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发表于 2012-11-13 08:48:12
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1判断语句3 [7 X! O; w7 g3 i1 H/ C
if <condition> then0 \1 u' \+ [. K. s4 T. W
<statement sequence1>;9 k$ e. F7 `2 D( C" u
elseif <condition> then
) [& h9 G, h2 }: N1 O% ? <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
) w( e' p V9 w; L; m2 f% `- ` inspect <expression>
/ v- {: \, y+ k, U when <constant_list> then
8 t0 d# D1 Y2 P- w- A" s% o, c <statement sequence1>;+ g+ B8 n6 ^0 f! q
when <constant_list> then# I7 Q, I! _. E4 R3 u# M9 {
<statement sequence2>;
! i& F' L+ Z1 ]0 `) w ...
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<statement sequence3>;' C4 W/ Z7 S7 n: X d
end;. k+ _. a2 c2 `) j& O$ a
5 G0 X4 D4 \6 C) }2循环语句
3 \' C' L+ q* [9 v) c; v* w (1) from <statement sequence1>7 r" a/ X1 D6 [5 ]
until <condition> loop
" z x( m @) U3 w4 O9 g; C <statement sequence2>;& t2 o9 _- K" w X" x- ^5 i- [' J
end;7 A# C2 b5 s8 d# H& w
(2) while <condition> loop* h" F) `! r2 T$ [
<statement sequence1>;! |) ^7 Q0 h7 Z. r% {
end;
' E3 l9 v/ J# _1 o/ G (3) repeat
( M# X- I. [0 f <statement sequence1>;
& S( j2 P# x. R% ]" c until <condition>;
( L) J2 h3 s8 m& ^& _ (4) for <condition> to <condition> loop2 Q! B0 f6 x8 f* \: ]( q
<statement sequence1>;2 A$ Y1 [4 J+ ]) g% z
next;
8 m+ p2 U6 k% N: b3中断语句 j5 k) K" H( ^- n
waituntil <condition> prio <integer expression>;$ Q: E9 z# _% ~( M5 X2 }
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* {) u2 Q1 O9 x/ E( J% c, I以上为常用的函数！. T ?+ d/ o$ P+ I# }$ i
还有很多，如有需要我把资料发到你邮箱里
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