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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
`- p- L; C6 O a; e" K if <condition> then# y9 G/ p- f; a" H# m
<statement sequence1>;
9 m% W& D. z4 m G/ c1 r elseif <condition> then
! X" h ~5 g' W+ |3 t& K <statement sequence2>;
. |4 I9 d! m t& [. r else ' ]- O% x$ Q. k2 Y1 H
<statement sequence3>;, r$ ~ ~/ H- t7 `, t
end;
, a9 J/ Q% u4 I' v% U3 I如果分支比较多，用：+ O m9 _- V4 ]; R. x' Q% i
inspect <expression>
_9 ]' j! i( Z' U8 ^3 u! `1 K7 ?3 w when <constant_list> then
: U) h/ W( k" O3 h: d9 J; O' D <statement sequence1>;
: V2 \3 A! A" r% j1 a8 U6 I0 T when <constant_list> then
' ~/ N% f; ]3 P( A+ p( f6 E( J <statement sequence2>;
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else
* x+ [& A8 d' K6 l <statement sequence3>;
9 j; H8 |% E6 z, mend;3 Y2 ?/ ^+ }- z J# j' R' [
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2循环语句
( L+ ~" j2 ?3 Q; j (1) from <statement sequence1>
/ P4 j) K, A9 w% e! X ?- C until <condition> loop9 J1 p3 |# H( b9 T4 J( J& b+ @# A
<statement sequence2>;" r: \; P# Z$ d$ F8 A
end;
% K! ^/ I! f/ q( }' c+ K5 } u* N (2) while <condition> loop/ m8 C2 B) j; r+ g: b; U
<statement sequence1>;5 i% |, Y2 {; f2 s/ J
end;1 M) w3 l0 S" w. u. Z, V) U* Q
(3) repeat - z8 G# F0 [; R* r' M# | m" {
<statement sequence1>;
/ B+ @$ Z1 [" v- ~( d7 i' P6 m until <condition>;
2 W) h9 p! o0 J (4) for <condition> to <condition> loop S) F/ |' [3 z+ b. Y% s& a: A. p
<statement sequence1>;
' o8 ?* a% y0 }" a3 O2 G+ B# N& A next;4 m" J0 A/ b" s
3中断语句
7 z7 b2 k H2 T" F& g- r6 D! ^ waituntil <condition> prio <integer expression>;+ \3 a2 \4 s8 a4 h
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以上为常用的函数！9 s9 F1 }0 n! O
还有很多，如有需要我把资料发到你邮箱里
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