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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
9 b% M( Z( D6 Q7 ]" p if <condition> then; [- S( p" p% g4 n" R$ P; s. y5 s
<statement sequence1>;
- S0 s1 s/ d. ? elseif <condition> then) O* c9 G$ S( K0 i: h# p
<statement sequence2>;8 E0 s9 ]1 Q3 l1 k% ~% d2 C; n
else 3 m& V: Q2 R1 T2 u2 B
<statement sequence3>;6 F4 N9 G/ d5 K0 Y4 z& C- l5 J
end;4 d) T& [9 m+ W$ u) L
如果分支比较多，用：6 k" F a) \- }7 H2 C- A
inspect <expression>
* W. b1 r& f' E Q& U when <constant_list> then
% V5 V6 I6 \9 P* F# J% }! G <statement sequence1>;. E' D+ c) `) m" N7 @
when <constant_list> then
& L0 `" Q. w* C' v <statement sequence2>;
- [: y0 N7 Q4 j" W; t ...
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<statement sequence3>;" @' X" r2 r6 I. D; h
end;
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2循环语句
x2 c% ?- k/ g9 Y/ w (1) from <statement sequence1>
& u+ T* D Q$ \/ C5 x! h" G/ I until <condition> loop8 h" H/ N k! Q) \6 u
<statement sequence2>;+ m$ R1 |+ E) W0 d5 E; A4 q4 U$ X
end;) r/ K+ D; y( u, f7 d9 V! s
(2) while <condition> loop
0 u7 V( [* V' e7 e% l* } <statement sequence1>;
, [- H3 I1 V; l2 l) n0 z( [/ E end; O2 w; t7 _8 U4 K6 [1 m5 }
(3) repeat * Z9 C/ c- `+ G: c+ e5 T/ X/ Z# _$ f+ B
<statement sequence1>;& |" K, P- _3 k3 t6 N7 _" {9 a
until <condition>;
7 U" V3 |7 U4 D) Y( R' z, i! u (4) for <condition> to <condition> loop
( l! Z- C6 D2 H3 M8 k <statement sequence1>;1 R* a: I* A. d) O5 [
next;
% q4 ], w# Y/ M% { J2 W3中断语句; j/ e# \$ U, {
waituntil <condition> prio <integer expression>;+ X- |4 K, K+ L0 s
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! x% X! Q- n0 F/ i/ K以上为常用的函数！, I6 l5 o! T+ h8 q
还有很多，如有需要我把资料发到你邮箱里 ) {( `0 n( P0 l- m; E
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