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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
2 j( a) d# ~3 q" F if <condition> then G. J: I, y2 ~$ n
<statement sequence1>;
/ X a1 c, c1 w/ E- @+ ~! v4 G elseif <condition> then
/ [! X: B4 @. a4 g <statement sequence2>;" @% V7 m0 S, f
else
8 \/ I( i3 k$ Q8 n1 c4 } <statement sequence3>;. _- u7 x& P( R. @/ \ ?
end;" z6 c5 q% W; J/ n
如果分支比较多，用：9 X" v+ f _; I" m& G. d2 x- Z7 Q2 s
inspect <expression>8 }. [" `; g; }! N
when <constant_list> then
3 A5 J, \# m3 M* S0 z <statement sequence1>;
+ {! Z' y0 h: s ^4 d4 y when <constant_list> then
* _5 V/ a$ u4 h% s/ c2 w& g* w& u- n <statement sequence2>;+ O* I+ K( Z7 }" X" [2 x3 p
.../ e9 A- f0 W/ L$ O
else
9 s0 R# V# o1 z+ o9 {( U <statement sequence3>;
: I& Y1 T) B$ g4 _' Yend;
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2循环语句
" t1 p' R( A' R* k (1) from <statement sequence1>; r& ?: S; y2 k( |" U
until <condition> loop
" a1 D. v. D# k3 W7 [ <statement sequence2>;
+ }1 T/ \, s8 b; ], _, ^ end;4 I7 L- {. E( f' e4 R' R
(2) while <condition> loop5 W1 A( k& m6 ~, Q& k
<statement sequence1>;, t& C9 F8 g! Y! M* L3 D$ J4 o
end;
* R) j$ K0 J9 J9 O- R' b (3) repeat : |; d7 V) A5 f7 s; y: r& W
<statement sequence1>;' z9 d; _; E7 K0 O6 Y) I) ?( R
until <condition>;
, |3 O& s$ h, Z, L9 \$ }( K/ z (4) for <condition> to <condition> loop
' e$ P0 L3 P+ J- ~3 c <statement sequence1>;* V, ^/ E/ U" h. B6 _2 }) M
next;
* ?0 y2 z* I1 A, ~8 S3中断语句2 N) B$ X4 A9 w
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
& O1 N' x( O; L还有很多，如有需要我把资料发到你邮箱里 0 h: Z" Y" J/ J! f! N/ F/ J: {
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