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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
f1 D6 j6 m1 Z: ]: L if <condition> then1 [( J0 @2 S6 y' H$ W8 a5 N
<statement sequence1>;+ ^3 r2 u7 q& C. m5 q
elseif <condition> then
8 \3 d X9 o* B. W+ v% m, ]; b <statement sequence2>;2 I: C- H; k; n$ @" J' \
else , D: o* ?" w n1 a' f+ x
<statement sequence3>;: F+ {0 W5 {/ n+ j" O
end;
0 H; H- V# R5 A% q! n9 m* e如果分支比较多，用：
$ j: F ^0 b. B! h. h6 l$ Q inspect <expression>3 S! |, |8 A' M; l; n6 l" t, B7 A# V
when <constant_list> then7 T9 w: w2 n9 W( P
<statement sequence1>;( z6 ~) ]4 R/ `% D9 v
when <constant_list> then7 S$ ^# r0 ]7 e) w
<statement sequence2>;8 _+ k8 h+ [) P% x5 I& T+ [, g- B
... p$ j3 `2 Q# M* ~% n
else
: G7 ^5 k5 b& R: R9 x# ^ <statement sequence3>;! f0 v4 C( o8 \! n
end;
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2循环语句
) u( O2 u# _4 l5 T% d( F& q" ? j (1) from <statement sequence1>7 f8 ?) |, t: `6 b: K- A1 Y2 |5 k
until <condition> loop6 P1 Z0 P1 z/ L/ D
<statement sequence2>;
4 n# @6 x% t* n3 [8 j( z3 L& u S end;
& N- o) p* J/ k* s m4 T2 y (2) while <condition> loop
( F% w6 T( d& Z7 J$ r! q <statement sequence1>;
% v8 d+ I# l9 n* V! X. {/ Q% M end;
9 l2 M$ N4 f3 ?: P (3) repeat , U* }3 J( s: I& e
<statement sequence1>;
# S/ X9 _ g! ?0 u- x; K until <condition>;
1 F& C& c% v+ r2 @) |: ]- | (4) for <condition> to <condition> loop
# X' r9 ]- L1 v. E( \ <statement sequence1>;
( p8 u, D, y0 r: ~& c) i next;7 m0 Y( _, j# ]9 D1 X: ?1 t3 l
3中断语句2 h' U6 j' N2 R# R) x* v$ @
waituntil <condition> prio <integer expression>;
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% h: H$ w$ x- h以上为常用的函数！% B( e* E# Y. ~' O$ ~0 O
还有很多，如有需要我把资料发到你邮箱里
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