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发表于 2012-11-13 08:48:12
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1判断语句0 V- X I& p4 C4 p* Q
if <condition> then
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elseif <condition> then$ @0 V: Y5 W4 C v* P7 `/ ^
<statement sequence2>;
8 ?. s3 ]/ _- w0 H& k# U0 u: z8 Q else % T6 J* h, E% ]5 M1 I, X1 x' w
<statement sequence3>;0 Q6 S5 J$ e9 d' W: J. _
end;. D- ^# W4 h! M8 \6 n! p
如果分支比较多，用：2 ~5 t% U: b/ m7 F- J
inspect <expression> [. P \ [7 Z
when <constant_list> then) @6 B2 r2 a4 E4 S
<statement sequence1>;
. N- g( j2 d- m7 a! d( H when <constant_list> then
: f; `2 g8 s. P: ~* i <statement sequence2>;' K5 v, R: p" ~; p9 |9 F; |
...4 X6 t0 G% ^( C+ o
else: `9 }7 l! J2 \9 @( Y8 F9 m
<statement sequence3>;
. C/ [$ R+ k, {: R$ L9 G, Iend;" T# C8 }1 E2 S( Q* O9 B7 @
\1 c& v2 V# d( i2循环语句. A' T0 E% X; o2 g6 ^
(1) from <statement sequence1>6 ]- M y; S/ W$ W$ j$ X' F
until <condition> loop. E) X& \2 X" u1 s7 `
<statement sequence2>;
8 F1 f/ y8 A& S% E end;
( B0 Z4 g* g* A1 ^* b6 h# a: R (2) while <condition> loop: P* ]- f- j1 c( \% @! \
<statement sequence1>;( g' V; I" v* T" n6 n
end;
- |. Q. b# y2 K+ v. E2 p( T; | (3) repeat
4 l3 D0 b& P# W0 j ?# v <statement sequence1>;
. K8 t) a8 {# b# n* g: {" C/ Z7 x, Q until <condition>;
" O( V$ D; W5 e; R- i9 W6 p (4) for <condition> to <condition> loop
2 t; d0 J% H; W% J <statement sequence1>;
$ F) E- r/ Q9 G# ~- P/ k1 F! y: h next;1 v* \4 \3 V+ B5 H! ~
3中断语句
7 _7 U! p$ J2 m ~% t0 f* G waituntil <condition> prio <integer expression>;
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以上为常用的函数！
' U r- i4 d* P2 ^: X还有很多，如有需要我把资料发到你邮箱里 4 y- t6 \! T8 X' C0 I
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