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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
4 `5 F% T6 r/ K& y if <condition> then/ a" k' d% m* }. D0 e
<statement sequence1>;; d$ ^' \6 B% p3 Z
elseif <condition> then
* M8 X4 W+ H; b! { <statement sequence2>;4 [1 ?+ v7 n: y: R! G3 ]0 B
else 5 d9 _& E! R; R* j* B6 U) r
<statement sequence3>;
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如果分支比较多，用：: I$ M# d3 U2 M8 W( O8 N# K
inspect <expression>6 B$ g b) a% @0 s/ o
when <constant_list> then9 ~. t+ B) G2 _. ~& s0 C6 G" ~3 S$ G
<statement sequence1>;/ r; R* b' i8 L: n+ w, u+ c; c
when <constant_list> then
6 W6 K7 F& @ e& t <statement sequence2>;; ~9 ~1 Q, \$ }+ g4 }
...
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<statement sequence3>;# C* ]! u7 }) y4 ~
end;* ?- |7 O4 ^* ?1 s$ j" O2 X! T6 k
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2循环语句
& G3 w1 `- i. y6 ?# s9 Y7 q( z( \ (1) from <statement sequence1>
$ ^3 }8 X' ?) |1 b+ _- W, h until <condition> loop- d* P1 h1 f# k* X: G7 ^
<statement sequence2>;9 `. c( M0 p4 Y$ m( H1 }" R
end;5 o1 ~* K/ C R6 \5 d" ~/ h9 P
(2) while <condition> loop
4 D3 Q% R A- m7 X8 Y <statement sequence1>;; F4 e8 {9 }" N
end;
/ m' A) u: k* F+ ] (3) repeat
$ I# [2 A8 G9 Z" n4 t# l <statement sequence1>;5 f8 h4 k' B: l. C2 R- O
until <condition>;
/ c, K* L, \$ f4 q7 U# q5 z (4) for <condition> to <condition> loop
. w0 K+ ^" _% r- B& l/ |0 { <statement sequence1>;
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3中断语句
, t; H' I; c2 c, f waituntil <condition> prio <integer expression>;+ Z3 d# S, a. j& f
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( c9 B# q2 o( i `+ X以上为常用的函数！
. M6 o' D0 O9 Z8 z3 D) _还有很多，如有需要我把资料发到你邮箱里
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