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发表于 2012-11-13 08:48:12
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1判断语句
1 t0 U w# A+ J5 J" ] if <condition> then! [8 B1 U0 O/ I5 W! ~$ l8 g
<statement sequence1>;- v1 O( ?- P% e; R7 b
elseif <condition> then
" A8 |5 T+ f/ B" ~$ m! e' b <statement sequence2>;3 [. {! I y! }2 g& L# [
else 2 y& K% c5 Y! D# m3 ~; K% |
<statement sequence3>;5 T6 y, U+ H: |$ e) h$ f. ]
end;, G5 J6 {" Q# W; I6 J- O
如果分支比较多，用：. I4 q# k' Q2 a" Z0 ]0 W I k; `# G
inspect <expression>
2 e3 F8 M6 d# Q# A! e. h when <constant_list> then& o( x( t; l% }( Y7 x
<statement sequence1>;
, R8 o6 A; u: _ when <constant_list> then5 O6 Z$ R& G( R) }- q
<statement sequence2>;
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else
: p, i* {3 E2 M( J. s <statement sequence3>;
$ \# e6 }8 Y+ x! gend;
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2循环语句
; G( f" W8 I, X t, c) f1 y (1) from <statement sequence1>3 Y g/ M3 ]2 c: G$ Y9 Y# G8 A# }
until <condition> loop
, R y$ C2 I' a, e% m <statement sequence2>;# l$ Y) L s/ J4 m
end;
: B, i% R1 _8 B# n1 K6 | (2) while <condition> loop
9 ~* N9 k5 a* P* k9 s+ L2 ^ <statement sequence1>;: \0 f6 d5 [% I3 x
end;
7 V" r) r( F9 O; L# E9 K (3) repeat $ j: N( I# v L y7 s" c
<statement sequence1>;
' [4 }( ^2 v% I/ Z3 {9 ^! T until <condition>;
# ^( i* j, k2 W/ s0 m* d; L8 b0 G (4) for <condition> to <condition> loop
* w' h; E9 U0 z" d) H. r2 x5 [ <statement sequence1>;: [/ ]0 l& D% P' g
next;
/ }! P5 D* k! }7 B% m7 Q( e& Q! S. K3中断语句 Q4 w& y: b. k) u
waituntil <condition> prio <integer expression>;
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! s1 w; F8 p0 s4 Q以上为常用的函数！5 N/ q" x1 O+ o, o, V
还有很多，如有需要我把资料发到你邮箱里
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