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发表于 2012-11-13 08:48:12
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1判断语句8 p$ A! ]5 W# b4 E8 K: b
if <condition> then2 |7 f G; h5 m' N9 @3 d# z
<statement sequence1>;* r5 \8 ?8 {" ]% K
elseif <condition> then
! V- d. v$ h/ T% { M* S <statement sequence2>;- E" P+ @0 B( C b: v
else ) q h4 X) {7 | b% `
<statement sequence3>;
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如果分支比较多,用:& G u1 j$ |4 Q; k7 }( \
inspect <expression>
6 i6 S2 |$ ^1 @9 h: \ when <constant_list> then7 w- k8 w5 i& G0 Z+ O Z' @# k. Y
<statement sequence1>;
' J. H1 u5 ]; C {5 U when <constant_list> then5 U2 p3 B" M% c* z
<statement sequence2>;
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else; r+ m6 }0 A8 p, a/ V
<statement sequence3>;8 }7 D3 W# @; T y# Z8 ^
end;
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2循环语句5 @8 P4 ?7 }) z& [, I. b
(1) from <statement sequence1>
. }1 a: b Y$ ]7 q- G! s until <condition> loop
& B9 s3 v3 C; x8 B3 W0 M$ S9 ` <statement sequence2>;
" a! C, v6 F. ~ end;* T$ A- I; k( D/ J+ C4 n
(2) while <condition> loop
3 s, ?1 i/ S% X1 u <statement sequence1>;/ K7 l A# _9 \8 L( S5 b6 q
end;% t: h& p" d8 e* r
(3) repeat # p( \ ?6 O/ W- d
<statement sequence1>;
' o: n" Y- h$ w4 w3 R# u- Z; i until <condition>;' e+ H' b7 ]( y1 b0 H
(4) for <condition> to <condition> loop* @9 A" b9 Q' a9 Y% Q0 B- w% X
<statement sequence1>;! {! G6 L$ e$ L8 \$ `4 O
next;. ?6 r* B/ ~! O j( j9 m
3中断语句
7 |, s0 N1 ^) D# F# A; L waituntil <condition> prio <integer expression>;
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4 B/ s5 ^0 e/ b; g- G% K! ^( j! M以上为常用的函数!
: k, C% A) W$ V3 X4 j& {# D) i! \还有很多,如有需要我把资料发到你邮箱里
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