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发表于 2012-11-13 08:48:12
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1判断语句
1 W! ^4 v2 N$ n0 r if <condition> then
' ]- F$ h) _' Y5 ?: E <statement sequence1>;/ T7 }3 O' ` L7 w$ y i8 F4 T
elseif <condition> then
! Y$ ~. g. J4 S# k <statement sequence2>;) Z8 t' ?, r: I
else
1 E. ^' [( s5 i! ^3 b& l <statement sequence3>;
* X3 d, d) i' d. b end;0 s7 o8 p6 S6 U+ A0 L6 d; n( u
如果分支比较多，用：5 V! T. t; O6 y2 Z1 c; \
inspect <expression>
9 E; j2 w9 I4 ~" G" X2 `- a& c when <constant_list> then# J4 w5 m0 D2 Y- |0 N
<statement sequence1>;
0 N- G* |1 r$ I( \; W when <constant_list> then
- X( N% t6 S. b/ v* V6 R <statement sequence2>;/ e/ ?* D8 c- n* e' l
...3 b# J. s6 P. @1 r! D! ~
else) S; s. f4 w+ K$ C0 H' A4 c+ K+ u# j
<statement sequence3>;
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) h; T; O+ a$ c# H, K8 r- y2循环语句
) ?2 f; |$ a/ I1 X7 Y$ d1 Y (1) from <statement sequence1>
" ~! Z* V/ S# D( m- W- G- q6 F until <condition> loop1 u$ A7 q0 y+ N3 R5 D% Q- o
<statement sequence2>;
. d; [# H. M% { end;& o+ r7 C5 i5 e
(2) while <condition> loop
0 a/ F- F4 ^6 n; h <statement sequence1>;
. @* F( D6 X; e' J1 c: X end;3 ]8 M4 ?& D" | C& q" O( m. e3 d: m9 Z! _
(3) repeat
! d! c9 P6 ~$ ~ <statement sequence1>;
! k3 R7 }8 P0 H- P0 y9 K/ H- ` until <condition>;: S' B& t6 R% _4 z t& j
(4) for <condition> to <condition> loop
' H1 A$ i1 I" S5 S! j" Y1 z' u <statement sequence1>;
; s ^ P. C) R2 d( U next;& T$ \+ o" }" N7 @+ k* h
3中断语句3 Q0 h' V5 a( Q
waituntil <condition> prio <integer expression>;; }) [% S# q4 ^5 G6 k2 ^: C
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以上为常用的函数！0 ~) B7 l m$ o# T0 r
还有很多，如有需要我把资料发到你邮箱里 6 M# d1 w) r$ S6 i* o7 {
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