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发表于 2012-11-13 08:48:12
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1判断语句
8 F+ M/ Z+ B4 j1 T: k if <condition> then2 o% b# h- N$ g+ e3 {
<statement sequence1>;& g. w6 L! _- k/ E4 x- q
elseif <condition> then0 f, ?& T* h, W( V+ q
<statement sequence2>;9 v: S0 Z' s2 J6 A& F/ N
else
, B4 J' }6 N8 U( q4 A7 |; C7 S6 _$ z; @ <statement sequence3>;
/ x V! p4 ~& m' Z end;
; F9 J/ c, ^+ e5 Q如果分支比较多，用：+ ?7 F0 F# }1 |( |
inspect <expression>
6 a% I4 b# n% o when <constant_list> then
6 q9 Z# O/ f5 ~' m, f0 l <statement sequence1>;! C2 { W" E3 O* Y$ q: i! I
when <constant_list> then
8 g: g! i, Y) ?1 {, ] <statement sequence2>;
2 r0 i' U% A: P& E .../ T) O1 E6 \0 b, A! K% r0 }- g- i
else3 o+ m$ u; }: a" V
<statement sequence3>;
# J. h& w6 Y p. o p$ Qend;7 V3 `8 D2 B! `' r6 K" C
+ d; `) r% w( F% i! i. F2循环语句 L Y7 F: \8 |1 ]
(1) from <statement sequence1>4 \ { }, ?& t0 \) |
until <condition> loop, B1 @ b* y$ ], v! ]
<statement sequence2>;% M4 ~+ e J7 {" n4 e" P% D$ W
end;. T% j1 W$ W2 X( m$ f
(2) while <condition> loop+ G7 l/ |$ c9 d3 G! f
<statement sequence1>;! l: K) C0 J! }- c% K) N1 e4 o+ U
end;6 z- z9 f N. C/ n) m4 L
(3) repeat
. I! `5 G5 i/ @1 o8 L1 @1 O <statement sequence1>;
" G2 K& }" S8 ^ until <condition>; k$ O% |% S. c" x( r
(4) for <condition> to <condition> loop
' J: `: E e4 Q7 q1 w <statement sequence1>;
6 l& i4 f! M, `- a- V2 h8 y* E3 r next;- @) e2 k6 @# b2 s$ q. E; I
3中断语句
/ p* _5 E- r3 X0 E* d waituntil <condition> prio <integer expression>;
* d3 v1 c0 q" c) G: P4 l7 C( X1 f& U
+ J. v7 Z: L! y/ G! d* t8 s" I( o
+ `2 T4 u- i0 M7 j以上为常用的函数！
7 E k4 P3 ?; E" f) Y0 B! U还有很多，如有需要我把资料发到你邮箱里
; [; p1 _# B) e7 `2 c! X. f8 o$ k9 M5 J* r7 d. b* h
: v& y' m: j: k* X: w' o( O# a* a- q
U" ^" K! o# c: ~8 K0 M/ [4 r. r* U. A: _
) m, J2 ~1 h1 c8 \
1 ?7 C' o- @* N& O0 _
) t }0 R4 D3 d1 d B% ?. P
" s! E& X: r H$ ~. a 4 t# v1 }) }$ d; B% |! T
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