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发表于 2012-11-13 08:48:12
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1判断语句
8 e8 {" m! s1 ]6 L' k$ K& o if <condition> then; ^) _' n3 L( w6 v/ z
<statement sequence1>;% m+ o5 @% V# ]2 H6 A) h
elseif <condition> then
( g: X9 B V8 k& n. q8 g$ z. v; R <statement sequence2>;
' q" Z6 H0 p5 R* O else - m+ \- I5 K9 }. e$ a+ Y$ {
<statement sequence3>;4 v7 `* W* q# M* |
end;
7 } R8 _$ A( Z如果分支比较多，用：, L4 O/ { q8 z! s/ |
inspect <expression>
- l4 B- n( W4 z when <constant_list> then0 o$ K) _ o9 l/ y4 }
<statement sequence1>;
2 U2 W+ j5 ? o+ N0 O8 C+ C when <constant_list> then
/ K$ i" ]+ H3 X% B" ^ <statement sequence2>;' [7 D/ }: U9 }) c
...
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<statement sequence3>;7 Z% g1 ?+ y* Y" a7 }6 U6 v
end;# K5 m2 D1 p7 V3 J _
; |6 C' ^6 P7 b8 S9 A- K" f$ B2循环语句9 {( _1 s# W$ N4 E
(1) from <statement sequence1>
: k0 z; c- L2 r9 ~; @, I1 j+ B until <condition> loop
5 K0 J" W6 k8 } <statement sequence2>;
. [6 t- O# D" a% r3 Q* t7 l! u6 X end;
7 c; p5 r9 S* Z' u6 x (2) while <condition> loop1 m- y* s4 z! t# O% @- N
<statement sequence1>;$ i1 l/ ~( w {+ [, t9 p
end;
& G. [" b0 ]; q- r- A& ^& K7 n (3) repeat ; x, m* D/ \) i; y N& b% O
<statement sequence1>;+ v G. F0 ?9 H; l5 l+ F
until <condition>;/ i2 Q" i; S+ l9 A; [
(4) for <condition> to <condition> loop
6 e$ T. m2 A: Y2 ?' x# V# [7 o <statement sequence1>;+ y. K# R/ y4 K2 S. f j" p
next;0 C# u$ d' D* X6 v- ]
3中断语句 G& |. M0 }8 @+ g" R
waituntil <condition> prio <integer expression>;1 a( l, U8 h. ~: u" ~
8 o- ]) |' d! @1 K) e4 Z3 K( I
# [' r* M, A7 I7 i( O- G以上为常用的函数！
" ~/ g: U; I: J& I" q9 i e还有很多，如有需要我把资料发到你邮箱里 5 O, g% S/ J7 K7 w6 s, E- \
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