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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
2 U+ J9 s, q- T8 H3 |( V if <condition> then
" O! N/ U9 s2 f6 S x# k <statement sequence1>;
" O9 \! F. L1 F elseif <condition> then
( z7 H& o5 z2 t$ r <statement sequence2>;6 M( ]9 ^3 w( p: o: M
else
2 F4 K7 f/ r7 O5 g) ^* p( L s <statement sequence3>;
0 w. k/ K0 x6 m5 T1 L' z% g end; I3 a7 n& X9 A+ X3 N6 _/ F1 w
如果分支比较多，用：
$ O9 {8 d5 m0 h* J inspect <expression>/ _6 U5 x* U8 ~$ F
when <constant_list> then
* P9 C B) R" q5 J1 t& Y3 M1 s# a2 t <statement sequence1>;
* M: @6 Z% W( f6 G when <constant_list> then2 R' y4 a" O7 ?
<statement sequence2>;& y6 S( S; y$ @3 f2 n
...
$ M' K3 q& M$ B/ A8 M else
& ]4 x, [7 [7 }4 `1 _& [ <statement sequence3>;
( C7 Z) K$ W/ F* ]/ O) A3 wend; F8 I! d$ H% n0 {' B2 y
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2循环语句
4 y, P* j u, o3 X: w5 k (1) from <statement sequence1>. _7 O7 C: p: R7 P o) ?
until <condition> loop5 X7 ]! o- w3 y/ `1 T
<statement sequence2>;. T3 I/ F4 R* Y( L; \* x2 M. \
end;# I9 v3 U4 {1 G
(2) while <condition> loop
& V! |+ b6 c- j. Y" M ^9 D <statement sequence1>;
: ~" |7 N+ u3 A end;/ [2 s3 h$ Y% B
(3) repeat
8 d8 Q9 V t# s( C' q. m; y <statement sequence1>;5 F- ^# v! ^! r& z, A3 u# O7 l8 w
until <condition>;0 S" X: A* A1 o+ e5 U3 w( c- m _, f
(4) for <condition> to <condition> loop' q; L+ c+ U" Z5 _6 A0 L* x
<statement sequence1>;" t9 Q0 D0 S0 P4 `4 q
next;+ o7 R2 g$ }0 T
3中断语句4 _- d* F0 x, e' k& f6 _
waituntil <condition> prio <integer expression>;0 T& H _# {" L! X+ D
; J) G) H f* y8 b0 B
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以上为常用的函数！
3 W9 ^' s1 O% c8 K5 n! D N. b还有很多，如有需要我把资料发到你邮箱里
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