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发表于 2012-11-13 08:48:12
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1判断语句
, a: }- T5 ~3 v" I, `" x$ y8 R5 m# Z if <condition> then
7 ?# b- U& t* U4 r+ I <statement sequence1>;
/ l6 ^# v. P5 k$ q8 Q elseif <condition> then7 X. K, s$ M r' M
<statement sequence2>;' Y/ y( p$ Y/ q! U' y: e2 q
else
k6 |. D+ Z1 L4 p6 Z2 H$ q <statement sequence3>;
: C" l; C4 }% D# { end;
% [8 V/ v7 m' c如果分支比较多，用：$ D$ n; {: t# m1 a% C
inspect <expression>' i' I# A' F/ H
when <constant_list> then A+ J" v& R2 R S4 M# u- c* ^6 G
<statement sequence1>;3 f9 P' u2 H( g8 T+ `
when <constant_list> then
& I8 d1 w+ N* A. |8 c0 [3 q7 C <statement sequence2>;4 h% e [% s; N9 L4 U
...) Y Z" h6 {7 e+ s
else
/ E7 }! m! W+ c <statement sequence3>;
; m. \9 l1 S2 |5 G6 L' L6 c" T) rend;
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+ ?4 s1 [6 m+ u" y# F" P5 p2循环语句" _; [, u' P9 A9 X J5 q$ h, |/ B
(1) from <statement sequence1>: R; v7 ?; T/ x& g" Z6 R
until <condition> loop; [. }/ I& m& C" U
<statement sequence2>;+ r P/ I5 I9 I/ L
end;& a6 b) j3 [+ u& s" M' d4 ~- P6 v
(2) while <condition> loop5 @9 J* y' S) t
<statement sequence1>;& Q* E$ v* q/ p* f- H( C3 i
end;! i8 s* g/ ]& }. C* \# @* w
(3) repeat
+ x# G4 J1 m$ u/ m, @ Z <statement sequence1>;
9 d: i/ h* }6 j" w' V5 n) t until <condition>;
: E$ ^% R$ r, `$ S (4) for <condition> to <condition> loop2 j& e5 ]' P6 W9 h
<statement sequence1>;
9 m; F4 a; o! ]- _% } next;
+ n- n: \! U6 q4 U6 q' A3中断语句/ Q( q0 i Y/ b- m9 q; D
waituntil <condition> prio <integer expression>;
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1 N& k& {" y2 A' K3 u% {0 B以上为常用的函数！$ G- t3 [/ u$ a9 ]$ u, b
还有很多，如有需要我把资料发到你邮箱里 . `5 C0 V; L0 G
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