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发表于 2012-11-13 08:48:12
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1判断语句! s( ^) ?4 a& w
if <condition> then" ^2 u( F# b# m
<statement sequence1>;
6 d. ?: b) ~) m( |& Z elseif <condition> then
3 A. B; j& O5 w8 \4 g# p& f. x <statement sequence2>;, r( [" l, Z) o2 p% J5 A& g& `
else ( T8 E% j6 r' h9 a- X
<statement sequence3>;% Y4 c3 U. R$ q% P
end;
* c! c; O; y3 ^4 s; O如果分支比较多，用：
6 s- k3 [# e! m( u+ `' | inspect <expression>
5 p; O }8 n2 |7 m5 K" ] when <constant_list> then
6 m4 @+ ^% a$ e, y <statement sequence1>;/ Y, i/ ~5 L v2 o8 j1 [1 \
when <constant_list> then' ?" i& W" X+ ?
<statement sequence2>;
( J G& @( r7 Y! e$ M* C: e ...
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<statement sequence3>;* j( g" T! g% K# F5 ?* n, A
end;+ X) f0 F( l4 p5 g0 r3 @& E
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2循环语句4 j+ _; P9 m- o6 \
(1) from <statement sequence1>
+ X3 F+ R: _5 z/ u0 P) F$ b5 [9 } until <condition> loop S5 D1 Y Z' v6 V* G) D$ B; Z$ i
<statement sequence2>;
' ^& b0 a! J% F8 Y. n6 _3 s end; ~ h+ n( F0 F1 u
(2) while <condition> loop+ @- l$ @* D4 ?
<statement sequence1>;
6 Z0 h9 d+ m' e end;8 ^! M. ?5 J8 S0 o
(3) repeat
, {, C5 R1 f0 ]4 F3 ]/ D <statement sequence1>;
$ t+ m4 k& m1 N" n. c/ _ until <condition>;4 @( _7 i3 H/ y0 e
(4) for <condition> to <condition> loop
( W% T6 U" I4 N1 Y6 V <statement sequence1>;
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3中断语句: `5 w8 u2 M. A. j5 L
waituntil <condition> prio <integer expression>;0 Q0 Q! Y3 ^& R) F) `
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+ h `7 N; E2 B% a4 ?' ]& L1 g以上为常用的函数！8 B- T) K% M% f' u2 [, b8 W
还有很多，如有需要我把资料发到你邮箱里
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