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发表于 2012-11-13 08:48:12
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1判断语句
* [9 Y+ T7 E8 W( F! |2 H% t if <condition> then! @" K ]# r9 v& k$ Z
<statement sequence1>;& g5 L1 X1 h _! ?
elseif <condition> then. u) N7 \$ \9 H* K$ \7 A
<statement sequence2>;6 j4 x; f9 M7 d8 n# x
else
/ d7 r' T: o* b" _; B6 c7 O$ [ <statement sequence3>;8 Q; N& j. m1 Z4 Z, W5 o% j
end;
; [( k5 O% g! k5 I: \- }7 @* e6 E如果分支比较多,用:& F- M7 p& K' k
inspect <expression>
0 H- `% }/ e6 w0 x/ j v5 h D when <constant_list> then3 p9 \# v! G/ }6 g0 J, `. q
<statement sequence1>;- T. C5 |5 M7 y$ U6 {9 x6 y
when <constant_list> then1 M6 C& g+ |6 Q6 O7 D/ Y9 ]
<statement sequence2>;
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else
1 z8 | m' @7 s- @7 P" J6 ` <statement sequence3>;
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n- c/ S0 M* g$ x- c3 O: N2循环语句
) f1 q* h/ N6 A7 ^2 L% B9 J" l (1) from <statement sequence1>2 u, ?+ L( B5 a7 z3 n
until <condition> loop
) ]' n! h# V6 p. ?- k2 \ <statement sequence2>;
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(2) while <condition> loop
8 K& v0 y. }! j/ L; t: \4 ? <statement sequence1>;
# i8 }/ X6 z3 N1 Z end;
" G2 N2 N) U" _0 V C (3) repeat ' h6 q$ ?; B& |2 \
<statement sequence1>;
. _& F$ Y8 E2 h- j until <condition>;
: c% {; S1 y+ {" f7 w0 ^2 q (4) for <condition> to <condition> loop6 h$ ^8 r& W; m- _ D6 s& Q
<statement sequence1>;) m2 R5 r) X4 `
next;
7 }# |2 v5 b+ P, j, I3中断语句
: |) ^8 O: o, a+ S0 t Q( [ waituntil <condition> prio <integer expression>;1 y7 O) e. Z4 r Y+ U
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) r# E e/ b2 }- I* v+ I( M r以上为常用的函数!( J9 a7 S* C' `. F2 S
还有很多,如有需要我把资料发到你邮箱里
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