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发表于 2012-11-13 08:48:12
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1判断语句
, N8 j/ @* ^* N4 j- P if <condition> then
# m! e! f9 m8 B <statement sequence1>;; k" |9 a" j6 ^: R9 c2 |
elseif <condition> then
1 J5 r2 q1 Z' @1 N. w( f <statement sequence2>;; t; l; g I$ {, r
else R: t( i; _* e
<statement sequence3>;+ B# A) x( y7 l- z/ x( R
end;, L# }, {& ^/ a2 e3 i4 N" o' r
如果分支比较多，用：+ O5 W# J! j* e/ _; Q
inspect <expression>* T" P; o1 g2 O" B6 m) f5 \7 H& L
when <constant_list> then
, v* v! [+ C) h8 S- w4 E* b <statement sequence1>;
* T4 Y" m2 b v' g when <constant_list> then: ^/ b* ?: }5 I2 d5 \1 x% S* T
<statement sequence2>;: p' N4 b& m4 c" u8 P
...+ P1 j7 K) ~ i9 E) T* Z
else
" }: \' B8 E; W- {. w! H% e <statement sequence3>;$ l1 x9 I: e4 O* ]
end;
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6 H# s. @ m% R7 u; L* D! v2循环语句
; O; Y7 Y0 L* m- Q) C. ^5 J' ?. t (1) from <statement sequence1>
9 D2 J% z' d) |, R5 y6 h0 a until <condition> loop
$ x7 I. i* A8 Q. f8 m+ w" p2 F <statement sequence2>;. i! ~2 D$ [& K8 i: ~
end;
3 G! Y) p7 i" ?& B (2) while <condition> loop
0 z# Q; _8 S( L# {! k. ?" V* F <statement sequence1>; I1 B# `( o) m& |' u8 B
end;
" C. p9 s1 l2 Z {8 y' o) t (3) repeat 9 Y: T$ v/ r, v* q8 M H" Q
<statement sequence1>;
- ~" j. i8 n6 S0 r& ^ until <condition>;0 k5 d8 n( z) q8 b" ]/ ?# V
(4) for <condition> to <condition> loop( V5 I% g+ @) r/ R2 Y) j
<statement sequence1>;/ f0 \' _, B: V7 U
next;. V/ b+ w4 H) l* k5 D
3中断语句, G( e% J4 P7 V. A1 x
waituntil <condition> prio <integer expression>;3 x1 o, N) W! E: A" J+ J" E
* p9 q+ \7 g8 B3 Y
8 q) R3 M+ h5 ^5 F y5 N以上为常用的函数！6 H/ D' O+ B( I. B+ {0 I
还有很多，如有需要我把资料发到你邮箱里 2 u/ F/ B% I3 ?2 o( o* [$ I
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