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发表于 2012-11-13 08:48:12
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1判断语句
: k# Z' Y5 B/ }& G if <condition> then
* [7 W* A' L$ [% Q <statement sequence1>;
/ y$ v1 O2 a; j; L7 u" |9 y elseif <condition> then4 b( a( i4 m3 v
<statement sequence2>;/ }. J7 s9 \; ^4 S2 q- F; B
else
* O3 }) ^8 L! _6 {, X# Q0 I <statement sequence3>;3 e6 w3 T/ ]/ A9 X% K
end;, a/ ~4 F% P( a- n2 z4 t
如果分支比较多，用：
& B& d9 x; H9 K5 v5 s inspect <expression>9 ]$ y" r+ [5 {6 O$ V* ] h' Q. v
when <constant_list> then
/ p) z8 r* C5 i7 ?9 l3 [ <statement sequence1>;5 u; U6 g# K8 i. V |. A# l
when <constant_list> then
2 @2 [( c/ s( I. d0 s <statement sequence2>;0 ^! S' f3 U' U1 {/ h k
...$ g% v+ R1 b! @( H
else; ]9 y( ^7 T, g( N6 P. @
<statement sequence3>;" N/ D" z% I& N9 F; J* v' O* D( O
end;
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6 u/ r+ }( [9 S2 j I; ?0 a6 @; a6 m2循环语句" i# g; J, \2 [9 w6 j
(1) from <statement sequence1>5 v( R1 H6 \/ d* v7 H
until <condition> loop p& V& `& E# ~; Y* j$ v
<statement sequence2>;
n2 R: f* d J- H8 |9 t% P end;2 q; g `3 A2 H* U. S! P
(2) while <condition> loop) x% `: H. p$ _" ?
<statement sequence1>;
1 q. x) q& s- N, Y end;
% _8 {0 }, d& }1 F (3) repeat
0 N& u% q3 N4 a. j6 O <statement sequence1>;
" k8 {6 j4 z; ~& I( v until <condition>;
" m/ I/ R M$ [! o' z4 v (4) for <condition> to <condition> loop. W( E, t& d; o2 _( n1 _
<statement sequence1>;7 F, {- y4 F1 K0 y
next;
9 y: i1 ]& ~% o7 }3中断语句
k" Z U) {! E1 C) L8 { waituntil <condition> prio <integer expression>;- e' f% u0 q' x. x6 Q# A
" b, E$ u) I! Z7 E9 i3 K. a1 h
* P3 [# x. ]# ~, R3 ?+ P( r z以上为常用的函数！
3 j9 w) Y) t) ]还有很多，如有需要我把资料发到你邮箱里 ; r6 |4 l2 Y4 w1 }( e: I) f
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