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发表于 2012-11-13 08:48:12
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1判断语句; G; I& v3 x( k) H3 f
if <condition> then
1 v' k0 F. O! c" b [9 D3 x <statement sequence1>;! W, E, j U$ H1 O+ ^, E, `
elseif <condition> then
( ^" @, I$ k0 t- z1 D <statement sequence2>;9 ]; c: A a) L# J8 ~
else
! k" U3 v+ b& t# I6 Z# z <statement sequence3>;- N$ p. l2 w; ^( p; r
end;
0 S4 Z/ a; |" E如果分支比较多，用：8 N; t x; r1 R4 ?9 v& U9 E
inspect <expression>! k% [4 g4 J4 _6 `
when <constant_list> then
8 p. Q/ B# z: `- z& S <statement sequence1>;
, q$ k, K0 W! k$ m- v% j/ U0 Y1 e+ u8 h0 X when <constant_list> then8 o# @( ]8 v1 V8 _
<statement sequence2>;0 F- v6 a& G" O! E
...& u0 x. y' C! S$ f' P: W1 n! p; P
else
; A" e( [5 K* N! I( a0 V* p <statement sequence3>;* m9 w8 p+ u3 z" m6 v
end;
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/ o4 K, j% o1 f. p6 }7 W: k6 m' g2循环语句
( y ^0 P& |4 c* R& M (1) from <statement sequence1>7 F$ @0 G: @4 {1 k5 \ p* G
until <condition> loop
& S; O' y( @1 o5 o7 j3 x. J! E <statement sequence2>; r0 z& Y7 k Y8 y# n
end;; D, C$ r, n" r6 _: \& V7 F
(2) while <condition> loop
) x& b. M5 i6 B <statement sequence1>;
: p5 ]5 U# S- ]; K, J end;0 D. F6 P# v' Z% ^+ j' P
(3) repeat
+ I! Q' P* D2 U6 @ <statement sequence1>;
% w3 \; B( g- O- m6 r" Q until <condition>;
; c6 c3 S( ^8 k ~1 m (4) for <condition> to <condition> loop
+ H' @" }) B8 ?- `. a <statement sequence1>;/ T/ o$ u- q5 M3 d' G
next;/ A. g% D+ y5 X8 l2 T4 R7 M
3中断语句
7 ?/ V& s' W, i4 k* y) w3 v waituntil <condition> prio <integer expression>;
# `" y) R2 P3 O9 O0 T4 g; h9 q$ L/ `( p4 r6 }9 Y' X! y
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以上为常用的函数！4 S" ?* I- ^2 h' y, Y
还有很多，如有需要我把资料发到你邮箱里 # R% t* i* u" m1 ]' _+ b) M' I
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