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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;: P8 S* L4 o* o( Y( N
elseif <condition> then; W; p7 N7 U2 m( A2 S
<statement sequence2>;* D! m' B j# L
else ! s5 Q% l1 t* N: I. ^$ I& y/ B
<statement sequence3>;
! j4 B) y7 d8 {( ~, I/ L8 b end;
, ~$ p( {+ ]. G8 y如果分支比较多，用：
* ` t! M! k! o" B! `; I inspect <expression>
2 o7 A% \: O' E- y- X, B7 t7 \ when <constant_list> then
: W2 e/ p9 E$ C8 \$ o) _ <statement sequence1>;" {* @4 t, H& C5 L" F4 N7 r$ F
when <constant_list> then q# G2 B% \/ v# Y+ v* H
<statement sequence2>;! l; B, u5 b! N P( j
...7 s: h2 y9 _5 A; H6 b0 d# ?! x
else7 A( W! R7 r4 U- k0 @2 u& X
<statement sequence3>;7 F( K ~+ g/ J
end;
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P/ v3 Y& _1 c# k7 s9 b2循环语句
$ G) m1 E5 r/ Z$ O: w (1) from <statement sequence1>0 }% }. I2 v& Y3 b+ y
until <condition> loop
( E" M5 m( _3 ]* K0 {1 ^) J! X% t <statement sequence2>;
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(2) while <condition> loop
2 `. j( _- M7 S <statement sequence1>;
' y, y7 n3 V( H: k# ~ end;
$ Q2 Y J5 t; ?- @ (3) repeat
3 t: `6 D# b9 @9 G2 m$ d9 x4 {& n2 E <statement sequence1>;
" @5 y4 _6 s A, f/ [ until <condition>;
; S: ^* O" p/ R4 h. n (4) for <condition> to <condition> loop
4 B( W* ]. {( } v" S <statement sequence1>;! s' z" a$ m/ c% q, ~
next;$ B J+ Y7 D& V2 t5 T
3中断语句+ @- {5 _ G8 ^5 S( d
waituntil <condition> prio <integer expression>;
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h F( Q- |1 q2 d- A8 }
以上为常用的函数！
3 B: h% e5 E* J$ ?还有很多，如有需要我把资料发到你邮箱里
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