|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
2 E+ R r9 @) n' R: |) d if <condition> then
9 a5 C, C) h) _" a, S) [ <statement sequence1>;
2 }* }- q. o' n o elseif <condition> then
0 d0 v8 v, F; X9 n4 Q# d% | <statement sequence2>;, f3 H% X- i; |- m2 \. x# q& L
else , A" t) J! i- G! S
<statement sequence3>;
+ ?$ ?8 t- X+ a. N- p$ Y end;
# |$ z, s/ D4 D3 A; N6 [如果分支比较多，用：8 F4 D* K' Z3 z7 l8 \3 `5 |" {; o, u8 L
inspect <expression>
% v/ s# R& m" p: [ i; h$ P/ N when <constant_list> then4 W+ o( S1 z% W# ?
<statement sequence1>;" h; Z, M8 l- ?9 a, ]6 g
when <constant_list> then9 a; Z3 S3 A0 D% s1 n
<statement sequence2>;' Z* ^# l; D: e# @& ?
...* E) n' F1 X. F. N0 x! O* K
else6 j X1 X0 j. S
<statement sequence3>; `" a! j H, l4 f- N9 M
end;
- h; K9 j# j+ ?+ ?6 M) ?
j+ t: G4 u/ D% `) n0 r# c& c2循环语句0 g9 P% J( w" B' ]$ o8 u
(1) from <statement sequence1>7 w- \6 c( n- V; c6 x' ?
until <condition> loop
; b+ m2 e+ V* }2 ^' c <statement sequence2>;) @& T# e. y! n7 ?1 m1 d
end;
: @4 B& \) E: a9 H (2) while <condition> loop' A0 b: h5 r! a" R
<statement sequence1>;
8 L6 [) L$ e2 T; Q end;
* a5 w3 E! w7 Z* F3 o4 \ (3) repeat
0 u/ |; z; P' E! c <statement sequence1>;
) ^. h9 v% e u$ e until <condition>;! F/ _7 k" A. q& a" ]
(4) for <condition> to <condition> loop
, [( ?, m2 z- L1 f <statement sequence1>;6 E1 f% N/ L" g7 n
next;$ p% a6 b0 q; {+ f
3中断语句! d ]& k' X' B7 [) ~, M
waituntil <condition> prio <integer expression>;
# v0 v3 \ n* N% i" n6 k/ X0 H4 D. j6 `+ i: i( x
/ C# H: |+ [! R- Y* o" a/ ?+ ^以上为常用的函数！7 J- q: H1 A5 e6 J! G& N
还有很多，如有需要我把资料发到你邮箱里 - @9 v6 X& n4 c" a
- s7 }& Z$ D: ^7 [, }9 U
: D1 u$ i" P4 D, A( ], a/ F* w @+ u
6 p7 N' x' `; ^0 g
7 C4 R0 w: I7 C- _" g3 t9 {
- y4 C3 n+ ?5 s
7 H( h% s4 |/ S8 L8 b4 J, P$ x1 l
0 c4 p8 C* Z8 R' {: \
6 ?( k4 j$ m7 z L ) o& z2 J* l- _, m# u
|
|
[复制链接]
