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发表于 2012-11-13 08:48:12
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1判断语句
; T- J6 e( m. ~' R7 V7 I. o if <condition> then2 D# l; K& g) Q( S
<statement sequence1>;" L3 N: X+ G8 X# s
elseif <condition> then
" r, M4 w* [. v2 n; s <statement sequence2>;/ Y9 e9 E7 L, y N* u
else
: F( c/ O) ~5 [5 G) [8 c1 l0 \ <statement sequence3>;4 \. Q: O6 a! o+ `7 |: W1 ?7 `0 m5 _
end;3 B u' u+ X7 g7 r G @; r
如果分支比较多，用：
+ }4 s5 L5 t5 A/ H8 h) _8 J inspect <expression>
! w: {8 S0 r% m/ c when <constant_list> then5 k E. C) t" b8 q- Q1 o
<statement sequence1>;& [( T' u" a3 o4 K7 o+ W
when <constant_list> then: E6 i# ~8 U1 |3 d
<statement sequence2>;9 V" R% Y2 J' Y
...1 b( f4 h# y) A' b3 N0 R
else
3 h+ k P( k0 N, s <statement sequence3>;
+ O0 O S: M) @0 vend;
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2循环语句
" |, c6 D+ Z( p3 I2 D) z (1) from <statement sequence1>
$ j) \2 Z: M J0 v" ^ until <condition> loop4 J3 L( H1 R [; ^) D
<statement sequence2>;
6 ?6 R3 p) a& Z: ^. C$ T end;6 b2 T3 [! g" D4 }( @5 @
(2) while <condition> loop
5 e ?0 C/ I: w# `: d6 k+ W <statement sequence1>;
0 r" O j9 t- n% t end;/ t9 {- ?8 d( H9 @! R
(3) repeat
5 `. g, A- C. S& I! X <statement sequence1>;' x* y9 N Q: _& k: h
until <condition>;
: E9 L1 {& P/ ~ (4) for <condition> to <condition> loop# F# H" n4 B' j' X* N0 `1 f# \
<statement sequence1>;* m, B0 Q! Y' _: H5 I
next;
( j9 y5 Q- Q) I. [/ M5 E8 Z3中断语句! i( K8 P; j1 K6 V$ F1 _$ @2 p& M
waituntil <condition> prio <integer expression>;0 \" U' n$ g' C! z6 Z% c( x
3 P5 y# q p- {( G
3 V. S. n: C2 N7 n! W: S以上为常用的函数！* J; K t' o) h, g
还有很多，如有需要我把资料发到你邮箱里
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