|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句" O- } A3 s. _! I8 p
if <condition> then: P) Y0 h& i& T, U! [
<statement sequence1>;
% x+ m% z) W7 K/ h0 U% r3 Q) t0 B elseif <condition> then+ B# r! V/ k) P0 k+ L
<statement sequence2>;% V: m6 S+ P S, E0 x/ G( V# X
else
1 Q& ]* o; d% R2 F n <statement sequence3>;
2 u" B/ s* n( u- M- o4 ^+ W6 x end;
* A$ D* t8 V; C- y8 b, O) o如果分支比较多，用：5 w8 S# v" ^, m" n% {% v9 V8 z
inspect <expression>
! R7 Y" C( n# `7 W4 A when <constant_list> then
$ c( P! t0 u) M" } <statement sequence1>;: x) t6 I' P! j" T( q& k& w) U
when <constant_list> then/ t) w Y% B* k4 f: L+ u. t. X. j
<statement sequence2>;6 F5 ~- d8 A4 k
...7 U2 r" I+ H c* s
else$ R; n! c" B/ l' J5 K
<statement sequence3>;. u1 o, E, {" N/ v' ?6 d- F5 k+ p' B3 w
end;) w6 [4 N" g9 c- s% o* P
- f7 Y0 ] K% w! a1 ]5 _& [# w
2循环语句
5 t5 p( c5 T2 z- \0 M (1) from <statement sequence1>' e) N. i8 |% D D
until <condition> loop
) |# x; M9 t# t: Z/ j <statement sequence2>;
+ d4 \: K+ c' ?7 N4 W end;
( c% w5 W% }" I (2) while <condition> loop; e. v* @6 V C* ]3 x
<statement sequence1>;
& g, |* d* L; G end;5 }; _- F; U4 G* T: x! F1 a
(3) repeat
7 c, }) `7 m6 g8 x# D: G <statement sequence1>;
0 N) A2 e4 H+ W2 l until <condition>;
7 i8 L- O& h; s: [9 O (4) for <condition> to <condition> loop7 g# \1 T( p1 Q. Q( s# ~9 q; R: ]
<statement sequence1>;, x1 _2 L" k9 S
next;
" |2 ?/ U; J/ S6 C5 c3中断语句0 X/ q1 u, o* Z& I) |
waituntil <condition> prio <integer expression>;0 W5 V$ e7 M: _3 n! `
' j/ m2 E8 Q* O, b$ V5 y% S8 C
9 H& J$ Y1 _2 o: R以上为常用的函数！ _, j2 \4 C7 n, u1 y4 c
还有很多，如有需要我把资料发到你邮箱里 ; `- d/ ]1 H; W" z+ A: j' ~" i0 R
/ O% {# s: G# e \) r' s
+ P% W$ R L5 t& D* I% N3 a/ g0 ?# V8 F; m0 p. c6 c2 U
4 B. }$ |) F* O& d3 Y5 w; Q
* S! f* x9 u6 H& W/ h( t. V
; P# d' `" c) r* K1 H
4 P; L: h5 ^" D' e3 S/ @9 l0 v7 ~
' k: {6 B0 [8 Z0 [9 K( E: W
+ V+ }6 ?1 q3 `0 r. l5 G1 t |
|
[复制链接]
