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发表于 2012-11-13 08:48:12
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1判断语句
: E, {4 K; `3 g6 Q L, s5 O+ d if <condition> then+ B3 Q: }; }$ H# u! K
<statement sequence1>;) i& w/ I) o! ~( t, l
elseif <condition> then# y& S. G& s, b4 `' H
<statement sequence2>;; C) w. m" T# L% b m
else
6 r) ^% ~% ?0 _! d, V <statement sequence3>;
" \1 o* K* s9 w4 b* i end;
: g1 D$ V* I2 T7 y如果分支比较多，用：
) U* C" E* X8 Z$ U) R* y inspect <expression>
: Q' y* L" Y. D when <constant_list> then5 l, o6 s" M) y9 Q- B( k% t) F
<statement sequence1>;' h# p9 y6 o/ Y
when <constant_list> then" n0 S9 Y2 j7 K2 a
<statement sequence2>;6 q! h Q; T# O7 p, y' `) O5 o
...
. \+ Q+ J+ i% v* x3 \" q: `, J3 A else
) Q2 C$ O) ]2 {- f0 K <statement sequence3>;
0 a& ~: P. t+ S0 e% lend;
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2循环语句& D1 D6 |5 a( h N
(1) from <statement sequence1>; s5 C6 V5 H: [$ M& a
until <condition> loop7 R: J% H8 M# O. o$ R0 i6 @
<statement sequence2>;
& G) K' ]7 ~" _9 L/ E end;
; z; ?" N$ k/ e4 S' l) W (2) while <condition> loop: F) G& m; U; O, h
<statement sequence1>;
% V* H/ |: i! W end;. ?( m( Y5 w9 p6 t0 y* s, T, p A) x4 j
(3) repeat : {/ a( J$ B% H8 L+ l* S5 }* G
<statement sequence1>;5 ?# p8 }7 W+ T9 S+ [+ l: i
until <condition>;
{4 _+ a. J6 E (4) for <condition> to <condition> loop
7 X/ r( N+ U5 Z* Z$ `# M <statement sequence1>;
8 C3 X8 o; E6 E$ ? L0 V next;2 `! w. H! S7 Z% |. d( c ^5 x8 h+ F
3中断语句7 f, K8 a# J) Y4 J
waituntil <condition> prio <integer expression>;/ u# T: M3 _! k, u8 u
3 _' w# m) r8 k% {
" u6 y& [) I$ H2 I2 i f) T5 Z# l
以上为常用的函数！
; p% O- `! u }, R还有很多，如有需要我把资料发到你邮箱里
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