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发表于 2012-11-13 08:48:12
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1判断语句
d" N+ c3 D8 P( }/ D3 @( \ if <condition> then
: G/ ], X( i' b K* k <statement sequence1>;
3 n1 ?7 R# Q* F7 L elseif <condition> then
1 d1 d1 v% P( Z/ [( S1 J$ F <statement sequence2>;
0 G# W8 D1 c/ s% q7 W else
1 n; i$ }8 u3 e' R+ [ <statement sequence3>;6 ?7 v5 [& Y. [, d+ w4 J% h7 |
end;/ c/ K0 i5 k1 h) U. K& R9 P& ^, T
如果分支比较多，用：
0 x \2 j. |/ ? inspect <expression>6 b& k) a5 B7 I8 F3 p
when <constant_list> then, E/ z% n3 i" |* r' r5 X- J
<statement sequence1>;
/ z6 a: R# E6 h9 a7 c9 l3 g7 X when <constant_list> then- O% F0 Y: v7 {. W! d* _
<statement sequence2>;
5 R# n0 ^ u" C2 u' R9 V4 V8 ?& n ...
0 I: ~7 y% f; }3 _. L2 e" J" q; b. ` else; M( u6 a0 G2 ^# d3 S4 C
<statement sequence3>;
) S+ ]0 ^) `3 l+ Z" Y& F% Rend;
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" V$ E6 ]- s' Z, h) x6 ` `2循环语句
+ F' _+ a2 g2 P, i7 ^' ? (1) from <statement sequence1>
1 J- G! U( t6 k7 p5 W until <condition> loop
+ ]7 d. k. Y/ \+ P) x <statement sequence2>;
/ C" g3 ~; g5 ^, p. T3 T* J. m end;
* ]7 t5 ~% D t. Q3 i% r (2) while <condition> loop _1 G; X+ ?$ C% J- @$ k( R4 ^5 |
<statement sequence1>;* Y4 b K6 c% k( i' b9 }7 {
end;
% Z2 ]* X2 d0 L (3) repeat ; k R2 N; e: u& `
<statement sequence1>;
M/ l# u7 ]1 O+ p9 ~3 N3 J until <condition>;3 p+ o9 { @' i2 l' j. s2 T
(4) for <condition> to <condition> loop
- q/ u' K7 B( I9 H* {' X+ { <statement sequence1>;2 X+ s% G, d o1 M9 o* J
next;
& w) Y! ], X7 j; `3中断语句0 l! o; i5 q( T8 r) ^, y% ^7 z
waituntil <condition> prio <integer expression>;
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# u# O* }- P8 o o: c/ s' l' A% F3 t: Y7 \
以上为常用的函数！
- b2 Z& U' r# H- e还有很多，如有需要我把资料发到你邮箱里
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