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发表于 2012-11-13 08:48:12
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1判断语句
a9 E- T1 Y2 }6 L if <condition> then
- j5 l) t1 c+ }* C* w <statement sequence1>;
0 I& C' D- Q, d( X6 Y3 B% m D# G+ l elseif <condition> then
# B' S9 k8 B* N# K9 {6 \9 S <statement sequence2>;
' i$ Q6 _1 _/ s. X2 @ else
7 e: l/ y3 R- f$ a( E <statement sequence3>;
. C; g' K8 B" m8 O. W end;
" z- U1 v3 g: ]如果分支比较多，用：9 ?# y# m& q1 K- x: b: P4 T4 e4 A
inspect <expression>" I0 ^! l0 F: y1 {4 Z
when <constant_list> then
; `& P7 Q$ m- ?. ^ <statement sequence1>;1 e) q8 y8 `/ C3 Y; J7 s0 }4 m
when <constant_list> then
, l' F+ y4 B3 {3 @: {7 x: I) L' n <statement sequence2>;( x" j" Z. f2 ?9 `% {
...8 n" b" N; E7 }" i" `) s( l
else( c1 x# v* b. x
<statement sequence3>;
7 d# N. s* }! U3 c& g1 }5 Xend;6 T+ I; r+ d, O) ~9 J
8 B2 e9 y, R+ `6 f" B" F2循环语句
1 l) c; }' x, t, Y. s D+ i2 V+ P (1) from <statement sequence1>
6 k6 |. H+ O' ~1 k5 E until <condition> loop
1 m4 s/ L+ U: D) y <statement sequence2>;
5 M2 g1 Z# R7 ~( L n- q end;1 b5 F: L9 }3 X- \0 @
(2) while <condition> loop
4 q& P& R2 }8 ?( ~1 L <statement sequence1>;
9 ?' ]+ x' g3 n P end;
! _6 U( s+ a2 f4 l, n (3) repeat
x) |' h o. ^( G! k <statement sequence1>;$ F- b9 N) R0 W0 e' C$ f0 N
until <condition>;
, n( h# d$ E8 R6 R7 H( e1 j (4) for <condition> to <condition> loop
0 \5 O% k! [" W <statement sequence1>; J- g: K6 k6 ~
next;5 K% @; {* y9 |; K8 F+ A0 K
3中断语句5 r% O/ m* M, b" ~
waituntil <condition> prio <integer expression>;
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以上为常用的函数！# J% D0 I8 e: S% T* u. g. `# N' e$ v
还有很多，如有需要我把资料发到你邮箱里 & ~$ ^7 }0 L$ k/ ]! \
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