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发表于 2012-11-13 08:48:12
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1判断语句 e% i0 h9 ^" x9 `/ @
if <condition> then8 R3 m5 A/ c' [: A% {- L
<statement sequence1>;
3 N9 o$ z. C% q J: g elseif <condition> then6 `9 `2 _' ?3 h3 \
<statement sequence2>;
6 u3 ~5 P P+ d" u8 S4 u else
$ P8 O% I, Z) b; E% q" [ <statement sequence3>;8 i" G! q5 f! o! H5 L5 j1 J
end;% M, C! D( z+ g) v |0 D! n, `) D
如果分支比较多，用： g+ I; f) |* o' V
inspect <expression>) F' z! z( h; z e5 z/ i2 I ?% k
when <constant_list> then
9 Z, r! i& Z: w2 }- [2 X <statement sequence1>;* f6 Y1 T! ~0 Q" N( G, `4 `1 M
when <constant_list> then
' h/ m! O' @( X1 B <statement sequence2>;' q% E/ J' Y( Z; n
...
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<statement sequence3>;# \: z0 V x$ J7 X) G
end;& a* b; W, X) k- r/ l
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2循环语句$ `( C9 [8 h# o4 \. S' e
(1) from <statement sequence1>: g3 q" J) M" v$ ^9 v2 Z
until <condition> loop: \' ~6 K/ a1 A2 G8 S
<statement sequence2>;) B0 H, T5 y% z+ c& H6 A
end;
. O% d$ x3 n7 W% B8 H (2) while <condition> loop
* Z* M- g( X3 x2 R; n8 [) l$ T' @ <statement sequence1>;
3 \; q9 b0 h" L0 D! a8 f2 Y end;, h8 I2 z4 F" j; t% |
(3) repeat 0 d" v% l# i* x9 [- J9 A: J
<statement sequence1>;
$ u- V4 s9 B: y) _2 y! `; W6 ?5 a until <condition>;/ [% U! j" m$ v6 l& p
(4) for <condition> to <condition> loop
; {7 L- X" I; s& |( ]7 h6 A <statement sequence1>;! r* W7 n. ?7 E6 P% }5 {# l( }
next;
1 g+ p5 `8 l4 q2 ~4 S3中断语句) M8 c" E |" i# t! ?+ ?" F% C
waituntil <condition> prio <integer expression>;
" j+ A4 {3 r0 I ]" K
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& s* f( p6 [1 ^以上为常用的函数！
6 J! a4 T- Q& G* ^/ Q还有很多，如有需要我把资料发到你邮箱里
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