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发表于 2012-11-13 08:48:12
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1判断语句; b& p- o2 }! j- Y
if <condition> then0 v3 K- E+ @. }% l3 Z" x$ M1 I3 I
<statement sequence1>;
2 X' c' e) L! `! F& W1 a1 n elseif <condition> then
$ c% w0 _/ i9 f5 K" L. \: N <statement sequence2>;) R! n! I/ ?) k3 x" e6 `
else
7 A0 ?) n9 B7 J <statement sequence3>;7 C5 e1 g' P( ?# D" o
end;
' [/ z* \. x; w如果分支比较多，用：
( M# K) O- q7 _" l$ z/ N1 `# d inspect <expression>
6 b$ F) M0 _+ P* H0 w" w! l when <constant_list> then
h0 o/ D2 O4 y/ h+ I* A6 J. h <statement sequence1>;
# r# `1 o: s9 x3 p when <constant_list> then
" J- F2 K" s7 S <statement sequence2>;
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else. c+ r+ ]( `7 }
<statement sequence3>;
" e. H9 B0 e, ?* k: }* Q0 aend;; y6 M N' `( [$ `0 K0 I
. B: `/ |) Z4 z: r# T2循环语句8 L# }1 i' W) H: \: l
(1) from <statement sequence1>
8 y' e8 n9 P& J% n* t) C( e8 x until <condition> loop- C3 k1 _8 M7 M1 T' P9 f5 i
<statement sequence2>;
! I7 E0 ]5 O; F! P/ U end;6 d7 u# s) j# g) v4 R
(2) while <condition> loop) y5 E& M4 X6 U* }4 a& } \
<statement sequence1>;7 [# P% q, Z+ R' ]
end;
! }! \* F! ?& c w% r0 l" P (3) repeat
0 x7 Y, A7 K' S6 d, n* y# V <statement sequence1>;( i4 c% x6 O9 h
until <condition>;0 O" N9 U9 H/ U" \/ Z# w/ p
(4) for <condition> to <condition> loop' v2 a# [2 H: A; W% n/ ]& X
<statement sequence1>;2 i H- i4 X% g# a* G* @) W, D: {
next;
2 k6 E+ {; n9 @3 n6 Z& B; S5 g3中断语句. W4 v8 L% v: t& |' R) e% d% A2 ~
waituntil <condition> prio <integer expression>;
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. O0 @. Q7 \. S; m
以上为常用的函数！
* v# L/ U( S7 e% n# g还有很多，如有需要我把资料发到你邮箱里 3 H. Q& E- n) p
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