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发表于 2012-11-13 08:48:12
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1判断语句; @% v+ J* i- e
if <condition> then
1 s! Y3 \, T B <statement sequence1>;4 V& _$ S7 |8 E: B6 w6 z
elseif <condition> then+ o. D& k5 E% V8 A3 M; Z! p8 h6 i
<statement sequence2>;
0 ?0 y2 x6 T# e6 \# ], |5 r G9 h else 6 n$ F5 Z0 m& T; v0 A
<statement sequence3>;0 z0 C. }0 Q* c# Q
end;
; b8 b0 T- P/ i2 r0 R如果分支比较多，用：; ]3 p0 `8 m& x
inspect <expression>5 [# J" j" i! n& z# ~
when <constant_list> then
- f( {. [3 R- {7 [2 R# C, b7 y <statement sequence1>;4 _6 ~% \' n: K
when <constant_list> then8 h* U7 x! H' I* N% ~# O
<statement sequence2>;
/ G* z/ o( Z, M6 H0 z( u ...
; y9 Q% ]: s. H v, p else
; l& i! m- v- V/ g- F- O <statement sequence3>;( R. A4 U: x, T
end;9 x+ |6 R. A- p" u+ U
3 U. p1 |9 w! J3 f4 @" E" f3 ~2循环语句
7 B X; b2 q' D4 P$ ?; D (1) from <statement sequence1>4 y1 X/ ^4 |$ H, n- b( d( I$ D
until <condition> loop
1 M+ Q h" y# y8 C4 l' s+ { <statement sequence2>;; ?8 _3 G1 S, r5 d9 [1 A
end;& a) f# z8 z4 ]5 X G5 \1 H0 b
(2) while <condition> loop: ^, m5 J2 g; f. o) q# D. |* t2 U
<statement sequence1>;
- v- g" j( p" j1 h end;
1 t- I) I( `) R+ C) J' B" r (3) repeat
5 n, C3 A* X4 w+ B1 |! O+ } <statement sequence1>;, \2 S0 R5 O* u7 f/ \: @. b$ n% A
until <condition>;; ^- c) V7 s1 ?$ `" y
(4) for <condition> to <condition> loop+ P4 E- t& U+ z) \. S
<statement sequence1>;. l) O# d* G0 ^, H5 F$ E
next;/ U& q8 G' ^! f6 A
3中断语句6 R0 j, |# J7 N l/ O
waituntil <condition> prio <integer expression>;' Q$ n. h/ h* s; k7 P1 n& ~
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以上为常用的函数！
. _- \/ z8 U- n7 V* { C" x还有很多，如有需要我把资料发到你邮箱里 8 ]9 S4 N' R2 _& q" u
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