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发表于 2012-11-13 08:48:12
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1判断语句1 h0 Q6 B2 V1 q+ ^& n7 M
if <condition> then5 f9 K/ N! {0 j+ [. ^" ]
<statement sequence1>;
( q. t" Q- q/ H9 }9 ] elseif <condition> then/ r. e$ X$ _3 `2 r8 B
<statement sequence2>;
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<statement sequence3>; B. j* }! Q+ b
end;# l; c, U$ I) \4 U
如果分支比较多，用：/ _, u# j% E5 f5 ^6 y
inspect <expression>& r) d1 O3 w+ o# R q& N* o; i5 n
when <constant_list> then
" o: ^0 I4 L- n <statement sequence1>;
: O) y2 X' Z0 H- q4 a when <constant_list> then
- J. h$ p6 i: V. i" c# l! ^$ T6 C <statement sequence2>;5 l% R3 \4 ~0 T. S
...
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<statement sequence3>;
0 o8 C8 N1 F; ]5 B: Mend;
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5 X0 E' F9 l Y2 L1 ?5 h P2循环语句
' L& {& j' v0 l" `/ w' _& J& Z (1) from <statement sequence1>
" {# r; ?5 l; u' y! Y until <condition> loop/ p- |$ [4 X; M7 P, l- n6 ^1 H
<statement sequence2>;/ N6 n2 }. |% ~( E6 _- D6 Z6 _! i
end;4 q% F+ D& a0 R
(2) while <condition> loop$ f, A1 U4 C* I6 _9 u
<statement sequence1>;+ u0 E! ]( u9 j1 G, m: a! B
end;& I2 X- t. | ]3 a- V
(3) repeat 8 L F) x# a0 \
<statement sequence1>;
) V. O. w$ W1 d' J until <condition>;
/ A3 ~3 w$ f c. h% K4 R (4) for <condition> to <condition> loop
/ }! Q4 x9 o V" ] <statement sequence1>;
. b2 g l% y# W2 d; Z" V2 U, D% ` next;
7 s3 R0 J6 j0 E; S3中断语句
B& [9 t+ B- d waituntil <condition> prio <integer expression>;
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4 p8 t3 i( Z. `4 L' B( F. n! L以上为常用的函数！
2 ?3 c8 Y* o- u( x8 ]还有很多，如有需要我把资料发到你邮箱里
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