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发表于 2012-11-13 08:48:12
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1判断语句
! `" ~0 P) b# C" z0 b$ \9 e% n+ ? if <condition> then3 Y+ z) I9 \, G2 y8 O9 [
<statement sequence1>;+ k2 y: f% R9 X5 f' N/ } }( B
elseif <condition> then
) U) e( Q$ h3 d, D* j. v! q <statement sequence2>;
! |/ Q) f4 D/ G/ _7 e& ~ else
8 k H! B8 f2 G. u& _* b <statement sequence3>;- J: g E# s& V- R9 ~5 |5 a
end;
2 G2 A6 N; O6 ~8 j) R8 f如果分支比较多，用：
& \7 r6 D: q* I! Y7 `8 i4 J9 p inspect <expression>
9 u, C, P# }6 j& s when <constant_list> then7 [; c3 B7 N& S6 H9 t
<statement sequence1>;: O$ d: n7 P$ r& O; X
when <constant_list> then
$ k! E. f R2 m& h0 v' ? <statement sequence2>;% l9 ]$ p0 D) y9 \5 w
...5 G; Z- {9 O5 I) r! g# ?
else+ X' r7 w: L) ~/ F o" J
<statement sequence3>;
7 f& v. M- M) ^7 X. \7 Pend;
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2循环语句) i" I1 N/ n2 J
(1) from <statement sequence1>, J: U9 j( m6 @2 S4 e7 D' f* b# D
until <condition> loop6 F' {$ \2 |" H4 I$ c% f( ^
<statement sequence2>;
. L5 ^$ Q- u( q. [ t: V end;
n- e, l6 d& M; t (2) while <condition> loop# b5 ~! V2 W% M$ j! `6 |- L
<statement sequence1>;
' _3 v" J4 p* U' P9 ^, K# C% j end;% O7 S/ v; d8 t) K8 O8 L& T5 ^% S
(3) repeat
- J: B/ d6 D4 G <statement sequence1>;0 @9 \1 }, h* n: S4 P# R
until <condition>;
1 I* B, B$ Y) r (4) for <condition> to <condition> loop3 u, ~8 `; D6 y3 ?+ P @; y4 F. A
<statement sequence1>;
- j% a5 e$ b( Y/ J! n next;
8 D t) p" V( T8 B" ]3中断语句5 r5 N! J# k" |1 x- z! Z
waituntil <condition> prio <integer expression>;
: x5 Y' J f, A# J$ P# n
0 e2 W a+ u! y& E! F: ~3 L2 w/ {2 A+ T! e
以上为常用的函数！
$ A" a: c, H3 b1 x" c3 m+ m还有很多，如有需要我把资料发到你邮箱里 ' A; U" Z1 ^ u" W& x
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