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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
& A% P# g5 h1 { if <condition> then" J4 Y8 b: V5 W; H( A% k! d% w0 B
<statement sequence1>;
9 V. t, j: S2 g2 e elseif <condition> then; _2 I4 i- g" ^& P
<statement sequence2>;4 l* z. l8 C5 M& `- W
else
; ]6 W3 Q3 `- r <statement sequence3>;7 f% i% l* {+ }0 E
end;
* ^+ K- O, X# z4 h S! j如果分支比较多，用：4 q# g3 Q9 ]7 K
inspect <expression>9 {* [' m* ~% J& T% S; o- A6 u4 s& O0 r
when <constant_list> then
8 w* G, j3 ^8 s <statement sequence1>;
" \+ T4 e J3 w- \) [1 O! v/ W# N when <constant_list> then
# D7 H, M+ e( o: l% _ <statement sequence2>;
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else
' k- ^/ f) M9 h5 p- G( C0 J <statement sequence3>;# |1 [4 A; \# m3 N6 X1 w
end;
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2循环语句
, Q; J* @5 C. Y8 Q1 X$ d (1) from <statement sequence1>
* E6 c! U* m) d" I until <condition> loop6 f" j7 l$ r5 i' T! t2 H
<statement sequence2>;/ j! @2 C5 n7 M, {9 f/ j5 l5 F$ {
end;
4 j! o. D# F3 s" E( v/ G, O' r+ H (2) while <condition> loop
+ V/ S. \2 }$ u0 f, m <statement sequence1>;0 A% g0 Z. E/ _
end;
+ {1 X+ j& {/ G( O% P (3) repeat
" B/ L. y% l, U# S. c, u- H <statement sequence1>;
6 [( P& g8 e! V+ H until <condition>;
, [0 J! f" e5 q9 A8 J$ ~ (4) for <condition> to <condition> loop
1 O! \* H$ f& l) U; Y* w( K <statement sequence1>;
( v" z# x" X3 x7 Y next;
U0 [% V1 J2 s/ d/ q% `3中断语句/ o) S0 n: p+ A H
waituntil <condition> prio <integer expression>;) e$ i4 I4 h2 e) P' }
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以上为常用的函数！6 n0 `; V. i1 H( f: s+ Q
还有很多，如有需要我把资料发到你邮箱里
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