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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
0 k* t* u+ X" z& b0 ^6 p if <condition> then
: `, r! V( y4 R5 V <statement sequence1>;
6 u; B3 L% O, {3 x% Y2 Y" R elseif <condition> then
! a# r. H' H) E& U: M <statement sequence2>;+ V% U4 z+ Z2 ~* K) s# I* Y4 w+ F6 y9 ?
else # q% Y9 P. p/ U/ W7 @. l- j; S) U
<statement sequence3>;
8 ]( d3 P3 z8 ?/ j9 ^8 u6 x) d& [ end;
+ J$ a, t3 t5 g/ p& c0 B4 f, n5 Q如果分支比较多，用：
# Y$ t/ q+ { G+ p6 u inspect <expression>
6 \8 z" q# J* D' _/ Y7 J: H% U when <constant_list> then3 Y/ e& }. n2 N+ J1 v1 y$ a5 d
<statement sequence1>;
$ Y3 F! Q; q9 A( g9 ] when <constant_list> then
# b4 P& m( {6 C9 t <statement sequence2>;3 g, t/ X5 c' e& X# d* N5 y( B( e
...
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<statement sequence3>;" U1 h- _% Q: ~! U
end;7 v- P7 N d# o
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2循环语句, u2 U& } z4 S3 F( ]
(1) from <statement sequence1>
" l6 Q$ Q4 [0 x; R$ w- T until <condition> loop2 {* e& {6 Z1 L# ?' o0 y
<statement sequence2>;8 A; N) m' Y5 F+ m& x
end;+ x3 h! d9 E! r8 A& H3 L
(2) while <condition> loop" L/ {+ x! X1 x* b1 w' Q
<statement sequence1>;. V# m$ R p8 M2 e
end;
; I; O4 n' G I- n, N (3) repeat 1 U9 r! Y! ~3 a$ K3 |9 F
<statement sequence1>;. Q0 e9 v: Q4 Z2 w( i8 D
until <condition>;
' x4 P7 U' R* ^5 s( T( j (4) for <condition> to <condition> loop0 P) p9 ?6 R' ~3 M7 N V
<statement sequence1>;
+ u; P7 E' s. \6 A next;8 Z2 y9 b# r* p \3 ?5 Y' i; [
3中断语句
: Y; k5 e1 b- _" c+ ` waituntil <condition> prio <integer expression>; I' T6 I) l( V) q
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以上为常用的函数！
- W3 d' o) [1 m: T2 P3 [还有很多，如有需要我把资料发到你邮箱里
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