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发表于 2012-11-13 08:48:12
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1判断语句
+ T$ K' c- j- \# T if <condition> then1 N4 }7 \% b. C9 t
<statement sequence1>;: g: E: C! ~, \' b
elseif <condition> then
% }5 U/ E+ J x& R4 A <statement sequence2>;! i: G- A7 ^5 r: k3 |1 i v) |; n
else " @# M+ v! H( ]( E I
<statement sequence3>;
" v5 U' x# Y% x4 y, X+ s' s end;% X, t5 |0 o: N. _
如果分支比较多，用：& w; y1 u+ Q5 G3 ?7 z+ h- j B" C; P
inspect <expression>
' W) n; x5 C8 F M8 N+ O when <constant_list> then
0 C; y& b0 ~# F+ S <statement sequence1>;
# f6 |0 R. N/ S! J# E7 i when <constant_list> then
6 r0 m* X' X% _# A9 ?) E; q <statement sequence2>;! F, E }5 n2 p8 g
...8 H( c' Y6 `4 q# B$ }2 d2 A- \
else, h+ d( b3 b; t
<statement sequence3>;+ L1 Q- u: Z$ ]) E
end;
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2循环语句
* m6 m4 H8 q$ G3 G (1) from <statement sequence1>1 o$ N7 j) o4 B8 a# a( G
until <condition> loop* {- y' j$ p* z+ I: y: v6 [
<statement sequence2>;
5 C+ ?% B ?+ s* h0 Z" _2 j end;+ z/ C; v( {- t v. }6 G
(2) while <condition> loop( j4 {) \$ z0 ?9 s. C* w( f& W$ ~
<statement sequence1>;
4 W! ~7 l; r& @4 o6 @1 { end;
: @1 d' @ U* U4 y (3) repeat
- O5 {2 E" M' L' l- ^1 Q <statement sequence1>;- O7 W5 U/ F7 f6 E5 V
until <condition>;
0 `8 _+ o1 j! E. g- Q$ f (4) for <condition> to <condition> loop! N: V9 t0 o* V6 y
<statement sequence1>;
5 T- O2 S4 s/ E0 C& v2 @ next;1 ~+ _5 u6 h/ K: o, k
3中断语句
) K: }* ]$ A* k9 U2 y4 Q" v waituntil <condition> prio <integer expression>;+ {6 E6 U! ]6 z8 v: J: b P
$ X) Q3 [0 w& m2 j- R: H' y
+ H+ [: p2 q: L5 s, M以上为常用的函数！
; n1 h. S, c6 x) q还有很多，如有需要我把资料发到你邮箱里
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