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发表于 2012-11-13 08:48:12
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1判断语句
/ y0 R4 J$ L' U6 { if <condition> then! g. E3 y% n' ]4 o: Y
<statement sequence1>; H$ Y; r) V1 D% C
elseif <condition> then
' W' A/ l9 v/ ` <statement sequence2>;
* x1 S6 k; _* ?; B/ q4 K! b: i* H else 2 g6 x) z2 d w2 C
<statement sequence3>;
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如果分支比较多，用：
# ^! _$ s) x1 i: h$ H: h9 Z inspect <expression>
( `$ D+ J) b! w# [) N4 _9 I when <constant_list> then
6 Z) e. j! r8 O' G <statement sequence1>;( o: J9 T* o/ g( B8 O( _
when <constant_list> then" r }, E5 |3 T0 m7 o
<statement sequence2>;2 h$ K* a$ I2 v- `: u
...
, e- k" N# i3 ^! U" d else
" W! j% h/ K7 J( b <statement sequence3>;
. L6 I% G& M# l; ]; U0 Cend;
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: r! G5 x3 I/ g2 Z; q2循环语句* | [2 K* {( G1 X
(1) from <statement sequence1>
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<statement sequence2>;! O. y6 \3 k1 C& J) o9 N# v
end;) i4 \0 a0 M* N( i' X6 U
(2) while <condition> loop0 l0 { t# ^: q$ d% }- }$ G
<statement sequence1>;" ]: X% o( p8 p: i2 K. i) e+ m& |3 H
end;; \" Q' M$ Q, G! o5 ~: H& m
(3) repeat
( m0 d, F- H6 t8 }) u <statement sequence1>;
0 d: z6 a* o: B) M9 k+ ^ until <condition>;
7 }% v3 {- f3 N/ \ (4) for <condition> to <condition> loop9 F( e4 Q/ W8 w, } I! |" G6 P5 v
<statement sequence1>;* Q- u/ Y& C4 q6 `6 O# d# H! H
next;
0 H/ q( M+ F" c' w( p( q2 i3中断语句
+ n g, m8 @$ D1 ?1 C! c. x waituntil <condition> prio <integer expression>;' h$ I$ b& e/ O% S) |9 S
( @7 L. e/ F6 [, v; `% a0 S
3 X. t* N, I5 q& x1 l以上为常用的函数！! m9 \! m7 q& T" U8 {& |
还有很多，如有需要我把资料发到你邮箱里
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