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发表于 2012-11-13 08:48:12
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1判断语句
8 i$ g" {! A" q$ u2 f7 S if <condition> then
1 K5 F1 y7 J/ ?7 } <statement sequence1>;
1 \4 D" F$ }' C; z$ Q9 f: h. k0 I elseif <condition> then5 d7 p5 b- e7 K& X: S
<statement sequence2>;
" {' G: x; E( h7 n else
- T' ~+ d. }5 B1 _* s. U <statement sequence3>;9 B8 C* H. E; v( D6 c- Q
end; Y9 ^! C! v- g+ C( Y$ R" w
如果分支比较多，用： U* o o" i& Z3 ^" l
inspect <expression>
4 `7 `6 [4 F/ ]+ G. x when <constant_list> then
( k( q* e' U, T# b2 W* K: X <statement sequence1>;
2 r6 D* @1 J s2 u$ E$ { when <constant_list> then
# U q+ ?$ z3 N' [ <statement sequence2>;
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else
& H1 G/ q/ _$ \! x) | <statement sequence3>;5 T' H% c0 W! [% g( J
end;, v2 i1 x p8 {- P S- ~# g2 f2 G
- t: z, [" T7 M( [2循环语句9 |/ E8 u' w; |8 q$ q5 M; d
(1) from <statement sequence1>
7 t7 [8 W( {; w: S$ B until <condition> loop
! r, @+ @( q: D# y1 Q <statement sequence2>;) v0 H O6 H$ r4 }) Y
end;
, k2 V# F, V- F- B3 Q+ h (2) while <condition> loop; s4 a( Z& w/ r' K! R
<statement sequence1>;
- M0 l @& P' T4 c6 @! L7 V end;
6 A2 e; h7 H, H. ?$ Z) s+ z (3) repeat
+ J# k1 t* f# [" y/ h <statement sequence1>;
5 i, \) E. G Y8 L1 G1 [ until <condition>;1 L9 r+ d. l, q* L0 e
(4) for <condition> to <condition> loop3 E$ h* t0 g7 _0 D( {7 V. ^& J2 G
<statement sequence1>;
2 J6 P% a! F6 \2 P& q7 F% b/ e next;
. b8 K+ n7 z* S% c+ ~3中断语句
) I8 R3 s1 a1 d) b+ q5 r9 i waituntil <condition> prio <integer expression>;
2 y: b9 d3 B- f* O
9 x' o) f0 M( V( Q0 x# T4 ?" U; L0 e3 Q5 n1 \% T& t7 E
以上为常用的函数！+ \/ s& j$ S% v- X3 ]; T
还有很多，如有需要我把资料发到你邮箱里
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