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发表于 2012-11-13 08:48:12
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1判断语句1 S N8 }& i9 Z" w; n# L$ P
if <condition> then; Z% y2 `& {$ v9 Z
<statement sequence1>;+ W, U1 C' B6 }2 S' d3 f; @
elseif <condition> then
3 s6 [5 ~; A! e* J( @3 L <statement sequence2>;- |/ I6 o2 o* l+ s, \' W8 K
else
- C! ^" l2 g# u) n3 f6 t <statement sequence3>;
% ^* \" |; C+ o- j% j2 M end;
5 G9 z1 v' A1 R# P如果分支比较多，用：) l7 ?, a4 M0 q9 f7 n
inspect <expression>$ F: u* [: I7 ^$ p& Y+ l7 A: Q
when <constant_list> then' i/ {+ x- G* [9 o' U# i8 Q
<statement sequence1>;
+ i/ h! C0 D( V- w' x3 i7 [! g when <constant_list> then# n7 L, v. A) O+ A, X& i
<statement sequence2>; w: T0 W5 B9 H+ A) N: `0 k
...+ C( _- f/ v- s5 x6 @
else
% h$ ~% ]. v, n6 X2 ~% U <statement sequence3>;
1 t8 X/ a- e/ O3 g+ d8 @5 vend;
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2循环语句
& y( k( ^, c/ l; ]4 z4 `5 E (1) from <statement sequence1>4 e1 \: r, `/ q! U( m; g
until <condition> loop3 e) v/ w) c' l' W6 I0 g
<statement sequence2>;
2 H4 s4 \/ g4 V t3 B S7 x7 N end;( d$ Y B' c7 T' Q& h
(2) while <condition> loop
4 Z1 B0 u# Q- l6 K; ^8 ]: u4 G <statement sequence1>;
4 J% X/ ` J' B! e( T4 l end;1 Y2 S- F& T2 U% G5 J
(3) repeat 3 r: S0 b3 F& i7 Q4 D- s
<statement sequence1>;& d% _* q: ?. _1 @$ K6 w
until <condition>;1 q( r" v8 W. i4 U& K5 A
(4) for <condition> to <condition> loop
0 @3 U# I/ v% B <statement sequence1>;
. }- X, N0 D- G8 Y+ S! H$ H& O next;
7 k# D: ]$ P9 w3中断语句9 i r/ m1 W, R+ l# D( Z5 N
waituntil <condition> prio <integer expression>;
% i3 j0 i) Q* j8 ] {
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' }- F% t2 Z5 J1 n" C以上为常用的函数！
& C; @+ e! i0 d/ B1 \2 h5 I: i还有很多，如有需要我把资料发到你邮箱里 Y' L+ d) C# U) V: z) [+ a+ D3 L' C# j) a
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