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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
6 \7 S+ p: E5 X( j" K# U if <condition> then
# b1 l1 o; w) Y: C$ n/ [9 [ <statement sequence1>;' Y. B" G" N3 @
elseif <condition> then
" ~0 C$ o: y. |0 {' g+ {. a <statement sequence2>;1 Z: T# h* Z, N/ B/ c5 d8 J8 d
else
7 k ? ]. f) _- p2 h7 p% N4 v <statement sequence3>;, }8 F! }% V2 A6 h; e- R0 P
end;
' H3 r+ J1 `2 k如果分支比较多，用：
# u8 B* a9 Z* E. _; ~ _ inspect <expression>) ^3 i! p! {( b' d7 v
when <constant_list> then
2 n; B7 A, Y- _ <statement sequence1>;+ l" o% w8 b0 h; r) n
when <constant_list> then
6 \* \$ h) x( K+ O' T <statement sequence2>;# i+ B# t8 g/ X! N# N% l; A" Q) g
...
% _/ X- O3 W- }" u( z# N else
8 A5 i9 q. Y ^$ O7 a3 e9 H <statement sequence3>;
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2循环语句
. f) f' Q* @; J0 s* {1 |/ A! z0 t (1) from <statement sequence1>) |, z' J% k# H8 F0 b N1 Q4 [
until <condition> loop+ C/ d% S, h2 |$ {( B; {6 \ Z* l
<statement sequence2>;6 ?8 s* O2 h) C
end;; e/ J# R7 L- F; I# W
(2) while <condition> loop
2 F0 }7 E1 I. y9 S, N) W8 c7 K: { <statement sequence1>;
3 c, W: ~* E- P% }; g end;7 a$ H$ ~) v2 b( [
(3) repeat
8 a; U9 {5 J5 m @9 I" T8 s5 k <statement sequence1>;
+ O8 j' ?4 w' r: a: U; x2 { until <condition>;& H1 e$ u7 N. z; d2 f" T
(4) for <condition> to <condition> loop3 n: w6 H6 v- Z; n4 x5 k
<statement sequence1>;
* @) S& _5 c6 t& ~( v next;
* R- [- `/ o. F+ n# e' H3中断语句6 ~1 Z. x. J; `) U4 }# h
waituntil <condition> prio <integer expression>;
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以上为常用的函数！" R* s, _# n8 Y
还有很多，如有需要我把资料发到你邮箱里
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