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发表于 2012-11-13 08:48:12
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1判断语句" J: E4 g# U; r4 A
if <condition> then. p2 K8 J2 g, H W2 L. H
<statement sequence1>;8 K7 P* g& U( a8 j: |
elseif <condition> then
) _; C n, D& h- ~ <statement sequence2>;
' j' ?; j) D! m+ }5 u! O$ U" v else
3 c2 w1 m( s; t, C <statement sequence3>;
: {& ^( j$ \; o; R( l end;
! S0 v- M8 y2 ?9 |- v如果分支比较多，用：2 v4 m* o& B8 r+ G* j4 {
inspect <expression>
: D& h" ?1 ?! \ when <constant_list> then
8 i6 r9 z. ?$ ~3 K0 A7 I7 r3 q <statement sequence1>;1 W1 d3 h, l2 N' G5 R3 Q
when <constant_list> then
9 Y' j1 b4 o9 X- [; G <statement sequence2>;
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else
( V* ?3 x5 w# O' G& g7 Y2 @ <statement sequence3>;2 A+ [! d, X: p% e; y' {- T% u
end;; M' @% \8 |3 Q5 r
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2循环语句
5 c4 B: z, G2 m8 ] (1) from <statement sequence1>, X$ i) }0 c4 m
until <condition> loop" u* H D- i. ]2 e0 h
<statement sequence2>;* j+ _; f/ W" M4 @# E9 t
end;
6 I6 L5 X% T" s5 v- G2 h. L (2) while <condition> loop
0 Q+ V3 c- }4 l+ d" g3 I/ i! b! i i <statement sequence1>;
7 F$ W: U% R* j3 F* ]3 g end;! Y t$ M2 i2 r+ X; \. }
(3) repeat 4 T& [* ?! L; m+ x. v+ v
<statement sequence1>;
# O, |% J6 r, `! h& {- x until <condition>;+ {5 |4 b8 H- ^9 Z' z R
(4) for <condition> to <condition> loop
/ W8 G4 |# Y: ~, a6 g8 r <statement sequence1>;; o+ a' _ F9 v% J F; F
next;
) Y/ R, J0 N/ Z7 F- n3中断语句
& Z% ]* s5 D+ K% I4 o5 o waituntil <condition> prio <integer expression>;
2 G$ @ j+ ?" b# c: q `# T# [9 m) Z! G. w& M
6 ]% u7 ]9 E# P9 s以上为常用的函数！0 O8 L$ S7 A! f0 } Z: p H P E
还有很多，如有需要我把资料发到你邮箱里 8 ?& D$ a8 S. S& |
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