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发表于 2012-11-13 08:48:12
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1判断语句4 }/ z, p$ z" M6 `: r
if <condition> then4 l7 e) G0 h6 w- R5 }& Q0 _; X9 M
<statement sequence1>;4 w+ f* ^& R0 V( ~
elseif <condition> then# ~. j6 y6 q+ k0 v3 j& Z2 ?
<statement sequence2>;3 i- ^/ ]$ d9 `+ r
else : h0 d, g" v/ u* {0 w+ Q" C; F2 }6 h
<statement sequence3>;
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如果分支比较多，用：
+ K1 N7 Y. U5 W; z6 A8 j4 x& U8 ] inspect <expression>
! l& y& B# _" \ when <constant_list> then3 g. u: B# Q7 l/ n) A" m
<statement sequence1>;8 W2 X! `) n! `; ^! L7 s0 K5 ]2 B
when <constant_list> then
. b: }7 j3 u- y3 ?$ w6 }5 }" {6 ^ <statement sequence2>;& G% ^* C5 d" H8 \! ^* ~8 m; ?9 {
...
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<statement sequence3>;# z( L+ g C% G5 b
end;
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2循环语句7 U8 B0 t( {" F t
(1) from <statement sequence1>
' W8 z% X; _/ Z; ~7 P3 X until <condition> loop1 M& l: \& ^8 T
<statement sequence2>;
5 A; \; ~ z$ ] end;& g; G& w; s* O8 K5 N9 N4 }
(2) while <condition> loop
3 H' a# x6 c( l7 \0 ` <statement sequence1>;
/ o0 K) I" ?# ] D6 H# S9 P end;
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<statement sequence1>;8 r; ?7 I, n J: o
until <condition>;$ s! p7 R9 @4 Q* T! [
(4) for <condition> to <condition> loop7 U' X1 K; z, @% q3 b& p& f
<statement sequence1>;3 R8 E A% x" A6 m: C( f; s
next;
- h& E! _, k9 l; O' o3中断语句 X. q- L. e d
waituntil <condition> prio <integer expression>;# x4 U) Z8 Y1 q7 w
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以上为常用的函数！/ w/ e2 y, S: Z1 S
还有很多，如有需要我把资料发到你邮箱里 + v% F2 T) W ]$ z0 s5 x9 E/ I& f' l9 `
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