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发表于 2012-11-13 08:48:12
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1判断语句4 f, P2 S3 R7 M8 t/ `; W/ L
if <condition> then
7 b4 ? ^9 c& [+ [0 H8 B <statement sequence1>;
! J( g9 U; A% q7 _3 _# h' \* I elseif <condition> then
' b1 S4 \6 H+ D# y- v2 R) k# P2 X <statement sequence2>;
0 I. B5 A8 h$ z( j; b, f% C else
j# N, A2 z& g: F <statement sequence3>;
0 f; _+ [7 M; o end;/ s. ~8 v# \7 `% H) j
如果分支比较多，用：, o: E. _& T, K3 t
inspect <expression>7 V6 ~* e8 S2 G
when <constant_list> then$ M; E% p& {" ]' T7 Y% Q% e! M
<statement sequence1>;, m( G3 ?7 r# K) Y# n) E: G8 `8 A
when <constant_list> then
4 v/ K+ n' H2 Z/ w l! S <statement sequence2>;; L3 a8 V6 y. C1 c$ Q
...
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<statement sequence3>;
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# B" p1 S9 X# x/ j2循环语句
6 l' O0 d$ Y1 K2 f6 M (1) from <statement sequence1>1 ~: B: H3 H7 I) c
until <condition> loop4 L( z5 J( O) m2 }" H8 c8 Z
<statement sequence2>;
1 C1 v8 c; B7 ] Q! | end;, ~8 R5 l+ X6 F8 y8 l v' I
(2) while <condition> loop
& q$ w! r: N+ r" x; v$ O( ^ <statement sequence1>; ]& Q1 s# p2 Y6 U* d2 k0 ?
end;& N" o) F" N) X$ b0 V3 s- S
(3) repeat
( N% R; \. s' P5 y+ R! ~ <statement sequence1>;4 G+ C# `6 k2 q( G" `4 ^, y, d% b) P
until <condition>;. M( {0 b* s, e) O/ x$ u: I) [
(4) for <condition> to <condition> loop
0 {# R$ s) G; f8 |. [- R: o1 r <statement sequence1>;
1 ?0 q4 _" D( i0 W0 Q& l next;" c9 Y) M7 Q: b$ F! j
3中断语句3 ~* q1 Y& K3 u0 U; T5 H( l. @
waituntil <condition> prio <integer expression>;2 I# R, _( k- m! p+ p
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3 D) A/ C+ d; F5 R6 V以上为常用的函数！
; m( f6 ]$ \6 S7 ^) ~& ~还有很多，如有需要我把资料发到你邮箱里
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