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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
, k8 p5 }5 P: g( L if <condition> then# Q5 k- j9 m: o w6 A4 X7 Y% `
<statement sequence1>;. y7 g6 C7 q& H* R9 [8 G
elseif <condition> then/ u, x2 e, H# }" v& F9 b
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：/ `$ G( w4 ?2 U& m
inspect <expression>2 _1 A$ {+ }9 g4 k
when <constant_list> then% X6 U. z" X& T1 j+ B
<statement sequence1>;
7 e) X0 B/ V8 u0 w2 p, ` when <constant_list> then
9 {1 C& z; |6 c <statement sequence2>;
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else2 ]6 T3 B+ B% }5 s) K& u
<statement sequence3>;/ X+ k `6 X$ j7 Q
end;
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: x7 z. V4 z. s6 p* _2 z2循环语句
: ]/ Q- c* {' [5 K/ a (1) from <statement sequence1>8 W6 ^+ U- v7 D8 }
until <condition> loop
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end;( d& `/ q+ D/ Y* f* f
(2) while <condition> loop3 l1 J! p; [ C9 j
<statement sequence1>;
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(3) repeat % ^' F) z. ]% i3 |4 Q0 n% v
<statement sequence1>;
$ M( H6 ?8 G5 Y until <condition>;, ]6 Q5 h2 G1 |1 w
(4) for <condition> to <condition> loop5 L; y' Z; J% d0 [$ B
<statement sequence1>;
) |( h3 D* @' l9 K: |/ w6 n8 f next;+ ^1 V) I {' t3 c1 l" t! T9 p
3中断语句
; |" d3 M. f6 Z& |+ q" [ waituntil <condition> prio <integer expression>;
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以上为常用的函数！) L6 P% j" }2 \& i* K) K0 Z
还有很多，如有需要我把资料发到你邮箱里 ' A4 u* d# J& j# D0 B
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