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发表于 2012-11-13 08:48:12
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1判断语句
. b1 q3 j& x# K* J! o if <condition> then
+ ~" k2 l \7 p2 A# ?2 P( t <statement sequence1>;5 ^# u1 h! q6 h* R+ j$ m
elseif <condition> then! N0 Q/ D& u r/ H% I* [
<statement sequence2>;
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<statement sequence3>;( F7 T, z: c7 [9 o6 H
end;
, W) W, K( H5 P/ b! u/ v如果分支比较多，用：
7 [0 f* r u# W) a7 R O inspect <expression>
* u6 A/ G m6 Y8 e: S. f2 L* U when <constant_list> then* L6 F: M6 F( J; E* C
<statement sequence1>;
; a7 `! _4 Q$ x+ u! \ when <constant_list> then
0 X3 T1 O" R" P" B I+ l- r" K <statement sequence2>;1 s" N7 i7 R: v4 ^
...
2 g$ F( [5 P9 Z) L% |% c; x/ z else
' M D3 |8 U" l+ n0 g <statement sequence3>;* y6 p, I) O, }5 V( I) s3 ~; n
end;8 \8 V( ?, p- P: p
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2循环语句
4 b) R9 j7 c9 c; r0 G5 B (1) from <statement sequence1>% @' V/ a1 f( a5 B" U
until <condition> loop
3 a4 C1 X0 Q9 e( k <statement sequence2>;3 O4 n0 C8 ?4 m2 b
end;
; N, F* d7 `! S8 q6 w7 E' l' n (2) while <condition> loop7 i. A4 v. f% W* M) V( A* Q
<statement sequence1>;$ v, g+ X" @7 q0 M$ H5 ?5 d7 d
end;( V; C3 [5 ~+ Q8 N
(3) repeat
7 D9 {# j) g+ ^1 f <statement sequence1>;) \) Z. f2 L4 r ^0 f8 B
until <condition>;8 w5 o8 S# a1 S% s9 T! G
(4) for <condition> to <condition> loop
, |' S1 I8 T3 v3 i2 R <statement sequence1>;0 M' Z Y7 `! a
next;
6 \+ b( R. B+ G r$ @3中断语句
$ D; h/ m; q% q* v- E8 P, p+ d. W waituntil <condition> prio <integer expression>;* `9 ]. k; }6 `" H+ ]# o
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- A2 e, ?5 e! ]$ P以上为常用的函数！; _# O! K) u3 `& n" S8 _* X7 w1 f
还有很多，如有需要我把资料发到你邮箱里
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