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发表于 2012-11-13 08:48:12
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1判断语句' b1 _: p2 k! H
if <condition> then T& ^& `. E C2 u1 a+ }
<statement sequence1>;
( \- Y" U# M7 a2 R elseif <condition> then/ l) j& O* u( J) \ i; y9 d3 p
<statement sequence2>;- e- v/ G7 I0 ?/ m. _/ y
else
9 p2 Y6 h+ z+ v8 r3 V. _ <statement sequence3>;. @1 C6 X$ ^8 y3 r1 N$ h
end;$ d# t. w2 l1 x
如果分支比较多，用：+ e; z: b& E0 O& D; D/ a) h
inspect <expression>
5 c& o0 ]! }' x* t8 R; S when <constant_list> then
5 D5 l( f6 p8 G, s) z7 A& K2 @ <statement sequence1>;2 I$ l" q& t3 b5 i% e! s& h% p% v
when <constant_list> then# a' @- g" P+ R N( d8 \0 j& I# P( K4 ~
<statement sequence2>;# @) P6 y' V+ C. L0 {* ]
...9 f( {" N6 J8 S
else- ?% `: ~& Y- M7 G
<statement sequence3>;
) x5 v4 i k( G' G1 p5 L! ^end;
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$ E: I0 m; D" Z. F6 I2循环语句" \4 A2 G0 `: a5 D) H
(1) from <statement sequence1>& F% h9 p. T6 r8 A6 h p
until <condition> loop
8 Q! i! U* L& O) n3 p <statement sequence2>;9 T5 ?" [# }$ ~, R- C2 r
end;$ s0 F& o6 e$ b9 H0 Y0 U
(2) while <condition> loop
: h+ S) G3 Y {: q$ L9 ?# n <statement sequence1>;! M- L& n2 c% c& Y% r
end;# m+ c1 r9 ]- z. m- [ T
(3) repeat
5 Q! @8 E" S" w <statement sequence1>;
, |; ]" H* W* C1 H; _ until <condition>;( ?0 Q4 {% y+ G; n
(4) for <condition> to <condition> loop
2 C( U7 R" m, w! W u/ [7 ]+ W <statement sequence1>;! D/ ^2 O9 Z ?
next;
0 W/ P- V5 m2 Y9 n. G3中断语句
& G* X& A( r& i waituntil <condition> prio <integer expression>;
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以上为常用的函数！: @0 v. W4 l7 v/ m' J
还有很多，如有需要我把资料发到你邮箱里
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