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发表于 2012-11-13 08:48:12
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1判断语句2 E/ v, I7 u( ]
if <condition> then
5 J- |6 @4 Q3 k! l4 W; Y3 H <statement sequence1>;; | ~5 X) Z- v' w
elseif <condition> then
' R! A f/ ^( }4 n4 b& p9 @ <statement sequence2>;
: v& _3 l* U7 P- E% y" [ else
; M- u9 c6 c7 r <statement sequence3>;& X4 c. F b7 H p6 c: A: Z5 L
end;
" P' X. h: u" @" h( o* \如果分支比较多，用：
' T" v0 m& h9 f3 \- G% g/ r; | inspect <expression>$ o5 K3 V/ V0 J3 C2 s
when <constant_list> then
$ d' |; J" V2 W4 r <statement sequence1>;) m0 I- d- Z6 W& T2 ]; J6 `
when <constant_list> then$ `1 d/ _8 l1 B" l% m8 B" j Y
<statement sequence2>;! ?) F0 X4 M6 F; L5 m+ q* w
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else8 q6 W$ \& t% p* L H8 W7 [& T% h
<statement sequence3>;8 ?3 n: T( N. G+ ]( i9 Z X
end;! o! o+ b. [5 S* c
/ H* W- d0 U, n4 K2 k0 j7 ?2循环语句 Y* j9 l4 ?; E5 Z; D. B& i. W$ a
(1) from <statement sequence1>
) c) y6 Y0 _ ^& O& S" q2 M until <condition> loop# ^! d5 n- |* b$ Z- y% N+ D8 ^
<statement sequence2>;
$ X& a# D/ c) N, ^7 i2 D% P end;
. X/ E7 X2 b+ c8 C (2) while <condition> loop
5 `; X' B) x$ U <statement sequence1>;
2 w; i( ~$ c5 L# I- f& ` end;
8 e7 f! ^4 k q' J+ G! z/ a (3) repeat
2 k( d, P7 [$ d; m8 b5 N/ ? <statement sequence1>;
* n) `2 @3 p# n$ t& A; t" y until <condition>;7 c3 g: R) Z( r! z+ X" \
(4) for <condition> to <condition> loop
/ [" f& z" G" C <statement sequence1>;& t0 _$ _) Z t ^& A+ `
next;
; T0 ~4 b- |& U; T- t* r3中断语句+ U" t6 G. z& I8 e
waituntil <condition> prio <integer expression>;& Z- |( x+ x1 h4 b/ U
" M! a1 g1 b) k
6 J- R4 Y; Z C$ r# b以上为常用的函数！
, `3 @, r* H% U, C7 C3 p还有很多，如有需要我把资料发到你邮箱里
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