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发表于 2012-11-13 08:48:12
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1判断语句* |- B4 \! B% H, t# C
if <condition> then9 H( V" k; R# r
<statement sequence1>;
0 ]4 H% {6 Z/ A8 S elseif <condition> then
: G7 H0 b9 B: G# n. A2 Y <statement sequence2>;
5 J$ t t: m% I else
" k$ a' k+ ?9 Y5 X% r9 Q4 k% E <statement sequence3>;; ^# N' W. k& ~* b" l- [. }" c
end;
4 y" I& u3 h: p如果分支比较多，用：
3 Z6 I* p4 i2 I: u( y, Z inspect <expression>
T' c2 i, {7 R when <constant_list> then
6 o4 U; w0 l4 j& d' Q) ?9 u( Z <statement sequence1>;5 v. L, V+ W' ?/ c* A3 o
when <constant_list> then
- P2 W' ~9 ^ s1 U <statement sequence2>;
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else
L% G0 h2 E2 v5 f2 ~3 o <statement sequence3>;" N: w) }5 s4 C, d- h2 s
end;: @, Y, l& b& Y1 w; b
) U8 n, ?* G7 c& X+ n1 R2循环语句
- J* k* ]0 l/ P$ D8 {( n$ g (1) from <statement sequence1># m# b( Y( j$ V+ M# B! B
until <condition> loop- ]( b5 R* d5 Z" D1 c/ S9 I7 f9 A
<statement sequence2>;
; S, s+ K3 t6 s2 S9 q1 y, {2 f2 H end;& L" l, r |0 T
(2) while <condition> loop
2 J% W# @- V# F) j! D2 s <statement sequence1>;
6 h! Y; h7 ]) _' H end;
5 p, {" f! a! Z S( G) Q( I1 g (3) repeat 6 F ]) k9 w. `- V2 W: s! {
<statement sequence1>;, T+ Y' R7 [5 e" B/ B% h
until <condition>;8 P3 B$ M" j& o. O( o
(4) for <condition> to <condition> loop
6 s [( X' H) G" } U& r <statement sequence1>;" o- ?! r5 ]2 {* n
next;
7 f' Y. Y( {$ L3 P4 }8 z3中断语句
( j) Y3 k! M# ~4 d$ v2 }" z' K waituntil <condition> prio <integer expression>;. P% i# o; h! Y p2 F
* U s$ M! P: y" C, B$ t/ v# z6 Q* U4 \
以上为常用的函数！+ B9 N3 X0 g1 }/ X$ O
还有很多，如有需要我把资料发到你邮箱里 " M- J! L1 f. ` [
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