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发表于 2012-11-13 08:48:12
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1判断语句6 V* b" `* k" v: s
if <condition> then
4 X) |& ?9 \. J1 _ <statement sequence1>;- @; Q# J3 K( E, {
elseif <condition> then' l. t& d! B& W! U% ]% v+ O
<statement sequence2>;
) }9 V `" e, o- G( w5 X else
' N' A: o! z! T' V4 }+ C# L0 \) Y <statement sequence3>;
: U0 H9 L! P) F! T end;
7 r+ b! k0 d- `0 M/ v如果分支比较多，用：9 |2 b0 v' G! T: b9 z
inspect <expression>
- }1 [0 i2 _2 i* R& y" ?* t when <constant_list> then+ `: q8 S' R8 \8 u: f" f
<statement sequence1>;
, F, R' k' `/ f7 @& w9 S when <constant_list> then
& x) K3 D/ t0 i2 u" v+ ?- ?) o <statement sequence2>;; I# \# y9 ?! _' j- x- Q! N
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else
! c- t4 S# K1 p3 C2 u" M <statement sequence3>; N2 Z- l( D, J7 }5 Z H
end;
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' g# o- m$ ~+ p. ], N2循环语句
6 B, Y. Y8 f5 @% ]# `( Z% v2 H7 p (1) from <statement sequence1>
2 p0 `0 D& I6 O( T1 P: } until <condition> loop
# l( P0 `+ H/ Y' Q' Z+ Z <statement sequence2>;5 W* J; k' w; J! a
end;; x( b U$ H* p
(2) while <condition> loop
7 u! z2 |0 E8 ? <statement sequence1>;
/ K6 ]4 y, Y1 N' o end;+ a6 R9 A- P1 ?0 y& O" j% d, E4 b% E
(3) repeat - q/ a; l0 w0 A1 f4 o
<statement sequence1>;4 }8 l6 o6 X- A( q
until <condition>;! k/ ~/ r- a7 b2 z( ]# X
(4) for <condition> to <condition> loop
( R8 R0 v' _; ~% c0 N: h P <statement sequence1>;
/ S2 Q4 @: c9 `$ ~ next;
& b4 z$ j) a$ N2 h9 ^: N) [: s3中断语句
3 w# _" U1 B8 t5 S8 c! j9 o/ P waituntil <condition> prio <integer expression>;
; ~: p+ }3 y: `( z+ K
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以上为常用的函数！ Q- `1 L% f1 h) `# R. h. v. p: ~) m
还有很多，如有需要我把资料发到你邮箱里
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