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发表于 2012-11-13 08:48:12
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1判断语句1 M p0 Q, d8 N3 J" P: |) s/ w
if <condition> then
+ V" e- Q! _1 P# ^9 W/ I7 ~ <statement sequence1>;- M" P* o |, p0 @$ W
elseif <condition> then9 \4 E) w3 q' m: `/ v
<statement sequence2>;& ~& N/ j* Q& r
else E: W3 Y6 _+ f* B$ \
<statement sequence3>;
3 w) w/ M4 k1 K' E5 c$ a+ H end;% {& K2 A/ Q& Q& }5 P
如果分支比较多，用：
& G/ N8 y/ a" n7 J t inspect <expression>7 M0 N% Y9 o0 ]9 G5 c, u
when <constant_list> then8 ^: ]& x$ Q* z$ _1 P6 E
<statement sequence1>;
' M3 i, i- D0 N% X g* [" S when <constant_list> then
9 y5 H8 b6 ^' D <statement sequence2>;2 Y# \1 m9 D% p: `) n1 j- |
...
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<statement sequence3>;
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2循环语句
4 H' N# m% H* `+ h (1) from <statement sequence1>
. |/ [. k% K/ s0 N3 P/ S" t6 P7 Y/ ] until <condition> loop& @" H" v9 ~7 s2 ]( d& ^
<statement sequence2>;' Q! V) h0 y/ h8 v
end;
$ u3 w2 f2 I4 @* M7 u (2) while <condition> loop. `. Z6 U5 g4 z/ c
<statement sequence1>;
1 A; ]. l5 t, G+ v3 k end; O3 r* d. [$ [- A2 X) }$ \
(3) repeat
' A7 c2 A; m# f6 {5 s! P <statement sequence1>;
; p8 T5 T& b/ ^: }, Q/ P) Z until <condition>;
& ^) T7 N5 f6 ]4 `! G3 B+ \ (4) for <condition> to <condition> loop- F2 G/ p' z( E ?0 W0 j
<statement sequence1>;
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3中断语句$ i# }+ G: |- f
waituntil <condition> prio <integer expression>;8 g; |+ G* x. z. e" R5 L
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1 X) w5 ^* G# Z8 h; B以上为常用的函数！9 I4 T0 O' i5 E0 B) B
还有很多，如有需要我把资料发到你邮箱里
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