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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
; }2 m; U0 J- K; U, d& }3 l if <condition> then6 d( Z( M+ Q/ `+ k6 u
<statement sequence1>;$ E7 i: h1 o8 E( o8 N6 { Y- N& N
elseif <condition> then
% n( _0 t! h% p* ? <statement sequence2>;
' q: w( ^5 y9 }2 h, I/ l else " e8 T. B8 B5 ` D' X F
<statement sequence3>;* ]2 Y. ]9 _# ~' s0 ?
end;
0 r/ Q* x. D' h k- u" r如果分支比较多，用：8 m- Y" L: v" L" R
inspect <expression>
/ ~8 r3 V/ H2 Z when <constant_list> then
* K( o/ w! u h+ m+ e) [ <statement sequence1>;
2 q1 k3 T" g( P* P8 ~/ K when <constant_list> then
0 {/ G# C" R7 e7 s ]7 [& i <statement sequence2>;+ n0 P: y3 _1 E6 |( g
...9 u! \0 ~; _ I6 v4 n3 m- C: F
else3 k. f* A* D5 }8 j4 t* s# L# L/ V
<statement sequence3>;- A: m$ Y5 |/ O# f7 k7 D2 ^- n, Q; g
end;- ~, A9 W- l! |& X# g- K K2 d
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2循环语句
4 }$ k# o4 a3 ~! D4 k7 l" Z (1) from <statement sequence1>
]- M# a; |) ]% Y/ c! V, b until <condition> loop
^0 N/ z4 V R8 v" | <statement sequence2>;: l. ]' A/ P8 ?( r1 e! |
end;9 R' ?+ _1 \; u4 d
(2) while <condition> loop
9 m. C J. ?. ?# B: D <statement sequence1>;
0 W1 Z3 w: S3 d3 I+ x0 n3 t5 D' h$ T end;, d2 w Y* G) T( C" ~
(3) repeat * x, `% I/ u$ r! i; [3 F
<statement sequence1>;
3 G' A/ ?3 x0 p }4 I+ Y8 e( e until <condition>;. A5 ~' W: M0 g) O8 u: D5 _+ _- i
(4) for <condition> to <condition> loop1 D8 {4 C0 a7 p1 d2 O5 n: i$ ~
<statement sequence1>;$ r) C0 P7 b w8 i9 Y
next;! ]4 X, e5 B; w6 M3 D1 O
3中断语句
9 P9 i/ Z) } C9 T% A! Y waituntil <condition> prio <integer expression>;. ]6 A- k s' g& O: y
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以上为常用的函数！
0 t1 N9 V2 u2 i( @还有很多，如有需要我把资料发到你邮箱里
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