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发表于 2012-11-13 08:48:12
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1判断语句
8 N9 X6 N: B* t+ C& D$ U if <condition> then
' m4 B+ W$ f& d- q <statement sequence1>;
K9 D% z4 l; G' j elseif <condition> then& C! e F4 F ~- v/ G5 D
<statement sequence2>;4 M; s2 ]* M0 l% z2 u. @4 v
else 2 ^8 q% A3 D: S: [
<statement sequence3>;
8 G2 {9 w( r5 y! s9 m. Y! p2 c end;
+ @3 W) D) e! F2 w如果分支比较多，用：" p( a) d" N, T4 R) k
inspect <expression>2 g9 ~' o% B* g% z% e
when <constant_list> then
0 ~4 p6 m: K# z, r Q5 [ <statement sequence1>;
; k' s% t( i6 }7 U& Y+ q/ j when <constant_list> then
% K+ f5 ]& [; `0 S0 T4 B <statement sequence2>;
; ^3 K0 U: h: T" \ ...$ l- [$ o9 H' w4 P
else
: g% Y; z$ `. L% K' J( r# F <statement sequence3>;8 j, B+ B5 [' J
end;
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% u3 J' T8 l8 P/ m1 ?$ u2循环语句
& q& B8 O7 c+ }) j (1) from <statement sequence1> S( f5 c3 o- B3 o
until <condition> loop- B0 ~, s3 N9 Z; q+ k x; L# X
<statement sequence2>;' @ ^! b5 q3 q+ N1 l# ~
end;1 H# {4 {8 J: k8 ^! t, @9 I% A& U
(2) while <condition> loop# `: ~' H# z, o, C. b+ B
<statement sequence1>;
) A. @( p4 T2 @" l end;0 M7 `: M% [+ p
(3) repeat
3 o* r6 _5 i! m; C2 g* w <statement sequence1>;
+ W& Y8 j! s6 ], Z3 M until <condition>;
7 \7 v& J! A& n' Y. d9 N) y* L (4) for <condition> to <condition> loop/ j$ _" h8 b# |
<statement sequence1>;( F) i `( o! {& W" B7 q% H. S
next;
. v/ ]0 v, H" T: J8 b3中断语句 r- ?. \* T6 A! J8 j
waituntil <condition> prio <integer expression>;
: g; W! _, ~2 R1 {( m1 W7 g+ Z
# j) t" n# Z, l8 B5 n" W
% }, S! B) v# M8 n以上为常用的函数！
& m, N: c* I: C+ m' U还有很多，如有需要我把资料发到你邮箱里
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