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发表于 2012-11-13 08:48:12
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1判断语句
U% ?& d' C7 ~ if <condition> then
7 R% B# u' r; [- z2 @6 J) \# n <statement sequence1>;. o" o4 q5 I; e
elseif <condition> then
( ^- v# b! O/ b: r" T( U0 Y <statement sequence2>;4 p. O1 d; |. j4 r7 i" n
else
! \# I: K5 E% M( D* ` <statement sequence3>;
$ \: E8 S( @0 p' ?. T9 W7 |6 F6 k: z) D end;
7 h h. p4 m2 u0 o0 s- _# {如果分支比较多，用：
) f. E6 c( A8 d" ?9 [. T& p inspect <expression>& i: L( E9 O! N; p T, ^7 D) x
when <constant_list> then5 {1 X8 q+ Q7 n
<statement sequence1>;- W9 ?3 W5 i, [* ^
when <constant_list> then
: ]' T/ C% b5 z6 _0 ~- s! b0 ?9 b <statement sequence2>;; ^. U# Z) ]* Y; b; e
...
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<statement sequence3>;
! @0 X6 l; X: R( X9 Kend;
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2循环语句# o% F% W9 c0 b" P" P3 q
(1) from <statement sequence1>
& q; r" k) O: k1 m) w* ]; g# c until <condition> loop
1 j0 C, r& Z Y3 l9 _( n <statement sequence2>;+ Z/ Z9 l; @4 w% t8 z, R8 P# t1 B
end;
2 C t8 b ~& E" h (2) while <condition> loop
/ f Q( n* u! n <statement sequence1>;
P) z0 P9 U. _) X% _ end;4 E$ D* j! \# ]( w) S/ K6 h1 W
(3) repeat
& o" t, j, R0 U. i) a1 H <statement sequence1>;
' O8 p2 x$ J2 [8 `7 f until <condition>;3 X# f, ~) U2 i# j' {
(4) for <condition> to <condition> loop: s- T/ d; s3 b
<statement sequence1>;
7 o$ u M4 u5 R: l next;/ e" D, O4 Y* Z- h
3中断语句
4 X9 d2 x1 e, E8 J4 ` P waituntil <condition> prio <integer expression>;0 d5 [; e6 \1 y7 v4 r/ {$ ^
8 b/ Y/ Z- K( w. l5 r% {
" g1 ^* h! x) j% n以上为常用的函数！7 r5 G( | e: |4 X- B2 E
还有很多，如有需要我把资料发到你邮箱里 . a9 T- N5 M4 F$ \ e( @
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