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发表于 2012-11-13 08:48:12
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1判断语句6 n# A! M. V0 J; J% h+ f
if <condition> then7 k1 K6 X) x3 I8 `: z% t( U, k
<statement sequence1>;
# s& I' Z0 F! ~8 U* f: f- r- G( r elseif <condition> then
4 Y0 {& V$ E4 c8 G <statement sequence2>;, j, u4 D) B. L; y" n
else + g6 f& _. a. r$ x4 }
<statement sequence3>;
' V" }8 C- @& L- L" P5 m4 h! h& | end;
! z7 a' k* C2 y) e9 _3 Z6 G% w如果分支比较多，用：! n7 N# N7 `- L2 p5 g0 j! ]2 y0 _. o' S" j
inspect <expression>( J8 n0 A8 O7 m& g) n& v9 a/ o
when <constant_list> then
, X' q7 L" P. }$ q. R; `3 h <statement sequence1>;
, }/ E' z) Y% i/ T# `$ v when <constant_list> then1 b K D% T% _$ e2 ^3 U
<statement sequence2>;, ]! r* H1 [- i- {$ O& B: Y
...8 k% B* Q- ~: F- G0 Y
else
& P5 x$ P2 k; V. R7 P* a. o <statement sequence3>;
( a4 X! g$ a5 S) V, Tend;5 f+ v& u1 d* D
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2循环语句: ?" w3 E2 s! {, u( ~
(1) from <statement sequence1>
, o+ ^1 d6 k; X) Q6 X- f until <condition> loop
. B+ H& ?5 z; G0 t) ]- q" B <statement sequence2>;
# w& w. ^+ `7 C4 J end;( z. W( ?4 Z7 ^% [1 I
(2) while <condition> loop. g+ ^: z6 k; S! N. e
<statement sequence1>;
7 {/ T5 I9 E2 R3 k3 P% m4 a( V$ _ end;0 t1 S8 I3 k& [+ C! ]
(3) repeat 8 I$ D; ~4 x* x$ Q
<statement sequence1>;
) R! ]% `4 L/ r S until <condition>;
8 [+ p; b) `0 K4 k% \4 j (4) for <condition> to <condition> loop
9 a) m1 s+ R( J7 J/ r/ a0 u <statement sequence1>;
& v" z( `* X$ p% q: r next;
: q0 O ^* M7 T- x0 p7 y/ l3中断语句- I& C3 P6 C+ j& T
waituntil <condition> prio <integer expression>;) N y1 e: B' w
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以上为常用的函数！, s) h8 B) q2 b* E" l l7 ]2 W
还有很多，如有需要我把资料发到你邮箱里
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