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发表于 2012-11-13 08:48:12
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1判断语句8 D4 H' r' P7 [6 {9 P/ I
if <condition> then
5 M, a! \: r: Q! H! q <statement sequence1>;
) l8 L; \3 k7 W: M. `: s elseif <condition> then
/ O- V. j% ^0 q) H# R <statement sequence2>;' o6 y' n+ }- _+ f2 m5 `) R2 s
else
) q6 q5 |8 M* L# \% o0 D <statement sequence3>;
- ?7 A0 [- x+ |: d0 u, | end;4 n2 [. E5 J, y4 `" i$ ?
如果分支比较多，用：6 L( H( ^. Y0 U8 m1 p
inspect <expression>
; S8 Q5 _3 \7 u/ y+ w when <constant_list> then
. @3 s |4 f3 f* x1 z2 @0 U; f <statement sequence1>;! y( R+ C. z3 V" g) N
when <constant_list> then/ p" P( U, H1 I: a
<statement sequence2>;1 N2 Q. _) G& y% ?
...
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<statement sequence3>;' \# @0 ]$ h( R! f
end;
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2循环语句
5 D0 d9 b' b/ i' Y9 F: P! O (1) from <statement sequence1>
& S5 V8 o$ Z# P7 r2 l9 R9 p$ r until <condition> loop# u( B. E7 O2 p3 |
<statement sequence2>;9 U2 I& o& [3 n5 c
end; B7 J% S5 v- W; i' c, w4 w
(2) while <condition> loop7 {- ?1 X8 K }. C& J2 X
<statement sequence1>;* L# }& ~1 m& p& |( |3 @
end; q% e, p; ~/ ^* p
(3) repeat 6 ^( l% C- S5 p) c. G3 \4 V
<statement sequence1>;
9 v4 s2 p y1 P5 b until <condition>;7 F4 y. t. @4 t+ L& |. ~) ^
(4) for <condition> to <condition> loop0 t" ?( ^9 D) z3 J
<statement sequence1>;
/ S# C0 c9 j. s/ T# U next;
- ~1 V0 [5 D, m0 E+ t3中断语句
( ]0 Q" I9 O* a+ v+ _; a' O$ O: Q waituntil <condition> prio <integer expression>;9 g4 m* c. y4 o' b2 g4 b7 w
" ^) L+ x9 }( p, ?
g8 g4 F1 n/ P8 |9 k5 J C以上为常用的函数！) ?) ?4 F' Q! P- A/ w7 }, O2 z, N" Y
还有很多，如有需要我把资料发到你邮箱里 2 b s% N7 I/ W
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