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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
0 ^0 `0 q; L6 x6 _6 ?7 O if <condition> then0 f! e$ b9 s2 n) C% b$ c8 P: f5 Q
<statement sequence1>;
+ Q4 a' o0 h I7 c9 m elseif <condition> then
, C1 p3 W. K( M2 ? <statement sequence2>;' H9 D! Z: y$ A2 g
else
- s) y, z9 ]/ t0 t <statement sequence3>;* z# w- o5 C' U6 S
end;
* S1 I M+ o. h( ^& B7 D: E% l* T- O如果分支比较多，用：5 W, Z' p0 A" U$ s
inspect <expression>
6 ~2 t8 K- _) v Q( [ when <constant_list> then; v/ T% T7 {% X3 x. J
<statement sequence1>;' _6 K. d3 x/ h8 Z5 ]$ D" l; ~9 @
when <constant_list> then
- U3 g4 ^, z. V% ~ f7 Q- O <statement sequence2>;
: z2 J) }" i. p* t; y0 \) Z: }9 Z ...
. P7 h' D1 t4 @ else
2 e* q0 [% c# ^1 ?: A4 w5 d; A! k <statement sequence3>;
& c M# O. V6 v8 l1 ?end;& h- j Q6 j& N5 D8 G: e
% Z6 ~( H* p4 x+ x& g, S* c. l
2循环语句
! A( J# X N- ^4 i! A0 E (1) from <statement sequence1> w. g' D3 e* N% ~
until <condition> loop
6 Y0 [7 `9 C" { o8 g7 f3 A$ n6 h6 ^ <statement sequence2>;
) k; Z- f& J/ W5 f4 x end;& A; W1 U! Y( O' |
(2) while <condition> loop% x7 c: ^; w P
<statement sequence1>;: M! T7 l; `2 n
end;7 D- X8 P' o- y) A8 n
(3) repeat - U" v9 `0 D/ F7 j4 w: x R8 s
<statement sequence1>;
2 Z0 C1 W) Y9 `7 J4 P' B until <condition>;& J/ p& g5 e9 v5 S7 b- `
(4) for <condition> to <condition> loop, O% ? R8 e$ q
<statement sequence1>;
% J3 A$ K- | I' P next;: _7 m6 O% G5 [
3中断语句
% j4 p r }8 @. n. F waituntil <condition> prio <integer expression>;
0 j: r+ {$ `. A$ j, W; g) u( \& V$ ^2 j: W a& Q2 b
: x4 O9 K/ }: V/ K: j X3 y$ {以上为常用的函数！
& ~; v& M5 L2 s3 K# o还有很多，如有需要我把资料发到你邮箱里 $ b: |1 r8 p1 d% e! q7 I
7 ^: i: a1 m3 ^0 i, q% y: ]0 u
7 }, G, ~' Q1 R: q1 v
# x$ w* i/ ?/ x0 f) K , K2 [8 ^ @- ~! n3 Q
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- r1 { ]2 {" e3 O- z9 x0 p# p
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- T2 y0 y6 b6 L ' }$ a5 l" \4 c
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