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发表于 2012-11-13 08:48:12
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1判断语句
0 H/ Y( @+ |6 U! |) f6 [ if <condition> then" v. E, R' l4 e: d# w
<statement sequence1>;' I$ p4 B0 a t1 C& d7 p
elseif <condition> then+ m$ x* O: k" W
<statement sequence2>;. R/ \. v7 f* ~1 Y
else / [. C! N! I' G# i) h; E
<statement sequence3>;' u& }' B% u& G: a7 h; t9 T
end;1 J( z6 w& I7 d# b0 {3 N8 A1 S
如果分支比较多，用：+ V* b {- E3 i: B% p/ p4 q! a
inspect <expression>/ p) ~" d# [( @$ W" q3 B
when <constant_list> then
& |% Y: _5 W4 W. O <statement sequence1>;
$ D# `$ b% e) ^$ w' j' u$ h when <constant_list> then: P7 S. f9 C* _- U2 p3 W1 d
<statement sequence2>;( Z @: z0 s# t& Q6 E p
...
" P6 K2 Y I( q( I [! j: r" u" H else
4 X( h% x8 a5 n# J <statement sequence3>;, B9 A d/ s; ?
end;/ i* T3 Q& r4 C
3 a7 V- B" e! D; ^; L2循环语句
5 {7 e2 F$ [# m7 X (1) from <statement sequence1>
8 q6 H+ ]4 K- x! D/ }+ h. I until <condition> loop
' M) A$ b" N4 A5 I, T# a% K <statement sequence2>;9 S1 X) e6 F8 E
end;4 y' ^/ X9 P6 {5 [, D( E& ~3 U
(2) while <condition> loop( R/ R) D, ?. M8 Y3 k8 a. p
<statement sequence1>;
/ X5 M, l3 {: p9 c9 R4 j end;; w/ ~5 i5 W0 B% }) K/ h6 N5 Y4 {
(3) repeat $ o" U4 o: t& n( z. N
<statement sequence1>;* f! m" {/ m! K6 ^/ ?7 T( v$ C
until <condition>;
6 F2 q" N/ V! }1 M (4) for <condition> to <condition> loop
4 z: J) v* } e1 U <statement sequence1>;8 L6 S' H: j2 y( V$ h% m- B1 C9 P: \
next;
: Z+ ]" p5 w" Q* K' c3中断语句; C/ E( i7 a; U. {5 u5 U
waituntil <condition> prio <integer expression>;! J2 q% u& W; S. Z6 e- c0 D, q6 p
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以上为常用的函数！5 o+ {, l& l2 Q
还有很多，如有需要我把资料发到你邮箱里 8 N0 H! f$ G/ y! ]$ k
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