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发表于 2012-11-13 08:48:12
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1判断语句
2 |; Q$ C9 J) ?/ H- T3 i: R/ i if <condition> then
5 Y% c) M& s) i" j8 j' A5 p t <statement sequence1>;. k" j/ q3 Q1 m4 g2 j% N6 R) ]5 s
elseif <condition> then3 D, {& A. c/ q' L; Q2 t) D
<statement sequence2>;" q: M! ~" G* v8 {! E' r
else & ?, M2 D1 ?/ j C& l! r8 D- y |8 |
<statement sequence3>;
3 X" P0 f6 I; L- M% O end;
: M( Q4 _2 E) {# g8 h# D如果分支比较多，用：
7 j! | ?4 _9 e6 }6 C: ]' C! e5 } inspect <expression>
2 O0 R1 q; E* M8 j when <constant_list> then
; O' d" P$ H- s* t <statement sequence1>;" z+ Y% ~+ x$ B
when <constant_list> then' z8 B) m; \4 g9 V2 i
<statement sequence2>;, S2 E& Q: ^; \9 u7 x
...
7 m2 h* B2 e: M$ @% } else
1 ]: J4 c) b, D' j7 h, i( i/ ]0 A <statement sequence3>;
% C2 {8 f6 _' ~9 W! l! ~, v+ D/ u9 qend;/ j4 V @2 a1 ` h
8 `) A1 i- B5 O4 R4 E; R2循环语句6 Y0 p0 H3 i% ]; U' B! M4 t
(1) from <statement sequence1>2 \& L6 D; [0 T* U
until <condition> loop) M# f% x% _. B% a
<statement sequence2>;' i+ F# l Y0 ?9 E' p
end;9 b! [+ l5 X# [4 s. z+ ?; D
(2) while <condition> loop2 t+ T) A6 e- T: R9 u% o5 v% H, W
<statement sequence1>;
; e$ h* d7 m: T* {# |+ {8 t end;
9 C* o. |3 _ }. J8 m. s (3) repeat # A* M; B& A, e/ t$ \ ~
<statement sequence1>;) T9 ?4 U8 m# Q( a% l
until <condition>;9 y" k# l1 X: g! b/ X
(4) for <condition> to <condition> loop
6 _5 Z. O$ p1 u" E# c% a$ _ <statement sequence1>;
( M7 H' y5 V1 s6 t6 G next;
# V, Z9 V0 d" {4 a" Z3中断语句0 }6 ]+ H& t) c* W6 U- x" B4 P& A7 E9 B
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
. N( w! {. k& `还有很多，如有需要我把资料发到你邮箱里
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