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发表于 2012-11-13 08:48:12
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1判断语句
2 H) a: P' K3 R0 W if <condition> then' u( f# b* S/ \3 x4 S* _# v
<statement sequence1>;
0 y* H8 y2 d( q! \ elseif <condition> then, H. E( |+ p+ N+ O; k
<statement sequence2>;/ G% M3 M4 F1 z8 {3 I
else 8 ^8 s1 q Y- l2 ^* S- }
<statement sequence3>;6 ]# B& S6 f% e
end;; I3 b- y/ ^0 w: p) K3 V9 g
如果分支比较多，用：" D0 e" ^( ^ Q
inspect <expression>6 v5 u& b( h8 m" v# V7 @% ~0 T! x
when <constant_list> then/ q5 S P1 k0 V5 C) l% K% R! L
<statement sequence1>;. ]# L' ?) m8 [( y9 L7 Y& D
when <constant_list> then+ z- Q# `. z" u4 F5 |" y5 d( B
<statement sequence2>;7 H- ]" B+ F) d5 e- Y' L
...# \: b* F2 [) d' T* t3 j% V b& M
else
. i( v; C' X. D1 P, w( m/ d3 ?6 w <statement sequence3>;
/ t5 N5 r; c9 n) U4 U/ Send;
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|/ m& O: b- H/ F2 Q: M4 c3 U2 I2循环语句' @( \- W2 L& _, W
(1) from <statement sequence1>
m7 t" S* }. f) s until <condition> loop
7 z- Q) H( L8 T) ~7 H" m <statement sequence2>;) R2 ~) ^* _# A. }# e+ p
end;% c9 B+ l$ H2 N" @6 Z5 {* e
(2) while <condition> loop
# A' Q& z+ Q! p1 `, n# E' R; }) ?$ I# E <statement sequence1>;
/ U- e4 _ M! z end;9 _. t: f: w* U7 ~0 Z9 T0 d' w
(3) repeat & S0 C' r. g* t
<statement sequence1>;! x: M% [, H# p; d# a. M! J
until <condition>;
7 B( ]) P" M9 Q" g (4) for <condition> to <condition> loop+ \/ N; M& O; d2 A6 E
<statement sequence1>;2 ?9 k" J3 }/ f
next;
% l7 {$ |) r$ T" b3 m, X3中断语句6 z6 h5 |( O+ L ~
waituntil <condition> prio <integer expression>;, t2 L& j9 M% w9 @
$ d9 P' j% O$ F. O) t
+ q, [/ B7 g: Y& k& U4 d以上为常用的函数！7 a7 f- }" W! N# M% k% ]& n; E( S0 @8 r
还有很多，如有需要我把资料发到你邮箱里 5 y* d0 C3 d1 }& x
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