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发表于 2012-11-13 08:48:12
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1判断语句5 l q6 h2 ?1 M# \# n7 G+ a2 v
if <condition> then
1 a1 R" I$ b: k <statement sequence1>;
" i5 h% I ^8 f4 b1 I+ j1 T/ [7 q elseif <condition> then
$ y0 X6 J1 c( q: ~ <statement sequence2>;; e% N+ W9 A0 H% D: W3 x# M
else
0 ~4 r0 E- p" b: n3 S5 |4 B <statement sequence3>;) j, b& f. W( }/ ~; M7 o: B4 ]& q
end;
% G/ _" o) g0 H- q3 L如果分支比较多，用：/ q3 w+ m" T: I! g
inspect <expression>
# S' x4 ?9 d" N0 D: }( z* l6 B# N when <constant_list> then
" J9 M3 k- ~; h$ h! o <statement sequence1>;
# N4 w. K3 i! L- A8 q* @2 ^4 t when <constant_list> then
+ d3 |& @3 X- c- D- [3 b <statement sequence2>;8 Y5 c/ l( E" N$ f5 @0 y, }
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else7 A9 _* h" `" g7 F& X) I7 L2 n
<statement sequence3>;1 ?' q- o: W& }' G- |$ c- D1 x
end;
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2循环语句. d) m5 V1 v3 g2 g3 O, K4 I& K$ h
(1) from <statement sequence1>! _* [. x, v( S/ G/ x% `
until <condition> loop0 A3 m$ b3 N/ V' p0 M, {% f; @. J
<statement sequence2>;9 P" R$ f y$ }& G
end;
' Y7 Z$ E" k5 b* \! k8 U. V5 D (2) while <condition> loop, v; ]. z8 |* o
<statement sequence1>;
0 X7 g4 a1 @& i. e9 ~8 u m" [$ ~ end;
& ?8 X9 y; h6 g+ y3 }8 L1 ?+ ]1 I7 { (3) repeat
6 u. P! V2 T& g <statement sequence1>;# k; q7 `+ V5 c5 Q! v$ q
until <condition>;7 |1 q" {3 P0 C% h. G& Y) b& u
(4) for <condition> to <condition> loop- R' T' {8 M, o' ?" O
<statement sequence1>;6 V8 [+ C A. F( A: {% R
next;5 H! ~! c1 n G# I7 i7 m
3中断语句+ |( s0 o- s: p% s# \
waituntil <condition> prio <integer expression>;7 o0 @/ b% H+ n2 [' O
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以上为常用的函数！
3 J1 `, E2 L5 z还有很多，如有需要我把资料发到你邮箱里 & E9 T' a1 ]2 |- `. k. C
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