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发表于 2012-11-13 08:48:12
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1判断语句
$ ~! H: b. O( O& e if <condition> then
/ }8 G+ j) E' z <statement sequence1>;
1 ?& z+ P' s8 r7 b H elseif <condition> then( T. S" d- U5 k4 O2 x5 D- m
<statement sequence2>;6 t9 i, n, }' f4 Z2 m8 Y' F1 n! S% s* k
else 5 o X5 X' R( m( J+ o
<statement sequence3>;; w# ]: F% f6 ~7 l! R" m, P7 g( y' F
end;
1 F; N5 I7 i# w& @如果分支比较多，用：3 c" D1 Y5 o; J! h2 P- A
inspect <expression>" \2 j0 q0 o+ C, H9 Y
when <constant_list> then
) _4 I: S4 k/ N# h1 }5 B <statement sequence1>;( c$ b: u$ k& @+ u
when <constant_list> then/ w) _# ~9 K; |! }& J1 \/ [' c
<statement sequence2>;# X6 q" i) M9 h# q$ G
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else: f# f: Y5 g6 I0 h6 f4 d8 D
<statement sequence3>;+ @2 A9 d' y4 _! N. ?
end;" \# m4 ~* `7 R1 J
/ E* v P+ I. S0 r2循环语句
+ g6 x: k8 T- S (1) from <statement sequence1>
$ V1 W1 A' a# R6 y4 x1 D until <condition> loop
% w# `) z& R5 S1 c$ Z <statement sequence2>;
4 r# _4 A, U$ w" P& L# L( G end;- h$ a' _8 U, L* m
(2) while <condition> loop2 r B$ ?5 ?# r& F( }% E# k
<statement sequence1>;
+ S/ m: b1 V( D; G6 `1 S9 m end;0 I# _' b: N& N B* G: R" S/ {
(3) repeat
6 K+ M) r* j% \$ w3 ]4 y <statement sequence1>;3 T; D! ~+ u- i+ N7 L' i- K+ [9 v
until <condition>;
0 E4 X' |% c% j# [0 U# `* a (4) for <condition> to <condition> loop
[- e& E8 P6 P" T5 ~! V4 E <statement sequence1>;
4 p4 r+ f$ ^7 v! v next;
0 d2 D8 p& }7 r# E3 U3中断语句
3 d6 P- z c" l ?% _; ` waituntil <condition> prio <integer expression>;; w) B" B( Z3 L. ^
; ~* H' T7 e8 A' Q7 W6 s7 n* d) W% y- B3 I7 ~9 A/ v
以上为常用的函数！8 p7 q& A, g1 s# r/ t6 `
还有很多，如有需要我把资料发到你邮箱里 . ~) c5 x# r5 j$ S- G* {
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