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发表于 2012-11-13 08:48:12
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1判断语句5 Y- f3 I9 y% x8 l* j. u4 i
if <condition> then
8 p3 b& z4 H+ ] <statement sequence1>;' l/ D" |- O# ^/ R
elseif <condition> then! j% M7 W4 Z: }# B/ @ o
<statement sequence2>;
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<statement sequence3>;/ Z- C, c% O) \( m4 D5 O+ ]1 v! Z( {
end;
) ^) W& s8 Q$ V4 v0 J E* n如果分支比较多，用：+ L( @0 `- Y8 K. E y+ Y! i* |
inspect <expression>
, [7 b, E' w4 b4 r& k+ v3 i9 I when <constant_list> then
- p( L: ~0 w5 Z7 e# Y <statement sequence1>;# e+ X; ?3 a; J6 {* T9 H4 D' n
when <constant_list> then
, H, x. d6 u& @) P6 I$ K <statement sequence2>;/ c2 b$ n8 @* ?+ F# R2 t
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else C' Y" q. V. i! b
<statement sequence3>;% q7 y; ]+ N5 X' Z% T
end;! z! g& @4 z% P: j/ P
: S m2 w. W1 a J0 N( f2循环语句9 d( Z, O8 u) B( Z2 F' T2 d
(1) from <statement sequence1>
0 X; o$ M* j" `3 o) ?; n4 O until <condition> loop
7 L' k0 m) g1 H* Y <statement sequence2>;* X1 X+ a/ U" O) [- `& }5 `. B4 q! V
end;& h1 ^( Y0 Z/ v
(2) while <condition> loop2 }! `$ \4 P& t5 r- j
<statement sequence1>;
5 Q6 b5 l2 ^, _ end;
# {# c. [! l; b# b# A7 t" E) O (3) repeat , `8 Y" }6 b9 d+ ~. ~
<statement sequence1>;8 R7 O, W, T! z& {5 i# {
until <condition>;
B& g+ q8 O) Z% a (4) for <condition> to <condition> loop$ V9 n: l( S: h; x9 r- b n
<statement sequence1>;
6 D3 |9 g$ J+ J5 Y: L next;5 G$ C7 V* r% n- f
3中断语句, t, t( E2 e) b; ~+ u8 V6 R
waituntil <condition> prio <integer expression>;' z) D* ~' O6 S' ~6 S; X3 q# @
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以上为常用的函数！
2 }9 Y$ h; T; C3 b& G ]1 c2 B还有很多，如有需要我把资料发到你邮箱里 2 b7 f- A( v6 l
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