|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
m$ e8 y8 { t) {. s' j if <condition> then- t* h# c1 ]$ n) P
<statement sequence1>;# s& u2 Q5 u5 }! v3 T+ u# C/ ]1 P+ h
elseif <condition> then% g3 i3 @! F I* {9 o8 R* ]2 O
<statement sequence2>;
2 y0 _% T. {. _' a- j; b else
4 z# _: P. g" C3 ~ <statement sequence3>;4 g9 Z- l. i; y* K
end;; _7 o' z/ @3 p8 Q) n4 S2 M2 S
如果分支比较多，用：, H1 w1 D( }& M- r) W
inspect <expression>* W& Q" s* g K+ P5 |/ r9 A
when <constant_list> then
1 ]( A& |1 z1 H& U/ \5 E4 D <statement sequence1>;
6 |# E& R! y2 W0 i when <constant_list> then
; q8 o4 h8 ~2 Y! U <statement sequence2>;
4 C# _ N7 ^! }- H. P8 ?: s ...
3 v- d5 N! {0 a' h& Z else
$ L3 w- n' _+ |' W q <statement sequence3>;) v; @- B& u9 ^3 i( u
end;
* ~" D# W3 a0 u1 C
' {" u9 Z" a7 g# n, J( C2循环语句
/ Z" P* _. n# ^) Q (1) from <statement sequence1>
& X& J3 S2 f6 l1 e until <condition> loop
8 V o+ f( ^8 N, a' a7 H( k1 j- J! y <statement sequence2>;
, L2 j: o( X( s ? q end;
5 r! O2 J4 R& e1 k* d6 m& p (2) while <condition> loop$ W5 @; e3 U/ R
<statement sequence1>;
* i! x$ z" G/ c0 k* | end;$ u0 R: o4 l& [7 L
(3) repeat
" I7 [7 f' c0 V: g6 e5 ?2 k; {$ w <statement sequence1>;
' D2 \6 M# d" _) T until <condition>;
" `7 A! o+ S0 {; c7 H' y (4) for <condition> to <condition> loop
, @6 l$ r7 ?( B# z <statement sequence1>;/ t' r& m! H3 Z
next;5 [1 [7 t$ { i
3中断语句# a' {$ X" `# _7 g" e1 @2 `
waituntil <condition> prio <integer expression>;: x; u8 A# K* z
: d+ X. i4 \1 `7 J
. Y' m7 M5 J* r6 t- ]以上为常用的函数！. l5 c3 Q7 s( l" \6 j) x4 U+ U" K8 q
还有很多，如有需要我把资料发到你邮箱里
! k2 a# Q4 r3 L4 ]6 L
& b+ |: V! ]* S* a6 f1 N- \
k. {1 X2 z2 x$ M+ @
( \2 m% U: v9 a4 B3 R- D* K' u
+ N4 W& u9 A) l" R+ k# y3 d7 v& G5 ?0 K! |3 X& C
8 g9 j# o% Q- A2 P- N- M& Y4 Q
( ?4 k, o9 V, |
$ A$ _+ i. w# @" G( N
7 u# \2 X# p1 Z( y* l
* \/ c, m7 n8 K/ p3 T; R; D# z |
|
[复制链接]
