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发表于 2012-11-13 08:48:12
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1判断语句" D- N7 T* V3 s0 [
if <condition> then& l. s5 F0 ?: C9 s/ S* H, |
<statement sequence1>;: w7 p& I- e# T5 X; f2 y# E
elseif <condition> then
7 e5 z8 q0 E& k( N$ \ <statement sequence2>;
2 z) c" x8 J0 C9 ?3 {+ U else
+ D/ G3 w6 p3 t! X <statement sequence3>;( T8 A/ x5 t7 \( r, b3 L! }" a
end;( k" {( x0 h' w% }# N5 i
如果分支比较多，用：
+ R1 \8 Z* p ~( y8 M8 o% h: d8 B) X inspect <expression>
8 b1 T( D8 d6 I/ e/ R/ Q3 H' s' f when <constant_list> then
X- a0 z. a1 R" H <statement sequence1>;
; P; u1 y; E, z! L2 C { O2 l when <constant_list> then2 a& w- N# I+ [0 t* W+ r9 h8 M
<statement sequence2>;
, a g# s+ `4 t$ D4 `4 k6 s/ w2 \ .../ ]2 k0 W4 e% e- _# B) r
else5 Z+ e' D2 u' g
<statement sequence3>;. P5 ] V. T1 A' m4 k
end;
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; M7 v* v0 Q3 O* N2 W2循环语句
) x; O8 A5 }6 a s3 y& m! e# n$ G: I (1) from <statement sequence1>
5 _& A5 {8 _( G' ?( k6 ^ until <condition> loop: K) I A, I+ r9 r% a
<statement sequence2>;
n S% o% w2 ^# C end;
. \( q& ~2 A1 o( x u (2) while <condition> loop
2 {% g( i$ K& j9 w0 u+ ~ <statement sequence1>;
) M- M% ?! g2 c8 M; ]: x. m end;0 k# {, a1 }% n0 Z% x6 {* w2 G! k0 D
(3) repeat
) ?# g5 Q$ ?$ w- I <statement sequence1>;
~& O9 C! {7 Z1 w( n until <condition>;
3 X9 i" I1 z' I (4) for <condition> to <condition> loop
, }+ [0 t. k: i( { <statement sequence1>;5 K: A. \8 n8 h! v3 X
next;
9 i t+ w3 e {2 F3中断语句
7 O n7 P8 Y2 I' A! B S/ S& b waituntil <condition> prio <integer expression>;; a" |6 l9 E1 \
! U( ~, D# {8 a6 {! m' f
4 ] R1 R* J' E$ @以上为常用的函数！; ~- j; J* \% [$ H" `2 D' y
还有很多，如有需要我把资料发到你邮箱里
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