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发表于 2012-11-13 08:48:12
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1判断语句1 T* W: ]* h6 w& K/ E2 n! }
if <condition> then. N T1 n! e6 f' l8 I. a
<statement sequence1>;
. C0 w8 O- N# e5 b! a( ] elseif <condition> then4 W3 z7 x+ R1 |3 z `$ z
<statement sequence2>;1 I1 W7 J2 G( o; h6 s+ Q- X
else
; Y0 ~" b& T L3 e' y" C% z <statement sequence3>;! n& s% B! @/ U" w$ O/ l
end;
& u. q* B7 S# H7 C% n$ V8 ^如果分支比较多，用：
0 j1 {& p+ E; B4 N inspect <expression>+ k; r/ @. F4 @4 q {0 k
when <constant_list> then" s2 v5 a3 D/ B- h2 m+ F, g, S
<statement sequence1>;
3 A) r) e" b5 X9 D- s. c& C# k when <constant_list> then
' |, I& V0 M5 s: B( }( y( m <statement sequence2>;
8 b% Q' |7 A7 O6 x6 } ...
2 d3 u& X7 x- q5 T+ c: w$ a else* F. M) b6 V" u' j
<statement sequence3>;
5 y9 p/ i' W8 `% {3 P/ u0 J# M: t. Tend;
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2循环语句 b* }4 b- e; {3 t
(1) from <statement sequence1># g7 O2 B5 c$ { X2 v
until <condition> loop
! v2 N8 ^# I6 p4 H" X1 [: `# S' Z6 Z <statement sequence2>;' T0 D. p4 g( u4 B9 \
end;
# z+ t/ o g- S4 i) W! n (2) while <condition> loop9 |' `7 A8 ^0 X* M6 u% F; A! y
<statement sequence1>;
! V7 _7 j. i" C2 w, Q9 C: m0 S B end;: \5 h3 N/ n5 Y* f, i( E% T
(3) repeat
3 t. m7 t8 T& |; S, A/ P <statement sequence1>;: v1 b) D5 p7 n* N8 N! W( E( d) W
until <condition>;
0 q: j* d- @( r0 V6 O (4) for <condition> to <condition> loop6 a [6 H* K* B" z& c0 v A
<statement sequence1>;, q/ Q ?$ m: \4 m+ V1 N& k, N$ N9 I
next;8 Z; }/ L* i& c! i0 A9 z' ?; D
3中断语句
z$ x I( [; ]9 \ waituntil <condition> prio <integer expression>;2 @1 m4 g9 L" `. M/ G) j2 t1 N
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% r; h7 q# M+ W% U0 E6 Q以上为常用的函数！
+ \! y7 u! g$ W" N4 d) f还有很多，如有需要我把资料发到你邮箱里
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