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发表于 2012-11-13 08:48:12
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1判断语句) {# k9 r a3 G2 {
if <condition> then1 ?. i1 W4 L0 B7 v. E2 T( N
<statement sequence1>;" L! [( L7 |( z! U2 a# `: ^
elseif <condition> then
# |& f0 J% b* z4 C, ~$ E+ N; f, f <statement sequence2>;
7 v& h- g+ U( S% y3 P else
0 P6 v9 q( P7 {2 R! T7 l% g: ~) s! z; e$ F <statement sequence3>;
0 h! B% e: k3 L L# b1 d, ? end;5 J `4 }' t$ E1 p& l
如果分支比较多，用：9 L' l& x* A3 n0 x! b+ k* G/ _2 T, @
inspect <expression># `$ A5 {% f% g) p$ m
when <constant_list> then) M6 I7 e- j$ ` A" x1 c
<statement sequence1>;+ s; V2 [0 o7 q9 t* L7 k- _
when <constant_list> then
; r4 }' N( E4 L6 G) V; M <statement sequence2>;
% H" K% _/ I4 L+ c ...
& k6 k) m, F' U8 f else
. r2 h# [( a! `$ \% u <statement sequence3>;# F+ N( a( B$ B0 `) I# O5 n
end; k7 D* W# Q& D5 K1 n V
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2循环语句& T+ m) o$ |9 j" J' M4 z
(1) from <statement sequence1>- E' n! }9 Z0 T. i
until <condition> loop
. A2 ? u! O, N2 W: w <statement sequence2>;
3 R, W/ L0 N8 v2 X4 s end;
' C3 a3 f9 t8 w0 G (2) while <condition> loop. i4 Q% X, @. T0 e' i
<statement sequence1>;
0 k2 v$ \- j# _3 c end;5 |4 s' T; y9 w% [' Y- n
(3) repeat
! x! {1 F, j! v E: n <statement sequence1>;5 w8 U( H/ \) x! E! X, P
until <condition>;% l: f6 t/ o4 y' f
(4) for <condition> to <condition> loop
, D( c5 @! t* v: I* _" x: { <statement sequence1>;
+ |* X$ F \- h, ^) { next;& q+ q( _7 e& g4 q* T% |/ Z
3中断语句
. X, {6 |7 S( j9 e8 U, A waituntil <condition> prio <integer expression>;
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0 {, x( G( I0 X* D# [1 d1 M5 r8 {/ |0 p以上为常用的函数！# c1 V+ {0 @8 Z6 \7 E; _
还有很多，如有需要我把资料发到你邮箱里
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