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发表于 2012-11-13 08:48:12
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1判断语句8 q. B$ e* A8 Q. l- R( z. l
if <condition> then7 E9 s2 ?( W" ?+ j9 h A$ K1 v
<statement sequence1>;+ c; C; t: ]" W# }
elseif <condition> then2 _& N( J# o) E+ ~
<statement sequence2>;1 E( k' ]* `) \. m9 l5 o. S
else / V' L L6 P9 H: E2 P, y6 x
<statement sequence3>;5 [. Y* N( Q* _7 ^
end;- K! G* p( Y& X) t6 u
如果分支比较多，用：6 Y) _0 s D0 Y. o2 N4 ]
inspect <expression>
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<statement sequence1>;
% o1 B. v7 T9 @ when <constant_list> then6 j( n- w; q: h
<statement sequence2>;
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else/ r; q9 L1 p" C: t( d
<statement sequence3>;6 _3 v5 S( e# \# ?
end;* S- G, d8 C" D; g/ A
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2循环语句' I: n) S3 N8 |" z" f
(1) from <statement sequence1>
6 t" l7 E8 W4 c until <condition> loop
9 P. `& q! B9 c0 C1 U, m( U( w ` <statement sequence2>;
) O- f! p8 @1 s+ i end;8 w3 ^! ~. I, \1 u* Z! U) h/ f( S
(2) while <condition> loop
" P) U. T/ j/ k. y; [ <statement sequence1>;
L6 \+ O: f1 g4 I. \0 U end;
3 G% u; E" t- e; d! R (3) repeat % b/ i+ s- a! H. U6 u
<statement sequence1>;
4 d3 y' H# @( v, Z% { until <condition>;) d! ^1 X4 y/ n) u8 q" a
(4) for <condition> to <condition> loop
2 S# B. R v( Q0 J4 f: X <statement sequence1>;. B, a% n* _7 _& r/ g/ P1 n8 l) b
next;. ]3 q" z# k# }6 e; D
3中断语句# ~6 R3 E8 K7 \* N% F8 ~, Q
waituntil <condition> prio <integer expression>;
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以上为常用的函数！' ^" j. j' w: L* k1 B
还有很多，如有需要我把资料发到你邮箱里
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