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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
8 f% w' Z, z' B2 z3 F1 t% o8 l+ r if <condition> then
/ a) V1 }0 j% l( p e% s <statement sequence1>;4 j4 C- u! a: |2 Z& k- j& z" P$ ?
elseif <condition> then
+ j' H1 x2 T+ C: z( N, y* H" Z+ `0 e4 S <statement sequence2>;
2 K3 `: P6 [7 K( F else
- g% h7 T# C1 _& D! v( w <statement sequence3>;5 \" N% {' y- I' ~, i& E8 H b
end;+ J5 |( v1 [6 \
如果分支比较多,用:
* ?5 r3 T- N6 S2 ~; ?) d inspect <expression>5 c' x7 n" h, W; `4 R1 L; R: W6 d
when <constant_list> then
* X2 G: l2 x- s8 ], d7 C7 `; \ <statement sequence1>;
' `- h" p7 }2 e6 X% T1 c+ L when <constant_list> then
\6 Z/ e9 F+ d; {; M6 D <statement sequence2>;) p: F$ D" z" W5 `9 D
...- [* ~- |- {7 ]
else
" r2 F8 i t" F/ P0 ?+ C <statement sequence3>;
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3 C$ Q# i7 h4 F% [, s2循环语句
& H& L5 B$ B! G9 r (1) from <statement sequence1>& s( d, z4 {. X( K5 j
until <condition> loop/ ~" L# N. @/ H3 ^( m+ X& _# m# r
<statement sequence2>;
" [, d( H, e) { end;
; ?! e( t* Z8 Q7 E (2) while <condition> loop+ y7 T, h$ w; t
<statement sequence1>;
4 p6 T& i5 l; J( o7 L. Z6 k" {6 _ end;9 o( k. I0 S) F; _7 y6 j, @% n! M
(3) repeat
1 n# l5 x1 G+ W( E0 i7 {! t* M <statement sequence1>;% m8 Q4 Z1 n/ ^. @8 T
until <condition>;
! ], y0 P$ G9 q# ~3 K+ t% `1 s (4) for <condition> to <condition> loop
, D8 P: c# K% q Q2 g& b5 E. ~& C4 R <statement sequence1>;
2 e: L8 y& w d! T4 B next;( i( i% C/ Y, U" \( e& v
3中断语句
* |/ ^' k* { v, \ waituntil <condition> prio <integer expression>;/ x+ P, x* A% g# \/ B: {
7 |7 B- O0 D! b" A3 ?; R% v
, A* r' O% j' v1 e$ x以上为常用的函数!% L) a% A, o" E: ~' I! K
还有很多,如有需要我把资料发到你邮箱里 + s0 D: f( i" O
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