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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句/ T# {" ^5 |8 {4 n
if <condition> then
7 D# r# `+ Z, u9 g9 C& b <statement sequence1>;
2 j- Q7 X* B5 g elseif <condition> then: C; l h: A# `1 }! E5 H& t5 Y
<statement sequence2>;- {1 A0 u! g. r! X' E' V( L$ ~
else
: j j. Y( d ]7 Z0 e( `$ y <statement sequence3>;5 A4 F' ~, L/ } H
end;0 k9 W/ s+ Y7 A( a6 u. m+ s
如果分支比较多，用：
9 \8 ?7 n- F) w, G5 r inspect <expression>- H4 i7 P( L8 h" b! a" T2 H
when <constant_list> then
* i; A1 ^( o* G) K <statement sequence1>;5 {# ?# G G% O. l2 C& _, F
when <constant_list> then }; T5 A7 ^* ]3 O4 m
<statement sequence2>;
8 V, E# h' v8 B) _0 a ...
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<statement sequence3>;
_! k# x B# Qend;7 t) f" L; K) F. ~) g5 d2 T
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2循环语句
& \! {9 t) M) }; _5 O: g (1) from <statement sequence1>
' ^$ h \% S2 v) L0 @ until <condition> loop% U3 v/ O4 N3 [5 a" i4 _
<statement sequence2>;
3 X" L5 K! n% _* F1 _8 {8 H% B end; r4 d2 C% ?' b' Q6 u, w
(2) while <condition> loop
; M0 @2 i' D+ m <statement sequence1>;
$ B/ Q) A5 E8 e% p, C end;
* R8 b* J- u4 M# J* ^: B' M (3) repeat
6 b2 z! u& L# S' P2 E <statement sequence1>;$ @ x5 q# }3 z8 F0 ]4 ~7 |
until <condition>;
# x" H4 F1 j( _/ X$ @( I# B e (4) for <condition> to <condition> loop
# X2 g* `+ v" R- _ g3 \5 {" z. ~ <statement sequence1>;' i! m3 M3 a* l( A. {6 L' X! X) I. G
next;4 |5 {. L2 N v
3中断语句' G% `( [" M0 ?
waituntil <condition> prio <integer expression>;% w' ^$ L# Y/ A. W: d: w" r
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% j; P; M$ ~, `5 z以上为常用的函数！* E. Z% @- F0 ~4 T: G: c+ U" ]
还有很多，如有需要我把资料发到你邮箱里
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