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发表于 2012-11-13 08:48:12
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1判断语句 s9 S W0 f; t9 R' D) p
if <condition> then9 B+ P4 h" v3 q6 B* [
<statement sequence1>;# n3 x S$ k. x G4 }
elseif <condition> then
5 b2 b# u- G9 }' I* e; _ <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
3 I7 p5 e g2 G! \ inspect <expression>
i/ ]) T1 m/ y2 r) H! N5 k when <constant_list> then
" i9 c% n4 W( [' ~3 V( w- x <statement sequence1>;& y0 P! n- ~. r" w; G
when <constant_list> then9 G- S0 @+ Q6 P9 O( F
<statement sequence2>;' Z) u' R2 d( G7 J
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else
9 ~( o$ u; K1 c+ V+ `6 V <statement sequence3>;' R1 v& [8 [/ c" z1 |. m
end;
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3 [5 P4 t D; J# N) z0 ~7 F% j2循环语句, X4 b( y+ F( G0 K
(1) from <statement sequence1>8 h) g/ z4 g5 q2 C5 j' h9 a& X
until <condition> loop7 S3 @% f* N! k2 v' V+ s) C9 O, P
<statement sequence2>;6 J8 j" r/ @6 |* A, w j( v
end;
; G9 O( s) y& H& W1 d! _ (2) while <condition> loop9 J1 u* O; h6 D6 M6 ]6 O
<statement sequence1>;
( B9 g/ P) _2 z- }1 q7 a: s end;
6 h) I! V( n. ^4 a/ G. v+ c$ C (3) repeat ( l; N: G6 j3 t# G2 q5 d
<statement sequence1>;
* ` v2 g. e6 j' } until <condition>;
3 R3 S% y! r: W4 X (4) for <condition> to <condition> loop
* y5 u M6 i4 z' h% ]# U% K1 w <statement sequence1>;8 Z' ]$ a; g- w( t1 _0 w
next;
- g& y/ j- F$ L8 m3中断语句
H. g U8 b n5 D6 o* C$ ^! p waituntil <condition> prio <integer expression>;
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以上为常用的函数！2 Z' [' K" @3 \1 I
还有很多，如有需要我把资料发到你邮箱里
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