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发表于 2012-11-13 08:48:12
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1判断语句
0 \. _' x" e, |1 ~% X if <condition> then
' t0 Z$ _& w$ X" N) U <statement sequence1>;
/ F$ q3 s2 q! u. Y) v elseif <condition> then
1 v; Z8 C' `/ F1 G/ N2 O <statement sequence2>;3 Z9 F* V1 |" i" A) P+ t
else
" V8 J6 U+ H! } <statement sequence3>;3 `& v+ r) r( c$ z
end;6 a5 L2 o& {) P
如果分支比较多，用：! n; g) }0 I. c. y5 ]
inspect <expression>+ _* p5 g( L& z
when <constant_list> then+ n& P4 b8 {' D/ o: {, h5 |7 Q# K0 {
<statement sequence1>;/ _/ ~3 g* @4 X. D" I4 ~* j; i
when <constant_list> then0 `* y4 q. Q/ J1 H8 Z
<statement sequence2>;7 [- t' z/ J- `. J7 B% j& ^; f
...7 W5 U! g; @2 y0 k
else
0 d2 M6 F( I, ~, {; R <statement sequence3>;
N) E; I# E" m# S( u# Nend;3 ~& D( M1 n2 r9 ^/ ?8 l' d6 G& I
: t, k3 I6 m$ u# F2循环语句
4 ^! E% _/ i C (1) from <statement sequence1>
- ~ O0 q3 ?, X& y# T+ s6 A until <condition> loop
% M- d, L& _6 J3 G& q' G- w <statement sequence2>;
) w0 n) m6 e/ b F' X9 n7 L& S end;
; ?1 M9 O8 Q U' W9 D8 }: V (2) while <condition> loop
8 J4 R% X+ r4 G) ] <statement sequence1>;/ z- O! q' C9 V4 v. H# C
end;
+ r0 Q, `1 d; s/ } (3) repeat 4 I8 _/ t, Y8 P
<statement sequence1>;
* A7 F. @" Q. W3 ~" [9 ^% Y# o until <condition>;1 W9 O; |+ e$ L+ p
(4) for <condition> to <condition> loop
9 C! k% k* r/ N# ~6 k <statement sequence1>;# \; c* e E! B0 d: n- l
next;* @: T: M7 h6 |$ u* h7 b1 K
3中断语句, G- g" r B! C8 F
waituntil <condition> prio <integer expression>;4 ^0 \9 L6 f4 j& o |
S, m$ Q2 j# ^* d" P2 L7 u
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以上为常用的函数！
2 y1 N* X3 m8 _% s/ j/ o! `# [2 q0 S/ v还有很多，如有需要我把资料发到你邮箱里
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