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发表于 2012-11-13 08:48:12
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1判断语句8 H U8 m q1 i9 M5 R. H
if <condition> then
2 }5 _) ]1 h; Z( G1 A) U0 s <statement sequence1>;
2 E3 i- j S% W- P: \ elseif <condition> then1 K7 g& Z; L, F& l `' H/ ?
<statement sequence2>;5 V; S( v, u# M, t. C: Q, b
else ! `6 C" m& Y9 ~
<statement sequence3>;
Z/ h! n. I: r( F8 m4 I) ?1 ]# H end;- n, V8 K9 ?% d: i: \2 q4 m
如果分支比较多，用：8 ^+ y: @. s9 @2 ], s2 B
inspect <expression>5 C0 U+ A" s' ?2 z# t, \
when <constant_list> then
D2 v3 e+ p3 H; F7 l <statement sequence1>;: T! w- a' e2 G+ e. s
when <constant_list> then3 p7 E1 B+ e9 {/ N: V& r9 P6 w
<statement sequence2>;! ~& A3 w" d* t
...& `: X' I' d* R- O2 o- u
else" A2 J4 }# [" Y$ @4 \* b: g
<statement sequence3>;
$ F4 k: T; m0 f! a rend;
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2循环语句
% y( x5 j3 N4 j+ B (1) from <statement sequence1>- j6 k$ ~$ W( z4 U
until <condition> loop
) v* z+ X! J. @1 L4 P$ @ <statement sequence2>;
+ Z& V' k, F& t. r. C end;
1 U8 e0 N; A( r, V8 A7 E i (2) while <condition> loop( j+ P; ]5 T: Y
<statement sequence1>;
! y6 d, M/ N( s1 z/ {2 p# x% |* ^ end;
3 t* Z' R& r* a1 F$ K$ J (3) repeat
: J/ h7 r4 C% W4 |( a <statement sequence1>;" u6 f) `7 {( R
until <condition>;7 r; a/ m1 O" l$ K
(4) for <condition> to <condition> loop
0 d' ~4 b4 g0 U1 r& T <statement sequence1>;- Y% N7 k. y6 s# P. \* }6 S7 k# I
next;, [' I3 O4 }3 q: I
3中断语句6 G, l- B! r# \+ d1 A& |, X
waituntil <condition> prio <integer expression>;1 @0 A$ Z8 {- @# `2 i3 a
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1 z/ o0 M2 {% @# h/ K) }
以上为常用的函数！1 s N. w& |3 V s3 o/ X: y
还有很多，如有需要我把资料发到你邮箱里
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