|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
2 G& p) A' {2 Z if <condition> then
$ y P9 z! v$ _; P <statement sequence1>;0 g7 G+ h2 b% S0 f! R) V& R' R- W6 @
elseif <condition> then
! n. N' w. |' v4 E! R( d& \ <statement sequence2>;5 ~9 Q* ` \% C
else : ?/ f Z0 ^& R$ `+ M0 S
<statement sequence3>;/ G+ L, `# b; }6 i
end;; J0 S7 Z9 m! s; U2 i. f% B
如果分支比较多，用：7 k1 g8 } I! R) \- ^3 w
inspect <expression>$ ?: }8 g6 `. x! ?/ G4 ?, M
when <constant_list> then
. ^2 Y: O- Q) l: ? b3 _ <statement sequence1>;9 h7 G8 v" k" [) ^
when <constant_list> then
, c5 E+ w0 z4 Z A/ K# X% L <statement sequence2>;; i, C9 L) Z. n
...4 o' p: r. o1 l; B9 g
else
3 _1 q$ a2 L/ `# T1 j) h3 D <statement sequence3>;
( j8 Q' |. i6 Z; \end;
" B2 w6 b& V% j6 G/ L+ g+ p# p7 P* W N: r
2循环语句
; C8 k3 n. a7 P) H% `6 M9 ?& F (1) from <statement sequence1>
) e$ T" @+ \; ~ until <condition> loop7 O# }# D8 B$ r$ e: Q& y
<statement sequence2>;
, A1 g7 }" A& [$ s. O! f8 B" t end;
( x! S/ T6 R2 L' e (2) while <condition> loop5 m6 I3 o; y( m' ^0 z
<statement sequence1>;- M: t( ` U8 M$ X' ^
end;
( t2 d, B' s0 ?0 P x& e& j (3) repeat
) B- k% z ~: v5 ~. M* Y <statement sequence1>;& B: U7 V. w' y2 l/ V' d
until <condition>;' w. r X" b" b% H2 Z% J! p
(4) for <condition> to <condition> loop
; \- j/ { D8 u6 R* Z5 t <statement sequence1>;
: ^9 T/ N/ p+ |7 m next;
+ h+ a$ G! B8 b+ q, P3中断语句
+ V7 r) x6 w0 V* u waituntil <condition> prio <integer expression>;
/ A: d, {; A. A! r9 V+ `5 f( {4 M' s
/ Y2 p2 r1 g# `9 m; p N% ?5 B/ u
以上为常用的函数！
2 g8 o/ m5 _' X3 {还有很多，如有需要我把资料发到你邮箱里
8 s7 W+ A$ u! _9 M% ~9 |: X; A+ E! v/ u, Q6 c
) t( y* O4 e+ [- {2 m
, s) i) D. S0 o9 y% T8 N% U 1 Q- O% N2 }4 L4 P
+ O& q9 q$ n2 Y! r V, b
' Q$ b5 G! L+ {4 f$ ?$ K
) ~6 k8 J. L( G
! ^" J/ x: g. s( ~4 |
/ {$ d9 [. _4 _9 j; E1 P% i" H; k) C
. C0 ^# f( q! R* A |
|
[复制链接]
