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发表于 2012-11-13 08:48:12
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1判断语句0 W' t$ @8 O' }! a. T
if <condition> then
0 l. { ?) X7 _+ h' k% I5 X4 W <statement sequence1>;; G! Q5 r6 \$ r6 \
elseif <condition> then: S( [1 r; ]2 h# u7 }+ f
<statement sequence2>;8 u; g7 U6 v2 H2 C/ l3 D4 [
else 5 ?3 w9 ^ ^; L" J2 g: |. l
<statement sequence3>;+ F5 ~: G9 C5 o. j k
end;; p8 D v1 o2 @7 F' U8 Q. [
如果分支比较多，用：
A# Z# T) N2 p/ n8 d6 p inspect <expression>: i7 H" [* o3 E( K# f0 n
when <constant_list> then8 Y8 c4 ^) a0 J& G5 o) Z
<statement sequence1>;" r8 S- f" p& l5 [6 Y9 ?6 n1 G
when <constant_list> then
8 V4 [3 |: |% s! j ] <statement sequence2>;
, ?9 ]6 I J% h7 W9 ]& g9 g ...
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<statement sequence3>;" Q: U+ }' p+ W/ F) l* s
end;
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3 c* W! ]8 c( E5 P# n2循环语句
4 e8 D* k9 e# v% ~ (1) from <statement sequence1>9 @7 I' [/ m1 I/ p
until <condition> loop
2 l8 n1 l$ ?3 h; J <statement sequence2>;
* U$ q! u( D# |% O7 P end;
- R1 G, }- y: A% d. d* j3 Z7 B (2) while <condition> loop1 g( e! {7 m6 e9 f2 H R
<statement sequence1>;4 Z& s, {9 ], Y, N+ K4 N$ s
end;
2 \( k& j: K+ Z) S( E* b$ e (3) repeat
9 v4 q7 g1 {# q- S9 s) v% }5 m& c <statement sequence1>;
) |9 i+ C$ t) n/ A3 t0 B until <condition>;
6 u/ A3 b. v' ?+ \ (4) for <condition> to <condition> loop
8 O* U/ X$ c. u5 J5 w <statement sequence1>;; M2 v' V3 |5 X" p6 m- \
next;1 Y- U" a4 A9 @- E
3中断语句# E+ E3 w- a, h2 m9 p0 l# C
waituntil <condition> prio <integer expression>;+ h3 B% s) q K; h$ w w- f' q
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+ u0 R8 b7 [ j- H) V8 v- B以上为常用的函数！
- U/ R( Y, \0 m6 }1 \还有很多，如有需要我把资料发到你邮箱里
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