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发表于 2012-11-13 08:48:12
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1判断语句
+ x! F' }8 O; W9 g* n1 ?" q# N if <condition> then
, l* Z( G: d5 _ <statement sequence1>;
1 m8 w y& X4 L" u, q5 x+ c$ i8 {, [ elseif <condition> then, O% Y% |+ I& f
<statement sequence2>;4 S3 Y& \% S9 R! t1 r! K
else
# i; r& x: Z4 ]9 ~0 C7 H7 @ <statement sequence3>;
6 r# O! V$ }! M end;6 \6 k" h& [/ ?3 s$ p# z9 j
如果分支比较多，用：' z Z* f( @, h/ O6 N. H
inspect <expression>
# v# m7 N5 P5 i+ ^3 _, Y# ^- ` when <constant_list> then
4 I" [2 N/ h9 b/ v7 p <statement sequence1>;, j& z5 X+ |9 H/ p5 z4 y
when <constant_list> then
/ y2 U2 b8 l& J% s$ E$ }' J <statement sequence2>;
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else6 V& |7 H I# j e
<statement sequence3>;9 J6 U% r$ D: @3 V1 z/ a" q
end;
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. F, S0 C/ S, E6 E. Y; E X# n2循环语句" Y! v8 |% t3 D8 `
(1) from <statement sequence1>$ R* X4 Q% l6 A/ l2 a8 I
until <condition> loop
9 b; f. {1 d* ^" F <statement sequence2>;5 i+ F9 P" e9 u. I2 ]7 _1 p
end; m- M! s/ E$ V/ _- V
(2) while <condition> loop
- J; T8 K* _( k0 I: h <statement sequence1>;, z) Q0 ?/ C, R
end;2 J3 G# _5 |0 \! W
(3) repeat
2 b: L' H' e& @5 B" L+ \- q0 g# O <statement sequence1>; n& Y, J/ j, B+ i& [+ J
until <condition>; v/ h4 Q: K* z
(4) for <condition> to <condition> loop
' e+ D' e( L6 r$ X; p& D3 ?$ Q <statement sequence1>;
" y) a2 g; R& G- c1 N; B% y3 w: c next;: S1 {7 L' V( N
3中断语句
5 A _1 x2 |3 G$ \/ p waituntil <condition> prio <integer expression>;
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' @; l! H9 ~: _% N0 k: r/ F以上为常用的函数！9 X' Q, Y4 t! [- l
还有很多，如有需要我把资料发到你邮箱里 $ M1 y4 [! W/ O3 E
2 `6 ~3 n. X9 r7 M. R8 X; }$ w1 P) Q" {1 C- x
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R, l1 P, N0 V" R! _) m3 Z" g1 s6 B( l& T# ^ T: e
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