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发表于 2012-11-13 08:48:12
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1判断语句* |/ j! v5 S' j& s
if <condition> then
0 n; ^3 T' q! s& `/ T0 m <statement sequence1>;& w/ o y& q- z$ E7 B) }- e
elseif <condition> then6 [2 r( m& g; h, @3 g
<statement sequence2>;
) l+ c' l) E/ V z: P" x else
$ d" m! L$ W( u) F <statement sequence3>;3 e8 U7 a6 b R1 i
end;: _- n z# ]2 Z2 A6 Z% f& Q
如果分支比较多，用：$ N% r1 v9 w% f q
inspect <expression>
D4 F( `7 j* l/ a ? when <constant_list> then5 ^. p" f4 w/ }8 ]0 @! f
<statement sequence1>;
" G! j5 i" W- g$ r5 O% u+ L when <constant_list> then# h) d" K" r( q, k; n
<statement sequence2>;& |# a8 p4 b' V, Y; z2 [, l
..., t& c/ i- u$ u* Y
else
Q# j, e; t5 v& j <statement sequence3>;
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0 w; O/ g* P' ?1 u' m! h* ?5 G2循环语句
- L2 Z+ n0 `1 w/ ?9 g! b. r) G (1) from <statement sequence1>, j1 n$ |) P/ Z: W2 ?9 j$ f* d
until <condition> loop
. h4 x! V4 E M, ^$ H' ~! K' D1 v7 M& G <statement sequence2>;
7 v& }3 Y) L+ n2 @ end;
U4 N; b- M7 ^/ L1 ` (2) while <condition> loop
' O! \5 n& C7 B" r @( [) Y <statement sequence1>;' n9 `2 ^+ P" Z' `9 ]; U
end;
& F/ m1 n+ F1 N U (3) repeat
' |8 I. L; x+ F3 v i! E- D5 `& e <statement sequence1>; X) K' z- `9 `% S- c$ f
until <condition>;* g7 p, z p9 ~, D1 C9 _
(4) for <condition> to <condition> loop
$ }8 N; e9 V+ \8 ^, w2 S$ H |- ` <statement sequence1>;0 {+ a7 X+ Q3 x0 F# E( r: c C
next;
5 N' _2 A' F' _3中断语句
# q* f1 b7 A( x8 B" o waituntil <condition> prio <integer expression>;
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; k3 H% |9 B& n `% B5 O4 U以上为常用的函数！
; }4 }' U' W' J还有很多，如有需要我把资料发到你邮箱里
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