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发表于 2012-11-13 08:48:12
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1判断语句3 }* j i% [" D, j1 l$ |
if <condition> then
1 k5 o8 ?- Q1 r+ \5 i <statement sequence1>;. r5 X( X w$ E+ |: L- [/ q" \
elseif <condition> then
- s1 c1 J! O1 l* a4 y* _ <statement sequence2>;! `8 l u+ y+ n6 p7 p
else ; U, z! I! { R$ T
<statement sequence3>;6 v5 Y$ T; d5 ?3 b0 Z* b8 ~
end;& F1 ^( A: v3 G; e' }
如果分支比较多，用：+ I) u; B' G) F8 u, T0 C
inspect <expression>
4 S- n( b, Z |2 W. { when <constant_list> then
: a% n, Z% _. G <statement sequence1>;
$ s, B* H+ e' L* k* b. j when <constant_list> then6 R& c7 H* Q5 \. |4 {4 j1 X: q6 @. Y
<statement sequence2>;8 G6 o. {, k8 F8 k2 [
...
1 I4 |; l1 T% W" {8 C: S4 L- D) K2 g else
4 O, v! |( i$ P6 I3 U <statement sequence3>;- `9 ?; m9 _8 B, T& Q' I2 ?
end;. K. V( d4 v6 T# U$ J" Q
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2循环语句" @# r1 Q1 B" T3 X
(1) from <statement sequence1>5 b& }4 e: J4 c$ y' {! {8 r/ V
until <condition> loop. v( V7 ^5 f: p: }) b/ `
<statement sequence2>;' q3 H/ ?1 s/ M- q% H* t, X( j
end;: U/ i3 e* a+ b' P/ C0 i' u
(2) while <condition> loop& X+ B" _: ]1 l) ]- Y# X
<statement sequence1>;
" x( M/ S, u2 g- D3 i end;6 b9 w! m, x( u7 }6 Y2 ^8 @4 C
(3) repeat
$ X* t1 A* S& i! ?' O2 O( K <statement sequence1>;
^) b; c( o- \7 B until <condition>;
" N9 ]. D# s7 P2 ? s g7 j( l0 ~ (4) for <condition> to <condition> loop* d0 J" p, }1 Z, L7 I
<statement sequence1>;8 _8 R$ B' n' E/ e& S5 O" ]
next;
: E7 I8 S7 ^- X4 t. s3中断语句
' K( k, v4 ]* _3 h7 u9 x% d waituntil <condition> prio <integer expression>;7 [1 O) W' g$ ~& v, D' h7 `+ W
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以上为常用的函数！
. j9 c! P4 p# m7 G* k' U还有很多，如有需要我把资料发到你邮箱里
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