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发表于 2012-11-13 08:48:12
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1判断语句" m( m, P# F/ p0 u ]4 j
if <condition> then
: `# }4 ?0 e; V1 B6 i7 T8 d <statement sequence1>;
* N2 h5 c, z2 O p/ D4 h2 v. x elseif <condition> then% q, |0 M. f; Z/ v* J
<statement sequence2>;# Y- ^/ R' q4 }; M6 x* {% q! I5 D
else , r' @) r$ J& G3 x9 d z& z& M
<statement sequence3>;
8 z1 Q- f% h" Q' T end;
. _4 b8 C$ l( R) F如果分支比较多，用：" u% a* P* Y& W" b+ g/ x
inspect <expression>
0 O& [9 x7 a5 d- i# P6 m when <constant_list> then
$ G" @: H! Y0 s1 |- h% r <statement sequence1>;
m' T+ _0 x3 g# \! s4 R when <constant_list> then
* p: i% ^5 F6 f <statement sequence2>;( c; I; M& H0 E3 g7 k- p6 i
...+ }/ S# ~/ L9 I
else$ j* D8 S" v# [# E1 a
<statement sequence3>;* G, W' M! d4 C8 c8 |
end;
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+ d" s2 O" Q7 x9 |: A2循环语句' d* T0 L$ C1 o
(1) from <statement sequence1>
3 ]8 \0 n0 J) U. c' ~% l until <condition> loop
4 U3 a' u9 h# v0 q! P9 P8 { <statement sequence2>;
: O6 |, |9 A3 G1 g# j8 ?& R end;
+ K9 D; S0 m; ~ (2) while <condition> loop. @/ w1 V2 \% T. Y' [6 J; D
<statement sequence1>;
$ O6 a2 `6 y2 e2 [. X end;7 U6 P8 Z* B. e; D
(3) repeat ' N' F$ I+ O. ]4 h R
<statement sequence1>;
s; H9 e- C) z+ {1 e until <condition>;
2 m& f8 ], T& n5 s$ V3 ^: M (4) for <condition> to <condition> loop
% \ q$ b* E# i <statement sequence1>;
! U+ B1 J. B# ] next;
; j& {9 s, X8 v h7 q2 d" b6 c3中断语句! y3 ~* X& J1 r0 |$ F
waituntil <condition> prio <integer expression>;. f: q7 \, S" D& w. X% U5 t, c
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0 w b3 u6 B6 L5 e2 C) h
以上为常用的函数！
# T9 b9 p( e# {4 \7 V" g还有很多，如有需要我把资料发到你邮箱里
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