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发表于 2012-11-13 08:48:12
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1判断语句' v% R# h4 E: v; p
if <condition> then
' v: Y+ [ }+ A+ o" [ <statement sequence1>;
6 Z3 Q! H: J H/ @" r! k6 @! W: Z elseif <condition> then9 I6 U7 s' M( H7 h6 N- y+ y. y
<statement sequence2>;
9 {7 }3 p9 o6 T7 }- M else
* W/ C3 B5 D) D. l# i1 r( q <statement sequence3>;
' n% s( [3 T" E0 F; S# B5 |1 x- O4 f end;8 r* m; e. o+ U" t* Y" U
如果分支比较多，用：: {8 E2 H# r _3 H$ `
inspect <expression>
! h8 Z9 n/ M9 B3 B- p( {1 [ when <constant_list> then/ F$ }' z: M$ v- e& o( R8 F5 E
<statement sequence1>;+ r7 Z* Y1 i; O/ R, h
when <constant_list> then
; T/ R9 f$ b, @6 b ^2 ^+ b* a <statement sequence2>;
q3 U$ f5 ?' Q' \( j ...
2 r! w" V- V/ t else" A$ n2 J6 ]2 E! h( K
<statement sequence3>;& x. [+ W/ Z" t1 n& u0 x
end;
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7 B& N, ^4 k* ? {$ x2 E9 r+ t2循环语句# U6 v- \ W% Q
(1) from <statement sequence1>
* r' Q: ]2 k! a3 {% a/ ~ until <condition> loop: `* z# W5 K A3 d( }
<statement sequence2>;, \3 t2 ^' I8 ]3 c0 Q( E# }
end;
2 Y7 F/ a2 r9 e& N/ A- q1 m+ Q (2) while <condition> loop
- r: C0 X' W! ^" Y <statement sequence1>;9 V; ]) N l$ n* o2 h
end;+ |6 @; k$ k; D) c/ l9 D
(3) repeat
" k, U! v7 s3 p6 s, s9 U! [) ^4 S <statement sequence1>;
5 G' O4 Y' g9 v. Z until <condition>;
; V* q# A& e3 E. D' y0 p (4) for <condition> to <condition> loop
4 s$ n& |. u1 e# t# ^ f/ } <statement sequence1>;0 r# \* ?( y. I( C/ l
next;/ H% [! @# @2 s0 p+ u" n( ]
3中断语句
; u0 F! y, i) V waituntil <condition> prio <integer expression>;
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以上为常用的函数！' }! ~' D0 j) A
还有很多，如有需要我把资料发到你邮箱里
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