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发表于 2012-11-13 08:48:12
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1判断语句
( F1 z: }4 [, q) \, g* v1 B if <condition> then; w+ k5 q1 b" f) y5 w+ U& Z+ c/ {
<statement sequence1>;
) ~% M: o4 K* ^' }) U" x/ T elseif <condition> then5 k6 z B) V' ^: B. a- ?
<statement sequence2>;8 z' e) D! G6 ?$ u6 K }6 |5 o6 P8 N
else / P% z# R% T0 s( w
<statement sequence3>;
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如果分支比较多，用：
+ \3 J C; w( n: M* e7 n" P4 d1 ?8 m( z inspect <expression>
3 e& p8 y" L/ F% h' x. ] when <constant_list> then2 l, L* x" G; Z7 A4 b
<statement sequence1>;" n: p& ^6 }6 t {4 P. | D
when <constant_list> then
& R. n e1 F1 ] <statement sequence2>;
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else5 E1 Z5 |3 m( M% m* \
<statement sequence3>;
: ^' p2 I* E2 w( R' ^* m8 Cend;
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2循环语句" D# c" q& I9 i* c. X- o, d
(1) from <statement sequence1>
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<statement sequence2>;0 f* o. G. `) [3 I V# m
end;3 L4 y4 p9 \/ U
(2) while <condition> loop0 @3 i2 e5 D$ X3 u- l
<statement sequence1>;! ]5 V( }- b+ a* @! M9 b1 x* Z
end;8 c7 o' g( U, m
(3) repeat 4 d& z4 Z0 }0 ^" n% i
<statement sequence1>;
+ ^. k% [8 y0 E' X until <condition>;
; F: L( x" Y5 { (4) for <condition> to <condition> loop
/ G# ^& x: p5 ~+ v2 y <statement sequence1>;
8 u V3 s& X) J- x* w% I; _& F next;$ I. M4 w) z: r. a- @
3中断语句
/ F3 v D6 D* [0 `2 C$ q/ I7 k+ [ waituntil <condition> prio <integer expression>;
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以上为常用的函数！
+ g3 p2 g$ U2 v9 b4 ^' {还有很多，如有需要我把资料发到你邮箱里 % s6 X, y' ?6 ]3 Z& r/ m) N
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