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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
9 u: h5 ]1 |. o( C5 u+ I if <condition> then) x2 ]- S# S5 _1 @
<statement sequence1>;/ X; h, K( C( A, w
elseif <condition> then) ^$ m' v6 f& M$ Z0 j
<statement sequence2>;
; Z$ B& ~" Z+ {) H. O else 6 \- g" j( U5 ?; [6 o
<statement sequence3>;
' G; Z# ]" B5 C5 z" i/ m! @, k end;
4 f+ ^# R E: N# W如果分支比较多，用：' l0 P( ~; R7 `* _) y* O3 j* ]
inspect <expression>8 r4 z- ~( Q3 R5 \1 k
when <constant_list> then2 d) g/ i4 N7 d8 t$ L
<statement sequence1>;3 c, ?" j+ P3 ~0 b/ `2 E* p. \0 @# u
when <constant_list> then
: M C- U1 {/ d3 I& o' U <statement sequence2>;. N1 v2 C Y9 A* R/ G9 X
..., g$ m, L% F) Z9 y% m! U
else
" h# ^! h3 A9 s% ]. i, Y <statement sequence3>;% `; T! [/ r' h' o3 W
end;2 a6 m. V- h% m8 X2 M4 r
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2循环语句
& Q0 q" b1 H5 D5 n8 V (1) from <statement sequence1>
1 [6 a" d- A, h s2 _+ ~6 B: o3 f until <condition> loop
1 R; }; }& D! n+ H6 h o' D <statement sequence2>;# y3 K" Z! b0 R
end;
3 g( A" f m* V' a (2) while <condition> loop+ W4 \* X |( `! i7 K
<statement sequence1>;! g0 E+ s$ d, Q3 [
end;
' N! C, p8 Y* A( \2 K' W (3) repeat
) u' Q d5 i* h- @* O1 V; C5 g <statement sequence1>;) F% Y9 O0 k2 ^# A' E
until <condition>;! f: P/ F* n1 t( F+ i/ y
(4) for <condition> to <condition> loop
5 \! `' f; Q8 O( R) m <statement sequence1>;4 G L& ?# L2 K5 a" C7 n
next;" r1 }/ k7 e. k+ z
3中断语句6 b" [7 O$ i8 U9 Q1 N
waituntil <condition> prio <integer expression>;
+ E1 ]3 G0 A) U5 o; }. g1 @3 |/ G, `0 ]+ H) Q, O' ]) G* @
) Z+ I; M% \+ \) y+ {+ _以上为常用的函数！4 ^$ X9 r: Z/ B2 Z9 ~
还有很多，如有需要我把资料发到你邮箱里 3 G5 P$ N0 t; x
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