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发表于 2012-11-13 08:48:12
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1判断语句2 n% `, `. X4 p
if <condition> then' R1 i1 v6 N y; s. p
<statement sequence1>;
( r2 M! q+ ~ G5 }1 V/ ? elseif <condition> then
5 f# F& v1 L8 Z7 m2 R <statement sequence2>;2 q5 T$ N2 O/ I! s* H
else % [% a, G u1 P9 B0 x
<statement sequence3>;
5 c( T8 v; {. R2 i' V end;/ j1 N' V. m3 D4 m
如果分支比较多，用：1 V u, I. R1 e9 Y
inspect <expression># m5 e& {8 }6 T7 F7 k
when <constant_list> then
+ ]8 s/ ~2 R2 c- a9 r: h <statement sequence1>;
, y: Z, H/ c: @9 @& T+ Q/ x" O when <constant_list> then
2 b0 k& M. c* O/ ? <statement sequence2>;
; T! T! P9 j: t0 F" G ...
) c; p& J, Z2 P8 e" D else
$ I, I1 k6 `7 o; b6 u& y5 e <statement sequence3>;: @* Q K; P& X5 h% V3 W7 d' Z
end;
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; x; h& d i& ~) u/ O3 A2循环语句
& T8 g' R2 Y- Z1 G1 G' X (1) from <statement sequence1>
/ Z* ]5 d W. V% j until <condition> loop$ {' _. Y: r j. Y1 g
<statement sequence2>; M6 Y7 K( Q% G# D" ]5 R
end;
! O+ \! Q5 q7 x! H3 \* X (2) while <condition> loop
: C3 X$ `+ P- v* V% r$ }7 F$ [0 v <statement sequence1>;
+ W. q2 d3 f! I$ s2 d end;% v0 ~3 v9 x- p2 \
(3) repeat
4 l6 j2 w' X# N; z/ f; l( g( U+ v6 o <statement sequence1>;
8 ~3 n9 m+ U" L. C until <condition>;
3 a8 B3 v q' o, r' H( q. w1 Y (4) for <condition> to <condition> loop
5 s9 P6 q$ e1 ?. Z1 g4 ] <statement sequence1>;; s$ e, n& Z; A
next;, f( B( M; o4 B# u$ w3 c
3中断语句
* n/ _3 I! j3 h9 A" V waituntil <condition> prio <integer expression>;
+ |) P& i2 J. @' h8 k
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以上为常用的函数！
" U% p& D, C5 R3 U; }还有很多，如有需要我把资料发到你邮箱里 , S' }$ _4 n- h7 K
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