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发表于 2012-11-13 08:48:12
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1判断语句# p8 d/ j; W1 b- M+ _
if <condition> then
# v! s3 I5 @; ]. Q <statement sequence1>;
! I* ?" ]6 N2 k0 d elseif <condition> then' p9 d {7 H' j6 `+ {
<statement sequence2>;
( }! S" z/ z) ~; n else ' P- d& `1 t$ s& \- Y
<statement sequence3>;
1 y3 m0 T0 C) u5 Y. |" W end;
3 L1 N/ a7 G+ W; Y% n$ s. P如果分支比较多，用：3 ]4 x3 o/ j$ @2 ?8 H( H$ ^1 W! N
inspect <expression>
5 r% W% Y$ [& W5 M ^( a when <constant_list> then* v& g9 M* L6 g9 p, L
<statement sequence1>;) [6 l' W4 p( H4 ^& x, g
when <constant_list> then$ O! }" R5 A0 t b
<statement sequence2>;8 P# E+ `6 Y% R
...6 w. R6 }+ x- i* {; f7 r: j
else5 \) X( T9 u, P
<statement sequence3>;, t) Y6 [" a5 g9 S- J3 ~, e/ X
end;
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& D e3 Y6 l3 `. W1 r: R* q! p2循环语句2 S4 |2 j& ]0 s2 Q# ?
(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop
% \, r2 l# m0 m. |; B0 A <statement sequence1>;
7 y/ `- N1 y* s" ] end;
+ k& E. `4 T# S! U9 E5 h (3) repeat
( Y: ?4 C( U$ U4 W+ L$ x4 T <statement sequence1>;1 {, C9 B3 h, s7 j
until <condition>;. Y3 j8 ~- X% T3 a
(4) for <condition> to <condition> loop# S3 f; M; ]* l# J0 M
<statement sequence1>;
, P5 t k/ \$ k3 Z next;
+ S4 W1 E4 L k2 W5 i0 W! g6 o3中断语句
! X$ M+ d$ O. D: c2 w waituntil <condition> prio <integer expression>;4 N) Y' A0 E1 X. M# s
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) Z7 |3 U/ h: |6 U9 G以上为常用的函数！/ D$ s7 W) f; O2 V$ e, U5 K& N! }
还有很多，如有需要我把资料发到你邮箱里
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