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发表于 2012-11-13 08:48:12
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1判断语句
! s8 S. I8 q3 h0 X, g4 O if <condition> then N. Z, o+ O& `+ e/ k3 ^
<statement sequence1>;
. z6 @+ i1 J9 O! ~, l9 |" Z elseif <condition> then0 r( ]/ V: J) t4 l: Q$ b4 x+ N
<statement sequence2>;
8 a4 p% e: F0 K% i3 }7 o! ]; t else 8 n' i. |$ q0 J9 d- ?; n
<statement sequence3>;
/ Z5 Y' W. _0 d9 ]) I. x end;7 w. ]% R9 N d5 U7 h2 x3 ^# M( f
如果分支比较多，用：6 K. I- a1 Y# v* F+ J( T$ w
inspect <expression>8 \1 ?/ R9 D {8 G4 [2 d
when <constant_list> then
" _1 g& S# c. h) q <statement sequence1>;1 A! ~4 d# l1 k) Y
when <constant_list> then
: B3 ?- w8 C) t% F0 {. `/ x/ |, h <statement sequence2>;" _6 R8 B+ i6 _6 m3 l$ _
...
n& i. M+ _ P: V/ Q \/ w else
$ {8 @4 U5 K. c8 p% d- F( a <statement sequence3>;
( u" A& U, n+ K; ~7 eend; S7 ^ G8 C8 b/ p3 m
% f6 M$ Q5 I4 w0 k- T) I& N L2循环语句1 @* H& G# c6 C0 @4 w8 ~& Z) v6 c
(1) from <statement sequence1>& Q4 {4 K( S6 Y2 p$ p; m
until <condition> loop( |; L9 _. U8 O4 ^8 |3 H; k( U
<statement sequence2>;# S" M# y1 z1 r5 b5 d5 c; s3 h
end;
K+ s/ L& `- G3 J/ K (2) while <condition> loop7 x$ \$ ]2 Q. s. J5 M" {$ S# M
<statement sequence1>;
4 Y2 t/ d+ ]: [ end;
8 U, `" l/ H& u) q% h4 V (3) repeat & y$ y$ ~1 V3 H# d5 M9 }
<statement sequence1>;& P5 x5 L9 ?6 N0 n* x
until <condition>; [* `; v! U# d3 d
(4) for <condition> to <condition> loop5 ^0 J( M7 F. {
<statement sequence1>;
4 Z, I$ s4 S4 U next;1 ?2 G( h5 {( p/ e
3中断语句
* J5 m u+ {3 l" S3 Z8 ~. ~ waituntil <condition> prio <integer expression>;( k, M# I9 y4 A4 h7 I. }7 u) G9 b
8 ^( f) _0 R6 }- y
* {3 U+ c5 \* U- a* X7 V以上为常用的函数！
( ?: i: |/ O. i4 f9 K+ [还有很多，如有需要我把资料发到你邮箱里 ; z3 }7 e+ _3 y
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