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发表于 2012-11-13 08:48:12
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1判断语句
/ _+ S/ d3 Y: j* U& t if <condition> then8 X! V4 ? C$ M( b8 g
<statement sequence1>;! N$ {$ F$ X) \* j5 T$ W: @; I0 P
elseif <condition> then- Z/ i% T* m3 j
<statement sequence2>;
+ ]$ K6 _( e9 @2 _% I3 k else ) s" W3 e$ h; B7 b
<statement sequence3>;
- S; ~/ e( c7 z4 k& t8 D end;$ t! x9 V- T! A
如果分支比较多，用：; ^) N! o, ?8 c: S
inspect <expression>9 q3 L3 R8 M7 p, |7 F* a
when <constant_list> then2 e4 c# C6 D8 i v
<statement sequence1>;+ `! J; d" W l7 C* x
when <constant_list> then
7 b5 t5 z6 U# L2 i* L3 B, V q; H <statement sequence2>;
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else
! E$ L* P5 H7 H/ m& X' v Q <statement sequence3>;
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2循环语句
# b; H- @; z9 s5 w9 d (1) from <statement sequence1>
' P3 h$ s! U- T: |. _0 R$ h until <condition> loop7 k! h4 D; D' S% L# m; K. a% G
<statement sequence2>;
7 S: A1 z6 a3 \% c* R; T end;
9 k7 j" t7 i( J (2) while <condition> loop% {* B& l6 y( Q% |$ I& z
<statement sequence1>;
4 S( ]0 ~# b6 E8 l+ E" l end;
0 @- Q1 ]& |/ h1 h0 V (3) repeat ( l5 w! Q/ }. Z6 n) M% s1 {
<statement sequence1>;5 Q( j2 V1 _" X d5 V
until <condition>;7 U& \6 o4 t* [+ A9 X h
(4) for <condition> to <condition> loop
$ o- l2 \- I1 N5 { <statement sequence1>;- u: H N- @' c! Q- z E( h; m
next;. b, v8 V; r( @
3中断语句# ?0 X7 a0 D* \! B' L) F* H
waituntil <condition> prio <integer expression>;
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以上为常用的函数！; l3 {% N( @- {! ]& W5 B
还有很多，如有需要我把资料发到你邮箱里 , Y3 G' a' o5 a4 q/ V
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