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发表于 2012-11-13 08:48:12
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1判断语句
5 @. B8 ^3 }, V2 o3 S+ r if <condition> then. o2 ]% S) R. |5 h# k) q+ H
<statement sequence1>;: L$ K N, u$ y F4 U
elseif <condition> then
" A, y) J4 H# | <statement sequence2>;
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<statement sequence3>;
+ S4 q, F; C0 W1 @$ T* | end;/ ~* \& _. q4 D- g9 u m8 c
如果分支比较多，用：% |" k6 x2 j% l
inspect <expression>
3 ` J* O; m% t when <constant_list> then
3 r7 V: q& T0 ^6 p7 e4 Y% ] <statement sequence1>;
3 J" b; _/ v8 V; d: ~$ T when <constant_list> then( _9 b2 u* X+ r8 g
<statement sequence2>;
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else
/ k$ A4 P5 ` n. Z d: M) m <statement sequence3>;
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6 ]* w' R1 b2 E) t/ V$ q2循环语句8 H/ H$ }7 } b+ k7 L) \
(1) from <statement sequence1>
9 U' E, @/ V0 E7 d until <condition> loop
$ X( r* I" j0 F/ A& s4 @ <statement sequence2>;
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(2) while <condition> loop
- G5 ~7 e Y7 q- `5 B& U3 ? <statement sequence1>;- N) ^* n1 t- f9 w+ _
end;
9 r) ?3 q* I! O8 m7 K (3) repeat
. ~- g# r# @ l6 M- d3 f9 ^2 ] <statement sequence1>;
/ I* L% M# d0 e) l% } until <condition>;
g5 m/ V ]* Q' n! y$ R- ^ (4) for <condition> to <condition> loop+ ]- g, a& X) Y) v, Q! D
<statement sequence1>;; F! y" [& @" I8 B: ~5 I
next;
/ A( z% w3 C9 M7 _3中断语句# Q; O0 o2 }* b2 `. s1 V2 o* Y+ L
waituntil <condition> prio <integer expression>;
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以上为常用的函数！) o& q& `, E5 r+ y4 ?8 x
还有很多，如有需要我把资料发到你邮箱里
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