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发表于 2012-11-13 08:48:12
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1判断语句" m0 u, e! n, k. j) h8 H4 f1 j3 i
if <condition> then
) R. E! G4 m* v3 d <statement sequence1>;% d% u- j, R$ h- K# ]9 X1 a& F
elseif <condition> then
" E5 c& M# a$ `4 i <statement sequence2>;
6 p; z0 i/ ]' k1 c0 E; Q* ` else
O; ^1 {. U/ R3 u D1 T! h' i( E <statement sequence3>;
. [+ [7 J8 ?) n end;4 T7 E# C' p; y. y
如果分支比较多，用：
) ~- k1 z' x T/ { inspect <expression>
: Q5 p2 l! i9 O& l5 ^& G when <constant_list> then
4 C& p5 i) s# m- N8 \ <statement sequence1>;6 |- p; B* d# b9 I& r
when <constant_list> then1 k* r( {" N- E9 W7 ^
<statement sequence2>;
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else
) V' |* c: v; o& e* e <statement sequence3>;
/ h `+ ]" l: t9 i5 C- iend;
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2循环语句
0 K7 L9 _% M, p9 t, L1 x+ ^# b4 u m, c (1) from <statement sequence1>
+ Q$ l/ R9 }5 B* i4 \, i4 Q, P until <condition> loop
2 }- a( Y- b& ] <statement sequence2>;* u# E7 H6 t2 D
end;; f2 z9 u9 \! R1 ~) [
(2) while <condition> loop6 H/ P" r. R- e
<statement sequence1>;
% b2 W7 o* J$ ?; K1 A7 C end;, x2 h4 L$ R1 F5 d8 \; U
(3) repeat
$ ~$ N7 u; |/ e% Z <statement sequence1>;5 A- M3 k# A# J- k; _7 V4 u) d
until <condition>;
. ^3 X2 }% ^) O5 I (4) for <condition> to <condition> loop$ x/ [& a) ]" _' s9 \7 Y( Q
<statement sequence1>;4 U a( X. `6 b& g3 q
next;
d. s' a# G6 e7 G6 z# _ x3中断语句3 {8 D- r/ w1 E* U9 w) v
waituntil <condition> prio <integer expression>;
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8 Q! N% s0 G) v' Q" P( W以上为常用的函数！
0 p: g/ G: Z7 N) t7 K2 I0 O+ G0 ]; J+ A还有很多，如有需要我把资料发到你邮箱里
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