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发表于 2012-11-13 08:48:12
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1判断语句
! s7 M1 g9 Y8 u; k1 L& G' F$ K if <condition> then
, P' I& z7 o4 K4 r9 I5 w <statement sequence1>;
5 {& A. j$ |; ]3 K. h8 ` elseif <condition> then
& b5 d, l3 b2 |( c) C <statement sequence2>;/ j5 `$ P) N0 e1 f2 i
else q8 E* T. } |: N7 }2 F
<statement sequence3>;
8 Z. N/ B" H& B: X4 z6 u end;
5 x `* c t& |+ D如果分支比较多，用：8 |0 z# K3 u" O
inspect <expression>5 Q$ Z9 d! J, o: U2 ]
when <constant_list> then
# q. S7 D2 n1 i. D9 C1 o a <statement sequence1>;' E- y9 S. ?7 n9 b- Q7 I T
when <constant_list> then
( F5 [) `$ z) p7 c <statement sequence2>;. T$ j& d& T$ J1 }
...
; m$ C6 ?6 X% ]0 B* C. N/ L& D else
# O1 F/ F2 j7 t3 u <statement sequence3>;5 R/ M# O' n9 T2 w/ L; B
end;; J2 c* H2 w3 ~3 B
9 ^4 ~2 B/ [' o- C) j7 R* Y, O2循环语句
B' E) j0 L9 S Q (1) from <statement sequence1>
, s, o: z j# a+ J until <condition> loop
5 C p, u1 }+ |5 h0 C <statement sequence2>;
9 M, Z @( r+ U) D# o4 G end;3 n% f3 j" h. S8 Z
(2) while <condition> loop! r7 ^, x) Q9 X: j
<statement sequence1>;' q. D6 ]+ y) }: `+ N y1 L% G
end;
! B& J8 X0 m1 L8 p8 z* H l (3) repeat
' J7 ]; Z7 i Z: i' T <statement sequence1>;0 N: ^0 n) n, [! k; @) I* Z% ^9 U
until <condition>;- M9 m; Q( |# j; ?. `& G2 `
(4) for <condition> to <condition> loop
8 V" |0 S5 }% }7 Q0 d6 v" ~) T <statement sequence1>;' j8 K9 ^- r8 @( E6 ~9 \6 U. R
next;
5 q$ }; _" d* j% Y3中断语句) t' h9 L& U; N2 b
waituntil <condition> prio <integer expression>;
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) Y: `( K! V6 o$ S以上为常用的函数！, n N6 t# i$ r
还有很多，如有需要我把资料发到你邮箱里 " j |7 m2 z1 H/ W9 y1 d3 n2 Z& V
/ z% `" {$ z, @6 {$ A! w8 I( i v3 a. f+ }; D' V- r; `
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/ I; O9 z/ h4 w g, M) a, G# j4 ^7 ?) f0 `* [' Q/ T' w- g" K
3 v' ?2 U* }5 E1 n! }
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