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发表于 2012-11-13 08:48:12
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1判断语句* E; j+ r" [; W" o8 q
if <condition> then/ w4 n y2 _% Q' j9 b. Y
<statement sequence1>;! f+ n- u( p8 o4 P
elseif <condition> then
1 A7 Q5 r% n& [ <statement sequence2>;
9 H6 Q( c+ B2 o) k% A3 k* N4 x N else , U& |& t7 Z1 t1 D2 [! {0 M8 N
<statement sequence3>;7 K1 _$ _# h: d
end;
7 p. M2 R7 T' H- X( _! [如果分支比较多，用： `- L/ S2 n; N" M0 E2 X. r
inspect <expression>
7 z1 y- B' K7 | when <constant_list> then
( Q7 ~; m$ x( e; q3 B0 y4 D <statement sequence1>;
/ E6 ]4 s% Q9 X7 K4 c when <constant_list> then5 ]7 J* x* t* F% H7 K" Y* U
<statement sequence2>;8 `0 v \, T- Z; L
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else
4 d1 W2 h' T, B( e <statement sequence3>;9 N5 e% ?! c* {- p' U: e
end;" v) u- |' P- ~" y3 Z
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2循环语句
& E1 ]+ |; P& O. L4 y (1) from <statement sequence1>
4 S5 _, D; \) k until <condition> loop
. [& y# X# L5 b. z/ \* M <statement sequence2>;2 [$ W2 O0 Y# T6 X+ }) ?7 s/ Q3 x
end;6 { Y C# z @/ t
(2) while <condition> loop
/ b6 Q0 G' @9 { <statement sequence1>;
! {1 {5 O7 N$ E/ u: a$ p# w! B. h end;
3 X3 S. g- z3 O E3 f; E (3) repeat
; L! X) p# d+ [ <statement sequence1>;' b/ {( n! [2 N6 Z4 b+ |
until <condition>;# l, O( H: t* ^
(4) for <condition> to <condition> loop
& ~5 p! Z1 b/ i <statement sequence1>;
5 J) a, H3 N% N5 Z2 T next;1 c- ^1 x% u n( C1 |$ @
3中断语句
+ p: k \) c+ A( Y2 z3 l( h waituntil <condition> prio <integer expression>;
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6 e" N: n l. X" @4 K# ^0 Y6 b以上为常用的函数！
, R9 c# U S' [4 a6 u0 |, ?# ?还有很多，如有需要我把资料发到你邮箱里 7 T" c& T' P, s" b; {6 E5 z
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