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发表于 2012-11-13 08:48:12
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1判断语句$ A9 b- T4 ?9 C6 k, c5 ^9 X
if <condition> then5 o; ^+ o% j) x7 y- [2 G
<statement sequence1>;+ e/ z5 j5 j8 v. z) v0 b; J
elseif <condition> then/ R5 O8 N7 j6 @" Y( v! P
<statement sequence2>;
; ~# y$ @0 O: S9 ~8 n" w! H2 v else # _& P4 A5 t' I( _" Q7 k) ^2 w
<statement sequence3>;
% e2 G6 {/ P+ c. m6 s end;+ |, ]' j# }- y' |. k
如果分支比较多，用：
% G$ F0 x' }+ K8 A inspect <expression># K) u" W/ }* h1 Y
when <constant_list> then: P6 z: }, r/ n7 a
<statement sequence1>;3 i% r. P( D4 l, x
when <constant_list> then
, b- U% K: t O <statement sequence2>;
! {& k! M' V! x/ ^ ...
z0 w( `3 [/ c8 f* U! L else! Q' [8 W- P" H
<statement sequence3>;* C9 C+ J' h2 w* i1 f9 f
end;
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! ~% T6 r# J: f% F+ w: o( _5 z2循环语句0 N' `$ |- o# Q+ }
(1) from <statement sequence1>4 p \" w" T9 g& a9 c" j' P
until <condition> loop
1 { p) M* m3 N: y, Z <statement sequence2>;
1 h2 s) ]7 x2 P! w end; D- `" L, N: p- A- v3 E- O8 j
(2) while <condition> loop+ y5 }( J6 V& n
<statement sequence1>;8 W. t5 F# o3 w$ L* H) f2 g. `& N
end;; r- ^5 x+ K% R
(3) repeat 5 e5 V! e/ [! b# H$ ]' J
<statement sequence1>;1 a2 j, t* Q- a
until <condition>;
2 l1 B) [+ S! K5 C (4) for <condition> to <condition> loop1 G/ o& A" ^; e6 L( V1 [$ ^. v
<statement sequence1>;- h F+ x( T1 {2 {/ H" R
next;
x4 T# X9 @4 p) \) S9 V3中断语句
" F2 Q5 H& S. q' \+ F$ f4 L waituntil <condition> prio <integer expression>; r' c3 p, ?8 i0 M) c
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4 v- M* T+ Y6 c$ \/ S以上为常用的函数！
5 P. t5 _! G% T, x3 u0 F% i6 ~还有很多，如有需要我把资料发到你邮箱里
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