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发表于 2012-11-13 08:48:12
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1判断语句
- n! _8 A$ H# G' ]0 _' \ if <condition> then
+ e4 S& ]0 `* J5 M <statement sequence1>;6 D) P* b$ e$ J2 @ G
elseif <condition> then5 G5 a6 @+ P* i$ I
<statement sequence2>;
# }% y1 C+ W7 f* ?2 @ else
6 K/ j; \4 Z; ]0 @: ]! ]7 A) _! Y <statement sequence3>;
@# P' \+ g0 O4 l end; O: |* ~+ A5 `6 ]# Y; e
如果分支比较多，用：; P: F" F; v8 m- ?
inspect <expression>: u, E% G- r4 J m, u1 A1 q
when <constant_list> then
7 F% o; Y+ x7 p/ H <statement sequence1>;
# n+ C% \$ ?0 _0 Y4 M when <constant_list> then
+ s$ k8 x- _& J8 z <statement sequence2>;0 G0 d8 o* C7 k
...
8 l" x) @! V, w4 R, R0 }1 E else
, U$ k: n! a5 E- b3 u m <statement sequence3>;0 u) i6 j, I- w' S4 o5 t6 K
end;
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2循环语句( K! L/ V+ S( s$ T5 |& R
(1) from <statement sequence1>- x7 K) ~! k! B# L5 K* a
until <condition> loop
4 A0 S# Y* v2 \1 O) h( O G4 ] <statement sequence2>;
' W, K G0 K: w( a end;6 q3 H7 t: M4 ~( t8 B, C
(2) while <condition> loop
2 I+ R* t+ s+ }( [9 w" ^$ P <statement sequence1>;
3 N j5 u4 u% |) q) Q end; }) H) P& m8 V e* T5 J
(3) repeat / O( \& v( G1 X" I+ k
<statement sequence1>;- K1 S" A9 d7 {1 u0 _
until <condition>;
; O% R. e. G) u (4) for <condition> to <condition> loop
, C& w5 x, ]! B0 K% o) P <statement sequence1>;. }! m9 X* }2 [2 ?. q3 `
next;
% o7 l' f% t6 }' B3中断语句. m) t/ ?/ ?6 b2 o/ j9 R
waituntil <condition> prio <integer expression>;5 `2 D2 r7 m- ^6 m5 B2 t/ k+ A
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以上为常用的函数！1 S$ q9 {( x' M! _
还有很多，如有需要我把资料发到你邮箱里
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