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发表于 2012-11-13 08:48:12
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1判断语句& G B' {6 i' g3 D4 r
if <condition> then1 q: a( y" @' B! F/ r
<statement sequence1>;
, _& k$ s0 u# |/ t: I( @! ? elseif <condition> then
6 J: Q8 m- T0 J! W* R" P) G <statement sequence2>;
# y* h# O1 w( n, o; X( _, C/ |+ T# p1 u. C else
" S! @3 l8 t3 F, y# P2 G0 k3 }# ^ <statement sequence3>;5 F9 ^) g5 Y: A! ~5 e; D0 x
end;
. {( j3 Y, }: x' B* t( k* L- v如果分支比较多，用：% j( N9 C# O* ] F2 h0 W$ Q) l
inspect <expression># H; I& c# Q& k% q+ H; a
when <constant_list> then+ G4 u; |* D; a% d- t$ c
<statement sequence1>;
* ?' t0 ?8 [. N" n1 A! w when <constant_list> then$ n* k3 g, ^+ O2 s
<statement sequence2>;; Q6 o0 i) E) T! w# l
...
- }: A" [# g: v% X% _9 F else
1 f( U4 C, a" f" O7 H( l <statement sequence3>;
- {& s3 t" X4 m$ w3 ` wend;
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. {& ?3 Q6 C6 G6 v+ h1 d2循环语句
( A4 X! K" N: K, Q. D (1) from <statement sequence1>% I( ]+ O. j" Q9 \
until <condition> loop# u6 s9 `) [7 c9 t
<statement sequence2>;# b- t' C0 R5 E2 b( n [
end;' s! z& y5 t1 m `' x
(2) while <condition> loop: l, @/ D0 q( D- W, r6 T
<statement sequence1>;
* e$ K2 r9 C& O5 K3 n. ? end;
6 j2 i2 d" h& h6 F) D! I (3) repeat
! @- }! M, p P3 C, u. T" W <statement sequence1>;
, h% O; l" q( ^7 I until <condition>;) x* E, Y% ~& I1 p
(4) for <condition> to <condition> loop+ b) }# R* @7 J; L2 H( g4 Q) J$ e
<statement sequence1>;
: [4 T) X$ ~: U5 l next;' g+ @; {1 _+ }7 A6 u; ], z
3中断语句
5 ^. k( \/ h, @! c8 M) R- g waituntil <condition> prio <integer expression>;" A0 f C3 g& U) f) V* i: p0 g* }
1 o! K, u( x, c) j
. m0 d, G$ M6 I' u/ j以上为常用的函数！7 E7 p x/ a/ P' q* \+ e. ^, _( s
还有很多，如有需要我把资料发到你邮箱里
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