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发表于 2012-11-13 08:48:12
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1判断语句5 c% _' d( [: e9 y7 ]8 k9 }
if <condition> then
. f% ]3 }1 g5 T( \, N. W <statement sequence1>;7 A; S% k" I7 }, X& W
elseif <condition> then3 Q6 r \& g2 h& I3 L2 U
<statement sequence2>;0 }$ b8 j+ e, d
else ! R* b2 T8 v0 s7 R
<statement sequence3>;2 }+ Q! u$ O' `# u3 ~1 b% ?9 ]
end;* P9 n6 [5 v& K/ H; a# Z% d% ^8 I
如果分支比较多，用：
1 H, m; P$ N* @+ P inspect <expression>7 q; i8 q# D3 j, o" u7 l* F* D3 x% ?4 Z
when <constant_list> then
5 t8 l. X3 s) s2 o0 D) F <statement sequence1>;3 B/ z- g N% s0 h
when <constant_list> then4 E" w+ f# u/ _ a, H( i
<statement sequence2>;0 V" T; }9 ~ m2 s, y% | [, @3 a" }1 M
...9 N) A) B& J& `, }# v, ^0 P: | h( ^
else
% W0 U0 B( v/ a8 r: S9 p2 }0 ^ <statement sequence3>;
# K# q/ [% v0 G# wend;
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1 ^! N! v3 R/ R/ L8 _6 o- L2循环语句
. Q' b3 p# W- }5 s; c (1) from <statement sequence1>
w/ |2 W5 X- Q# E until <condition> loop
. V B% {. V1 @* X! f <statement sequence2>;
7 U( j9 G8 m* I end;5 D( p# ^% m H" H6 \. {
(2) while <condition> loop8 m! u- V; a @9 P! Z+ [, g
<statement sequence1>;
5 P( u7 T0 P/ e end;
: b8 ^% W7 e/ z9 ? (3) repeat
9 B9 [9 v6 e) [2 H0 d <statement sequence1>;" Y; k3 H& F8 x4 j* J
until <condition>;
" h% {* E. u% s4 u! _$ B (4) for <condition> to <condition> loop
! d+ ?2 @" W5 G; I# W5 ~# L <statement sequence1>;
& h4 t- F, ]: h$ m0 L- x next;
, ^1 I: _& ^' w& Z3中断语句+ x( i z/ L s; p
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
! _9 M# E5 M' o4 }3 G( Q% |还有很多，如有需要我把资料发到你邮箱里
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