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发表于 2012-11-13 08:48:12
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1判断语句
( l" u9 j$ H3 e, @3 [8 c+ N, J: p6 h6 T if <condition> then
$ ~4 R6 v' F: I; [ <statement sequence1>;: k6 C. Y7 Z& F
elseif <condition> then/ a" t' H- Z4 ~1 w
<statement sequence2>;
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<statement sequence3>;
`6 }# S' |! q. X/ g end;) X/ X1 ~6 D+ S9 E
如果分支比较多，用：9 o( l, b* ~ v8 G
inspect <expression>
2 w8 p( s0 z/ q J. y: P when <constant_list> then
$ F1 ]+ Q7 v* V/ r4 J5 v/ q <statement sequence1>;4 N( ?1 r0 p) x; j$ d* X
when <constant_list> then( l4 c: m2 t$ [8 J' f7 H5 M- S
<statement sequence2>;- X- R' ?( F/ t c& {
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else
0 ^+ m4 X+ M' d! K x <statement sequence3>;7 c7 w" }* [7 f; N
end;8 O9 H) Y8 d$ ^9 C, D/ Y
% y$ a: d. {9 Y# ]. g2循环语句0 P% g* S' x: @6 w( U
(1) from <statement sequence1>
; y& e( h+ ]6 g until <condition> loop
) \+ e" F5 b( O" s2 } <statement sequence2>;
# s8 D& E1 e: u2 @2 G1 r/ t end;
( b* L9 r7 y0 X2 e# |& B! U% ?: ? (2) while <condition> loop9 V" y2 ?4 |3 C6 t" G- ?/ }. h1 c
<statement sequence1>;
) k. K; l; `/ J7 a end;
0 W" [1 Z" k+ c (3) repeat
) v6 U% m9 M3 o- G2 o <statement sequence1>;0 J' t( e+ b9 e' H# |
until <condition>;0 e0 P3 \- @5 h
(4) for <condition> to <condition> loop
5 S: r5 r- H2 P" m <statement sequence1>;
; T- M5 B2 H. h* V1 ? next;
, t' p* r+ [' a& u3中断语句 X+ ]) W1 ?& S6 c. i) R2 P" j
waituntil <condition> prio <integer expression>;" W4 z( T# f% ]: b9 S6 Z; U/ |2 n1 Q$ s2 l' d
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( f; d& K2 X( b9 c$ m4 p以上为常用的函数！" S3 e- F$ X6 R7 {8 s$ T: m1 E
还有很多，如有需要我把资料发到你邮箱里
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