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发表于 2012-11-13 08:48:12
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1判断语句" x7 F* y4 p( G9 Q+ R2 X
if <condition> then
2 m) R- h7 ~5 V3 ?6 b% r <statement sequence1>;
3 t% e' s; ?) p' H9 j elseif <condition> then* Q, V" ` c& ^
<statement sequence2>;+ P) [( d" e: N8 f9 \4 c! N" ]$ P0 x
else
8 d. h1 e7 j8 I+ U4 | <statement sequence3>;
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如果分支比较多，用：& h/ ?3 R _& h$ z! v5 l
inspect <expression>4 \8 t4 e3 z; z: b6 n5 O1 U+ [
when <constant_list> then
5 V b+ |4 g' p& G* }2 \ f5 V <statement sequence1>;
4 m9 ^3 R8 h( v( K( @5 O6 v' g$ m when <constant_list> then
1 R& K# E8 u7 v+ V, I2 Q# \ <statement sequence2>;+ E6 }# B7 O) ]+ _# R- ~1 r
...
& e5 I$ W- j# O4 z( z6 h8 n else
! }; ~2 _6 Y* [; s* o K <statement sequence3>;9 n2 I& b- l6 k# }% J1 @1 X
end;. o; D: p$ ^- S; C
/ V" R* }; D' u( x$ ]; h! X k2循环语句
c3 v- d; L. J4 P" G5 A; _ (1) from <statement sequence1>) \* l* A% c! C6 f& f8 v
until <condition> loop
+ K- U6 r& J1 d) p( t. j, A) I( I; ` <statement sequence2>;, f( ~! B/ f5 r
end;5 Z# q' F8 Q& y! v
(2) while <condition> loop- X& `, j* |% h/ r K7 r; f
<statement sequence1>;
s; N+ F$ t. r$ S: e end;" u# c" w# X9 y8 ^8 X1 p
(3) repeat - T; n+ N' e$ v# ?
<statement sequence1>;
$ J7 i1 a3 N7 }8 j% H until <condition>;
# Z$ x& G* v5 V' _9 d a! E (4) for <condition> to <condition> loop8 s* D5 x5 V% t+ P+ t
<statement sequence1>;8 ^. Y- V9 G7 @) d
next;+ S$ Y4 w- j; _! A/ [1 L
3中断语句
9 J9 i5 m% P) ^0 S# _4 b1 R- j; [6 { waituntil <condition> prio <integer expression>;
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* E! @* X' Z" E4 |1 U以上为常用的函数！% }" D3 d2 g8 F/ N
还有很多，如有需要我把资料发到你邮箱里 ) }2 V* [+ x% N( A* d% n/ w1 h. S
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