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发表于 2012-11-13 08:48:12
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1判断语句3 M+ r% d8 E4 X1 g) J6 z
if <condition> then
* [8 \! B7 @8 f! B <statement sequence1>;
6 I8 |' M: t5 j, @4 c* ^* x elseif <condition> then
/ q5 q1 H4 I7 i1 U* E <statement sequence2>;7 V0 G" C/ K" q4 L. q
else / Q6 ^$ s0 H" R# Y# Y8 Z
<statement sequence3>;8 x; n" f# k7 E) s' O
end;
% r4 Y4 Z8 y8 b- `9 U6 B& q如果分支比较多，用：/ x& p. O* x+ Q# F
inspect <expression>
( ] a$ N3 b$ n. P3 l; k$ V* ] when <constant_list> then
7 x- _! O: H! S) A8 x1 S <statement sequence1>;
. _! G8 _, Z, I7 {5 R Z when <constant_list> then
; m1 e: P1 A# N, a <statement sequence2>;
3 U" P: a2 p$ U5 a/ h ...
. A3 M6 a7 H G8 _1 y else
; {! y. z* C, d; p# h0 l+ A <statement sequence3>;6 |! c D0 R0 `: L8 |+ T
end;
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; [, o5 i8 p# E: d( q2循环语句" k/ `# Z7 x, Y s
(1) from <statement sequence1>6 U3 ~( {- N3 w c2 F' w
until <condition> loop4 g$ E! X6 M# d E7 n) X f
<statement sequence2>;
- H+ Y5 p- J- n end;( o+ c1 O L. [9 J5 X2 A
(2) while <condition> loop1 k- P+ x% j+ S7 t( B0 L7 {. x
<statement sequence1>;
; k# o$ |( p5 N) w+ O; W% Q end;" O! O% ?; B: P$ p/ q/ J+ s* U& J6 N
(3) repeat 3 _+ {) _+ [+ y
<statement sequence1>;
0 o- F2 n1 M5 t- J3 @; R$ Q until <condition>;
: ~: u* y( \ a0 B3 r* ~& u/ p (4) for <condition> to <condition> loop2 G8 R# T9 a; @5 y1 m
<statement sequence1>;
0 w# w' I4 P( T; i) v a next;7 [; ?+ P7 h6 F) d$ w' Z. p/ C! [
3中断语句+ |# f' K6 u6 D7 p5 W# R: k" r2 I
waituntil <condition> prio <integer expression>;
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- j8 O) V0 E) S& ~/ M- Q以上为常用的函数！
# X0 |9 L: V- R+ z; F" f$ ]还有很多，如有需要我把资料发到你邮箱里 & r8 n" w. o) D# p( i
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