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发表于 2012-11-13 08:48:12
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1判断语句
- I3 B9 O2 |/ L$ w2 d4 B3 X if <condition> then) I3 v% Q* Y# P# g; C! P
<statement sequence1>;
" M* {5 L+ @, _+ H elseif <condition> then/ D6 S9 j) y( b% T( Y
<statement sequence2>;
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<statement sequence3>;
$ Z9 B! ~! q3 A$ ?3 ?# O: K+ L6 s end;
9 J" c V$ ~+ j: d如果分支比较多，用：1 S# E+ f" l1 M3 T7 @
inspect <expression>
& o) ], Z7 `; l' H6 U4 p when <constant_list> then
9 K* H! M3 J+ Q; w& f0 F z <statement sequence1>;
/ s9 p h0 s" Z0 S* I$ U8 r. [3 y& ~ when <constant_list> then+ F$ x4 N! u; X5 e" X
<statement sequence2>;
2 D( B ~2 |3 i2 @ ...
# E+ z$ U0 C6 x else
1 A V+ I" G+ I; [, e$ G& ` <statement sequence3>;
- \ t; x7 e5 b2 H% jend;
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5 k: C4 E2 ]1 u7 i8 m: m2循环语句, z9 [/ T5 [* d' K) o' Q: c
(1) from <statement sequence1>
6 K9 `1 V$ k; s! G1 P; b$ h- U until <condition> loop; [$ m1 Q2 c( [
<statement sequence2>;
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(2) while <condition> loop% a0 F7 U4 C# w! w; V# t
<statement sequence1>;
( [" D" Y1 y0 n1 h! |! T' _ end;
* `& {" _6 o& O# a$ ]" F h (3) repeat
) a9 Z0 A+ {- W( @" ]/ K) m y <statement sequence1>;$ C( Y7 e) c5 g6 N% w
until <condition>;
M# u7 n4 e5 ^9 \2 f2 X" s (4) for <condition> to <condition> loop
' B0 x7 b6 x3 O3 B4 m, y) x <statement sequence1>;5 t: j+ V" e; @1 g
next;0 @0 u; {0 v" k" y" k
3中断语句
1 Z' T# k3 `8 { waituntil <condition> prio <integer expression>;
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* p4 G$ G) C, d; l8 b ~3 o, b& e, [# t/ T$ D i; A
以上为常用的函数！
9 c/ c- B* a& Q4 d$ _1 M- c% k还有很多，如有需要我把资料发到你邮箱里
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