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发表于 2012-11-13 08:48:12
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1判断语句5 a- |" p2 b8 G: B& k
if <condition> then
9 |% a0 r- U/ F <statement sequence1>;
$ M4 a/ X! h* x- a8 z- r) U elseif <condition> then; z5 W0 X" H5 Y9 U
<statement sequence2>;2 q8 [, G1 J% t5 r
else 3 e2 K5 F* `+ X3 _7 T2 H) J7 H& ]. a( z0 p
<statement sequence3>;$ D+ g+ l" S7 F9 r1 J" X* S
end;
) G4 M) ~: E ^5 b! X; l如果分支比较多，用：. E$ m$ A' u4 @) _$ A* K
inspect <expression>. G; `& D/ @/ d; T& j& O- V
when <constant_list> then
1 H7 i+ j- G0 f8 @# c! p. }5 ] <statement sequence1>;
' M4 q% x8 d9 ^ when <constant_list> then( [- W8 T5 k, y. Y
<statement sequence2>;# B) Z& `, I' q& E" ^ f ^
...
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<statement sequence3>;- [# }7 Z5 r: Q
end;" u+ [: F; L x/ Y3 z4 ~" r4 x
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2循环语句
0 J! u. \' Q: w5 y$ R; @7 w (1) from <statement sequence1>
8 n3 L8 w1 ~7 z* h3 U/ T ~+ C5 X until <condition> loop
D* f# f' p3 B% ]6 k6 I' H& v8 ] <statement sequence2>;
2 G' ` l8 |4 K: b0 D. Z end;; }4 G, S: q% t6 h: ^; M! d; U
(2) while <condition> loop: j; l6 ?; A S0 L$ M; y- I
<statement sequence1>;
/ ]7 a: r, ?# f) U0 ?$ o" j end;
6 d- f! U0 L/ C: C0 R (3) repeat
+ H) I1 c' T& U4 R <statement sequence1>;- J7 I; M. Q5 w% o+ B* U
until <condition>;
1 m) S7 f) H3 L6 D& H' j% k (4) for <condition> to <condition> loop
: }! Q1 z- }! \, @ \ <statement sequence1>;
8 ~. r, k( y; `3 W: \ next;
7 d1 X% z5 T7 g6 |4 Z3中断语句5 Z& C6 A4 [" w! u- I% _
waituntil <condition> prio <integer expression>;9 X" v4 T6 u7 T' L+ b
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以上为常用的函数！
! |$ b# N. }+ ?; x+ G还有很多，如有需要我把资料发到你邮箱里
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