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发表于 2012-11-13 08:48:12
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1判断语句
% z; k2 F D' F+ Q5 W if <condition> then
* Y" h9 g6 D8 S4 {5 { <statement sequence1>;
- k& y R' w& a1 t0 {# v elseif <condition> then
+ v+ s5 Q6 ~' n <statement sequence2>;
, U1 q) F1 A! G5 Z" v0 `, T _ else
/ h& ]8 b0 L C1 r/ y <statement sequence3>;
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如果分支比较多，用：
0 o U t( Q1 S2 @; v% ?' |# S inspect <expression>
, O, m" l) K( ~9 H when <constant_list> then4 p+ l0 q* P+ u
<statement sequence1>;
' g& Z+ c+ ?- W+ \- {( y; | when <constant_list> then
4 p! W3 C- @, A* z1 a4 ~# l2 w <statement sequence2>;$ w) y3 a1 k$ g' m! \- |1 z
...
& \8 v* o& Q y else8 p; C1 ^. Q$ I3 L8 F
<statement sequence3>;5 D' |" n8 ]7 z3 v+ Q
end;" ^$ E$ D' }7 d @! ~' i' M
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2循环语句
4 e* X# S5 r5 N8 ^ (1) from <statement sequence1>2 i- ^8 q. k, o( `& z& `
until <condition> loop
) Q! g, k& z) _& T; `% F0 r* ? <statement sequence2>;, {# h4 T" j9 ]/ G
end;" ^0 V( }" G8 h* V, t* J4 u( [: h
(2) while <condition> loop
6 U- H( H- H4 s6 a) z3 v2 Y. T5 Q <statement sequence1>;+ d- p/ Y M% L6 o$ \
end;
2 ]; F0 h W# T/ W (3) repeat
4 l* z# V7 N- {9 p J" d <statement sequence1>;
b: `' T4 e' J# L until <condition>;+ t1 i% n) v; q' y( a8 g) s
(4) for <condition> to <condition> loop
3 E' T+ U+ s. W7 t# T <statement sequence1>;) S. m5 ]$ {! z z
next;# V: y8 `5 h U2 d0 K* b
3中断语句
4 B3 f7 p0 }4 a$ U. K1 N" ? waituntil <condition> prio <integer expression>;+ y3 X9 C M& @
$ s; D( m) Z6 F9 v
3 E1 U0 ^% v% a! ~6 \$ ?. Z以上为常用的函数！4 |5 `% n" L* P1 f
还有很多，如有需要我把资料发到你邮箱里
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