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发表于 2012-11-13 08:48:12
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1判断语句3 j: B* y# ?& S9 @) p0 [) \9 A1 }
if <condition> then8 u3 d4 \0 W+ {$ f! O
<statement sequence1>;
/ {: H4 W% p) C, G: @, b' o elseif <condition> then
9 ]0 [( k$ T/ V, @" m0 l <statement sequence2>;
% @0 {. d( j* H else
8 |& N3 b+ @/ K6 F+ V <statement sequence3>;
: {( J# _' J# p: x* R6 _ j end;. W: v3 i& r4 {; W; v+ Q. `
如果分支比较多，用：# w2 G3 x8 X, A9 O- ~
inspect <expression>
" A. f9 b6 l& d. n5 R: X2 G! P when <constant_list> then
+ h2 q! n' C: k) ] { <statement sequence1>;
/ h ~: I6 F' a when <constant_list> then
2 K* j- }; O5 r9 Q. Q" D) S8 I" n <statement sequence2>;9 H& ]3 _* X' O* v) ^
...
1 C+ {! u% m v4 | else
2 M& w [- }0 f <statement sequence3>;; Q s$ ~$ n8 G% j7 B8 |
end;& K! _: r! E; L0 T
" S, n! R C7 P4 _" {8 ]; p2循环语句- M" c7 B9 Z |
(1) from <statement sequence1>6 E d4 ~+ p! f: j8 }0 y. l# U, ?1 s/ o+ B
until <condition> loop9 l, p k/ C J3 F8 k# e) E4 f) F
<statement sequence2>;1 I1 J6 w& f2 ^
end;
- P6 v! m0 H- [1 J- z (2) while <condition> loop/ Q7 {& k- m5 ]- F
<statement sequence1>;
5 v0 P+ A) I% I. z0 T1 o" b+ \ end;
0 Z4 M4 Z& \4 m' n ~- W9 `, i (3) repeat
6 G- {( v; F9 z5 L5 X <statement sequence1>;
. ~4 m& t. N- z/ G until <condition>;6 O- m8 Z5 R# j7 ~ a
(4) for <condition> to <condition> loop
3 ?% t/ g/ }- l9 \; M <statement sequence1>;
1 y( M \5 |8 P+ V3 { next;2 p* @; X# v2 a- q0 Z- y- B( c# t
3中断语句# b" t. e, J) \( l% I% o
waituntil <condition> prio <integer expression>;, q) T1 M7 m1 W( P* O; `7 E, M$ y
& @9 i2 F ^! P7 s% r; y6 [! k0 Z! ]/ c9 o0 t
以上为常用的函数！
5 m2 J* F2 r' q5 ^还有很多，如有需要我把资料发到你邮箱里 ) _) B ]" x" {0 P
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