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发表于 2012-11-13 08:48:12
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1判断语句
5 F! o* t8 G9 i( M7 `0 |8 J8 [ if <condition> then
2 B7 L R! b; r# Y5 s/ W <statement sequence1>;, j. H e! Y8 y$ _9 }1 L0 \& \
elseif <condition> then/ M5 D2 {, O- f; S; u2 R
<statement sequence2>;
. |1 m4 n5 Q& k- _( Y else
# d/ x8 C) M) B3 M6 ~ <statement sequence3>;
/ u5 Z6 D% V/ z, k! W4 t4 Y5 h end;0 g& Q8 _" _ A( K7 o
如果分支比较多，用：
* [$ V; c# M0 Z: X G; g* B inspect <expression>
6 O V1 g$ S/ B6 y% _! b5 A when <constant_list> then
2 c% p4 G* y9 [7 Q% ~2 c <statement sequence1>;
6 z9 @; [/ R* V. x! y when <constant_list> then2 H ~9 P' X) W w4 w
<statement sequence2>;
+ b( U) s, ]/ c8 m( e ...
9 Z, p3 Q2 {; D5 r" H/ v" B, f else
! e* I6 Q8 l0 I+ O <statement sequence3>;
" J: z8 o! z" h8 qend;
- {; j4 W" ^# F& m- w$ G( i* f9 g
% z a7 d! N! i& H+ S% B7 W2循环语句
2 U; u7 Y6 O5 _& m5 q' l; D (1) from <statement sequence1>
! j( g% K: b$ C) f! |7 L7 L" D until <condition> loop1 x1 e2 \8 V/ }
<statement sequence2>;
: b' z3 W# e4 @6 N- G( h S; w end;
$ R- f. m$ v% ]8 L6 H, | (2) while <condition> loop
' j* u5 R% y; w* x- k8 z# C <statement sequence1>;
' Z3 R5 S( `; H* F/ y4 ?, K end;/ b Q* A9 f' \* X9 x: | z' u# i9 g
(3) repeat $ h' E$ C0 V D4 a. F
<statement sequence1>;& |+ n1 v6 O1 B4 R1 a& }
until <condition>;0 J/ q$ x5 t* O+ n; l
(4) for <condition> to <condition> loop
. W4 j# ]3 H# n& V) Y5 W+ B <statement sequence1>;0 g) O" m+ c+ L( m
next;9 h I' r4 T4 S% v/ O' p: p2 N$ p/ X/ W
3中断语句
) F0 |) c G- c# ]6 U waituntil <condition> prio <integer expression>;
+ h4 `8 w. q) U7 {3 \
/ ~9 ~- R; M2 ?3 q. P4 X) {: f) B- x
以上为常用的函数！
: z% Y* N: \2 H! J还有很多，如有需要我把资料发到你邮箱里
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