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发表于 2012-11-13 08:48:12
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1判断语句
3 \1 L3 \3 b9 m6 }5 T9 N if <condition> then v% v# r+ R& R
<statement sequence1>;/ A J/ F) v% j
elseif <condition> then
" s4 m9 A# K; f <statement sequence2>;
2 n9 y/ I8 m0 H% A* Y8 [7 U else 9 g, ] }+ e2 b" i
<statement sequence3>;
4 P9 f. y( ^' j9 X3 O1 a; Q end;
7 J! Y. j! ~+ j; |9 A& U6 o% k如果分支比较多，用：
0 a1 {: B) @, J2 }! t( |0 k; a6 I6 g inspect <expression>
2 q3 [" p5 {+ R( Y; D0 I when <constant_list> then
* N- B" W1 |3 C+ }2 Y8 I% G/ M <statement sequence1>;- N( S7 _7 p }7 s4 i
when <constant_list> then6 t$ p" s$ j" h/ S! q/ Y: L
<statement sequence2>;# D/ l3 B0 K3 v& x- v! A! ^8 q
...
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<statement sequence3>;8 i# m. X% D7 C6 J8 I: u z' @
end;, V+ ~2 k7 \4 z! u7 F+ B
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2循环语句- I( y) k" c0 ]! d& n) R
(1) from <statement sequence1>
' r* c" g) T& B5 j until <condition> loop- S! C, x5 a+ R. k0 O2 x
<statement sequence2>;0 @6 ?, l+ l( v. p9 Q: i
end;
7 E0 r+ t }. b: m3 Q, Q8 W/ l (2) while <condition> loop
( o7 M2 K2 T' M2 z9 h$ I! Y0 A# o <statement sequence1>;8 V! R4 q( W, S i& }) [: _
end;2 j7 W( |4 _3 j; e) b6 G
(3) repeat # S+ H- A7 d* ]6 i' c" K' e
<statement sequence1>;- |1 \, X/ D0 C' M
until <condition>;
* f2 _1 I. d- o$ Y7 U! B (4) for <condition> to <condition> loop
0 u7 `0 s% O X" t) L" L+ q <statement sequence1>;
( P) n7 p3 L3 T" l3 H! U: t/ Q next;
/ A U3 { U" W3中断语句
0 t6 z2 h3 l. n" z7 v$ c waituntil <condition> prio <integer expression>;
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- i1 o) u5 y6 @5 F0 R5 s9 {6 t以上为常用的函数！
3 H/ Q5 k6 W9 y" q还有很多，如有需要我把资料发到你邮箱里
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