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发表于 2012-11-13 08:48:12
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1判断语句
' h) z: i) o& H* `; | if <condition> then
) C9 Y& c: [; V7 l) u; W8 ]9 | `6 v <statement sequence1>;2 J% T$ F& X7 _2 V8 ]4 p
elseif <condition> then
8 b; Q G8 J2 e9 k1 y6 \1 ? <statement sequence2>;. D2 v q) Z; G. i; I
else
0 J) l0 N6 W8 Q; y$ e3 Q <statement sequence3>;
0 [- |% R5 z( e* u end;) n0 F, _* a) l# U, D
如果分支比较多，用：
) `+ y! H6 ?& Q9 f3 y5 ~' M7 Q inspect <expression>
' B2 b( F2 A& S# Q9 M when <constant_list> then6 C8 u( M6 B& Y' _$ ^6 E
<statement sequence1>;
1 w+ H- O+ s. F; | when <constant_list> then, {3 H" \/ z7 o( F$ T
<statement sequence2>;' u1 _# p; H T+ [4 N
...0 p7 X6 k4 D8 r4 r# k& W2 }+ E* k
else# m1 u; Z2 B* ]
<statement sequence3>;2 w4 U$ `! V3 k9 S7 G- }
end;
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0 l9 L, o5 `- t( b! E2循环语句
' g9 L& n- W8 n" ~9 R' B) c6 q$ D (1) from <statement sequence1>
7 K1 W1 w6 P8 P5 e* Z5 S. Z until <condition> loop
% m' V3 `6 O( i% N% C7 D! Z* v( M <statement sequence2>;
9 C% y: ]- i* e( c' H end;( o; b1 i( k6 \; \- c' S8 V$ ?
(2) while <condition> loop
3 R* K2 R: o% ^0 I' A, Y <statement sequence1>;
6 s: y2 }2 m ]. c8 D end;/ I3 N* u4 L* m7 F; K: d
(3) repeat
8 v8 D+ B: X- I. M <statement sequence1>;5 @) p X( I. p7 R+ H5 k. m D
until <condition>;! ^. \: n4 I' [8 o2 K% H! @
(4) for <condition> to <condition> loop. ]8 `; j% I3 N& A
<statement sequence1>;( b( t" @" k9 A! |! `& g$ R' X6 p
next;+ R9 l) Q( c) z, J, O
3中断语句
0 m5 y! t4 a! x% ]5 | waituntil <condition> prio <integer expression>;
+ W0 Z" ?; A. W# f$ m% h3 O* u/ M4 M) W- t
4 l/ ?0 H3 _9 @) z: i* {9 I; g以上为常用的函数！
" ?2 E/ P( } W9 Y+ F6 N) y, `还有很多，如有需要我把资料发到你邮箱里
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