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发表于 2012-11-13 08:48:12
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1判断语句* N* s6 f) r6 V# N" h' l9 p
if <condition> then7 J; g1 G+ O( t/ B
<statement sequence1>;1 X9 d* t x" u& r$ C0 ^+ N
elseif <condition> then6 F) b3 l$ m" L3 l/ x( h8 `
<statement sequence2>;
! g1 M8 f9 x. H else
/ n. n, {$ p" k1 N+ {6 Y3 H <statement sequence3>;; K8 }8 E- N% O! m& L) `* b3 P
end;
8 e; |$ a- X0 T如果分支比较多，用：
H: U' A' U: F7 i j3 Q inspect <expression>/ r) u6 U5 R9 \/ M5 N: V
when <constant_list> then8 N. `3 A" h1 t2 B+ Q( o1 J
<statement sequence1>;
A5 |0 S& v0 F' }& {, { when <constant_list> then( g4 @3 a, k3 F3 L. Q* y
<statement sequence2>;/ K6 S( W4 v& f/ d# x
...
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<statement sequence3>;" e0 c. ]9 J' \( C
end;
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2循环语句8 A' F0 d9 R u/ K- w! j( ?' O
(1) from <statement sequence1>* C4 a( l- T0 ~# Z
until <condition> loop
: z5 S! J9 v( v3 N <statement sequence2>;
. a$ l7 X5 {& H; F end;
( x, _! I# o6 ]8 `9 m& O0 x (2) while <condition> loop
; h; _; G( M! b, }0 c* q5 f+ n/ ]$ b% Z <statement sequence1>;. U. A/ c+ _5 G% i1 E
end;
1 ]9 G- K, e9 r" V5 X$ p# t" d (3) repeat % m m+ T" @" f& l' ~; T/ z
<statement sequence1>;
1 C1 r7 j1 v2 ~: g% e4 o) m3 z3 w9 b until <condition>;' M3 ^& ~, Q5 O* F( l+ n9 D/ H$ m+ s' Q- @
(4) for <condition> to <condition> loop3 T" m; \- t" ~: T; f1 q
<statement sequence1>;( _( L( u! i3 M2 a& j5 E, y
next;) s, Q0 e8 ?8 I+ Z% _; z
3中断语句4 A! ?+ T1 u4 C" s2 g: T D% c
waituntil <condition> prio <integer expression>;
: I6 o- D, h/ H; f& r( ?( ^5 j! l5 c. \! G8 j
& M c% L; }/ ]' O8 D以上为常用的函数！0 L# h% n5 J, Z0 v8 r" U4 X9 ^
还有很多，如有需要我把资料发到你邮箱里 ; W! C. B/ U7 y7 _8 _ f
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