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发表于 2012-11-13 08:48:12
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1判断语句4 S( K% v9 @0 y6 S
if <condition> then) C3 V8 a# b# m7 v( z4 G! w
<statement sequence1>;9 y$ {% Y' ~0 }3 w! }: N
elseif <condition> then, n3 E7 t* V( R8 v
<statement sequence2>;
( K' v+ |* k% E1 z. M5 a else
$ \* i3 ?6 P9 X, X2 k <statement sequence3>;" @0 \9 j% O4 M$ _: C
end;
9 T1 g; |1 ^. I2 r9 M如果分支比较多，用：
# ?" g5 h! A" G7 Y8 b inspect <expression>% q/ e0 w4 T) j8 e6 j6 m
when <constant_list> then) a6 y* ~( p) Y" W ]
<statement sequence1>;
5 k" {% l' u) J4 \1 q" z; n$ { when <constant_list> then
( e4 P% v( Z& I1 W2 _0 \ <statement sequence2>;
* [5 G; w3 z# L/ M1 A: E! N ...
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<statement sequence3>;7 Y ?: \' q; c2 z. ]; T. U3 U' i
end;
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2循环语句
+ p, t' B. c) u* ]# _7 V1 a (1) from <statement sequence1># C% z' R% M8 F: o; f! o* s# N
until <condition> loop
4 B- B \- |" J% Q8 ? <statement sequence2>;" o0 Z6 _; N( R
end;
1 ?% m3 @( w/ y$ l (2) while <condition> loop: V0 a; ?; n0 e; w
<statement sequence1>;
" {% g. ]( _( G end;
! K6 O3 m: r) V- J' g (3) repeat * F. x" E4 V0 A/ Q" i
<statement sequence1>;& n9 j1 N' ^4 B
until <condition>;, {: ?- H! Q% M$ @* w, W* t5 j* ?/ [
(4) for <condition> to <condition> loop+ W( q6 w! I" V% [- o+ [- K
<statement sequence1>;$ \( v2 S& e: C/ K: @
next;
# k7 D* x/ w% ]+ C: v7 A0 F3中断语句3 _# q1 W* r& t1 ~7 x7 w5 a- M
waituntil <condition> prio <integer expression>;6 |! D+ {# P* Q9 k6 {! h, }
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以上为常用的函数！% \" y+ ^( I; _: Z5 n7 D" R) G
还有很多，如有需要我把资料发到你邮箱里
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