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发表于 2012-11-13 08:48:12
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1判断语句0 S# k& N0 e; U4 I6 y
if <condition> then
! }9 ?2 Y4 B5 }# }5 O5 E <statement sequence1>;
2 V# Q! {' B/ ~* Q6 Q elseif <condition> then
9 Y# u" y! a7 h; V+ N <statement sequence2>;
; a* |' w5 |* s( x3 g else ' I$ D4 C i6 e% g+ O8 H0 H
<statement sequence3>;
# A1 N' Z' d7 V! Y6 Z# o end;. w3 | [: ?# B
如果分支比较多，用：/ ?/ I B# |+ a- [, y: `( H3 H
inspect <expression>
( j5 d0 E5 v2 N& _/ u3 e* [ when <constant_list> then
0 y g3 b- ^1 q* g( O2 g <statement sequence1>;
8 ]- W( }% C R5 C2 L* V: |1 i when <constant_list> then% k- i8 w6 J& s6 k4 G8 `: f
<statement sequence2>;
V- c* i' D M7 H: E% I- L ...
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<statement sequence3>;/ a7 _; B5 z+ Q7 m
end;
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2循环语句) X( `3 k; M7 ~
(1) from <statement sequence1> X X* X1 a* L8 p! l* C2 m
until <condition> loop c7 K4 |6 P& L2 d6 D+ Z6 g6 f2 w
<statement sequence2>;
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(2) while <condition> loop7 g2 j e7 U: P$ _0 R
<statement sequence1>;0 Z. R( {# S* b8 {
end;
! i: j* T5 M8 ^( t# u$ |3 g (3) repeat
7 Q; ~5 T# L- `3 ? <statement sequence1>;: Z; f6 E' L1 x; I
until <condition>;
' w1 t% h# Q1 y# o3 G (4) for <condition> to <condition> loop" {* s9 E" D; T% l1 l% g
<statement sequence1>;- I6 D- d+ V q* I/ v
next;
7 O) I, h4 [7 D% O% U3中断语句
3 f1 R, X( |6 V) s waituntil <condition> prio <integer expression>;' n% l9 |$ ~, m
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: r* P4 k% ]4 p# [) o以上为常用的函数！
4 x/ }# g5 N: K. I/ a还有很多，如有需要我把资料发到你邮箱里 , i- C# X/ v/ ~2 U9 S% Y
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