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发表于 2012-11-13 08:48:12
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1判断语句- q5 d6 A, H- c/ Q- |8 w, E/ d
if <condition> then5 `% R( `) i( g: H9 `
<statement sequence1>;9 S B( R9 g% c+ k: i Y
elseif <condition> then
% C8 o) x( U; r3 X7 b+ X) v8 u <statement sequence2>;
9 [, l1 R. ^/ g" K: |# Z else 7 I j; o; }8 T u+ _/ P, A) Y
<statement sequence3>;; w2 m, V2 _; `4 k7 d
end;( ^4 m( A6 N4 m' C/ G( s$ x
如果分支比较多，用：: B; k3 r5 `; c1 h
inspect <expression>
' W, Y( X1 j3 T( n7 n3 H when <constant_list> then0 J' n9 z& G* F ]' e: x
<statement sequence1>;
6 O1 P. O6 l) J! v when <constant_list> then7 f Z, G* E$ ?6 G6 }7 ?3 |, Q4 G
<statement sequence2>;
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else
8 O; n" X! y! ]2 o8 } <statement sequence3>;
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# v1 l, J( f$ J4 |" g+ l2循环语句
: _* C9 x+ e" C) ~6 J4 s (1) from <statement sequence1>
) q4 q. w) n: m5 ^- ^7 Z3 {( l until <condition> loop, i- R) J7 L: _6 A
<statement sequence2>;3 h' S) Y6 C2 X9 T
end;
! v6 V; l9 j& V. c# s; X (2) while <condition> loop. g( T5 |/ G4 X6 ?: p3 h$ {$ A- ~
<statement sequence1>;- l9 ` H9 @2 E& d% D, q+ [9 q0 z+ P
end;
# C. g! M6 y4 p (3) repeat 2 f3 C/ I q* g
<statement sequence1>;: G) H! l6 w4 s7 `$ y
until <condition>;+ {/ I' R2 |- v& n& {
(4) for <condition> to <condition> loop" J+ R8 K" `+ ]8 I
<statement sequence1>;
; b! `6 N. ] [ next;
; [" O) ~( j0 _3 Y3 H+ {# {: j9 h# ^% G3中断语句% P2 O; l+ i, q( c, x5 {
waituntil <condition> prio <integer expression>;& u3 d9 o& f9 }- F
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以上为常用的函数！
) ^* D: B1 X$ Z3 [4 Z- `5 B还有很多，如有需要我把资料发到你邮箱里 6 J/ @. S3 P$ t
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