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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;
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<statement sequence2>;
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<statement sequence3>;( v$ n6 m8 j- a+ i) Y2 ?8 d
end;
# Q8 s" G9 `/ v如果分支比较多，用：) [! U, s, p" e
inspect <expression>
# i3 d' r- }: r5 j when <constant_list> then' \) o6 J( r" o2 J0 `
<statement sequence1>;' s! m8 s4 A5 W- G( w
when <constant_list> then
3 l! I* B* j! Y: O' R <statement sequence2>;
$ P- w) {# ]* r- g ...
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<statement sequence3>;) N# k& u$ D0 N" u2 j, x! n! m
end;
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2循环语句# X! R7 |" u. t; B4 I, ~
(1) from <statement sequence1>0 b7 z+ C7 L. ^9 t
until <condition> loop
+ P4 E: i9 b& R5 ^" I <statement sequence2>;
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(2) while <condition> loop
' S* D' \! U3 h; m& u% h; l <statement sequence1>;
1 M# r* n( S( s2 b$ z end;
) ^4 m* o. I; o8 V }, {$ Q3 Y& `" t (3) repeat 9 L! a3 @: l- V3 n0 S. D8 Z1 r
<statement sequence1>;* P; Z- `& u/ X
until <condition>;
5 J8 } q2 Z: x b1 w (4) for <condition> to <condition> loop
0 J4 B$ z2 d; R! f8 g: C <statement sequence1>;9 r& ~9 V1 z- R# F. m& P; U. v
next;* V r9 y" _# U) u2 L9 I$ R. D, U
3中断语句% y# t0 I# {4 ~# u8 T* T
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
* i: p- c" G& S9 ^# D7 [# W; j还有很多，如有需要我把资料发到你邮箱里
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