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发表于 2012-11-13 08:48:12
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1判断语句6 Y- |% `: O2 @/ j2 L2 m$ g
if <condition> then
# z/ n I- K, C <statement sequence1>;+ Q x% {0 G# z- \
elseif <condition> then
E, |+ N% [8 {$ ]; j <statement sequence2>;
( s) ~, A- L, M8 L ?' p else
* a R8 M' j+ F0 |9 U+ J0 h <statement sequence3>;
5 @8 z; u+ s# Y- t4 K% U. N end;
1 m+ n! ^6 F% @) `" ^如果分支比较多,用:* P5 Z2 ?, ?% f* C
inspect <expression>9 D! h3 B, V/ S0 Q
when <constant_list> then
4 T" A! s2 V! T6 y O9 L% N <statement sequence1>;; R1 t% _/ ] H% o! `6 ]/ F
when <constant_list> then
1 t6 C0 F0 f3 ?8 q! o <statement sequence2>; u- K ]& H$ q
...
/ L) I2 r# @. f else
) x6 Y, O X$ \& N2 {" u5 c <statement sequence3>;
2 u2 d- }; ], Z; i2 Y# @+ O+ yend;9 P- O9 b8 j$ J+ F
5 I. N" H% b- q1 G2循环语句; f$ Y" p3 O% v% e6 F+ M2 r" Q
(1) from <statement sequence1>- B$ r% ^5 c" G+ b" x3 p- F! i) o+ i
until <condition> loop
- \7 r7 V6 {& h <statement sequence2>;
- t6 V: m% W, A" P1 h end;
5 z. ~( V9 f) B! w (2) while <condition> loop
- @2 W: p2 H# Q5 b6 G5 ^+ d <statement sequence1>;$ @8 V/ Y0 X k! U
end;
1 |% v+ a1 `* n' e: O, n (3) repeat
0 ^* L0 A, n% z4 ] <statement sequence1>;
8 F& O2 A1 o7 b/ P$ c0 ? until <condition>;8 D0 _8 Q5 o5 C i$ S$ U
(4) for <condition> to <condition> loop" ~: m( }% w- T2 I. k
<statement sequence1>;
% Z: |, ?2 K: T' I next;
" k) u' @! l3 I. Y! j! U2 p. M3中断语句
. {1 k! R# E% ~0 O waituntil <condition> prio <integer expression>;
* ^$ ?# a9 E& R3 ~. h6 V" ?- H' ^0 m- t0 y8 F# p: i( }
" e4 h, A3 ~- }5 h0 f; D7 F. D以上为常用的函数!+ |# J% f: x. e# v u, m
还有很多,如有需要我把资料发到你邮箱里
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