮箱里
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