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发表于 2012-11-13 08:48:12
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1判断语句 g) X% k2 b- U, V
if <condition> then
0 w0 V. j3 p! N <statement sequence1>;
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<statement sequence2>;
# p. E+ ?$ P. y4 g; q0 z else
, s; C4 ~; G" V* X+ _ <statement sequence3>;' @3 o8 j% Z3 q* Y; E! r$ n
end;4 Q( H2 c5 z' [
如果分支比较多，用：# k; a& _' g) j0 f! ?& D/ q
inspect <expression>' _& E/ s* @) Z
when <constant_list> then0 q0 {" {( z4 }* r2 T9 c
<statement sequence1>;' g0 K5 E- e) B6 A- v
when <constant_list> then& r1 a5 H, m5 Q7 x1 k4 A4 ]" ~9 F
<statement sequence2>;6 N [6 ^) }! n9 l0 }& n
.../ d* w/ {, H7 o0 m5 G% B# M
else. @& D( g4 i; z5 i
<statement sequence3>;$ Z7 s3 u8 h4 v
end;
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% u( d8 Q4 E* t* |3 y2循环语句 B8 \: b/ c1 |+ L
(1) from <statement sequence1>
/ S5 |* \" G9 L' K% a until <condition> loop
- F# {) ?. A3 o <statement sequence2>;
. k2 {8 x* L0 M6 Z1 k9 Z) y end;; h( O# O# }1 q) `" V
(2) while <condition> loop. x8 p- Z8 o" Q i5 F- Z
<statement sequence1>;' R" |9 [, D- J' q6 k+ }1 W7 @5 [
end;: `: ^: Y8 J& z/ A) X) M J7 \, ?+ ^
(3) repeat
6 M$ D* c$ w( v# f. K% Z8 W <statement sequence1>; F4 H7 p7 j, ?- H7 {8 I* G
until <condition>;
" @( ~- S( k& ~ (4) for <condition> to <condition> loop
; `9 Z- g; x: n# A( V- Q6 a <statement sequence1>;
5 H$ y K, t* p- `. N" I/ l" g next;
- ]) Q. U. V3 O3中断语句
) I0 X X) V9 [ w4 x* Q8 E waituntil <condition> prio <integer expression>;0 X5 G: q$ j8 ^$ q- K8 S; @4 I
8 @9 c ?' b7 ]
* s; d& z7 ~1 \% n6 M. ^以上为常用的函数！: l8 O/ Y! ?9 H; K& q
还有很多，如有需要我把资料发到你邮箱里
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