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发表于 2012-11-13 08:48:12
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1判断语句9 P8 c" |3 K1 n8 V
if <condition> then
! z& W7 J- I. B+ a <statement sequence1>;
9 U7 R9 g e& C* {4 V/ H2 d elseif <condition> then2 Z% `+ D) f3 @. ?* ^( i
<statement sequence2>;; _7 X6 B* \. a7 q8 |
else
# o3 T3 I4 O9 U/ d0 f! s <statement sequence3>;
" d* B- A0 z/ K& L9 `1 E7 j2 | end;7 O* ?6 F" Y$ \" }# I
如果分支比较多，用：( ?% k3 Y4 h T) p( o$ H( r* O% D
inspect <expression>% q6 {. v6 \+ S( S, T2 E% u
when <constant_list> then1 @4 n# {( X6 o& p& ?1 {
<statement sequence1>;
3 H* V1 O1 Q. o: S& d8 m8 b# \, g& v when <constant_list> then7 S E4 S1 |/ @: c
<statement sequence2>;
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else
0 |( A9 {5 I4 C1 U1 F <statement sequence3>;) t* c! C0 }6 H
end;" M2 `1 u$ q$ V3 f# o l% x
+ Z) a7 C, [& ^, H5 B2循环语句1 t. Z' r. d& ^4 w3 _
(1) from <statement sequence1>0 J: O+ H) x/ K# W* x4 a' M
until <condition> loop
8 q4 z$ C7 a! q1 k <statement sequence2>;+ S& l% ~% h! U4 P5 ^
end;
, y& g% c: S+ c/ K; M, Z& H (2) while <condition> loop6 s( |; K {. b4 m9 e# F( a2 e$ T
<statement sequence1>;
/ K( R ?/ a+ ~7 b8 X* r end;
. [- y1 ^. d0 B; q k (3) repeat
4 d" e& N- c8 M7 ?/ f: m <statement sequence1>;, \6 u& t5 R9 b/ a) S
until <condition>;+ N* S) a7 M- O1 J% W! y
(4) for <condition> to <condition> loop
5 C# y/ b k1 P k/ T" Y( s7 E <statement sequence1>;* J' M, h$ I% {9 W
next;
) `9 J& s8 ]2 I3 X4 o2 C) o3中断语句
2 n2 h7 z; `/ Z* C( K, f9 v waituntil <condition> prio <integer expression>;. Q( p6 F9 e: l5 o1 R
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以上为常用的函数！
: {4 B# R3 y. X& v还有很多，如有需要我把资料发到你邮箱里
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