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发表于 2012-11-13 08:48:12
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1判断语句8 q8 P! ^, F) P6 S4 ^$ C
if <condition> then
$ g" D8 a _, a <statement sequence1>;
, Y! ?/ a2 l1 l; q6 l! @: S2 ` elseif <condition> then4 f: r; v5 j1 Z( _" v
<statement sequence2>;9 G7 ~7 z5 E- k; l4 ?5 I
else
. B3 q% P5 Q7 D# O* Z& n <statement sequence3>;2 j* o" G. s" L+ `
end;. k/ i: b; u9 K; P$ @9 }* o
如果分支比较多，用：
6 q( u# \7 ~( A4 B7 W% K0 c+ v inspect <expression>
1 S3 v7 \ }" }& D3 m2 ^ when <constant_list> then8 Q1 y) Q3 }) m$ f2 Y
<statement sequence1>;: m: ^# i$ `! w3 Z5 S5 R; K
when <constant_list> then
0 A# ]8 {' V2 }$ C7 { <statement sequence2>;
t3 p& U" Z) w% C1 y" l' Q2 x$ f* i6 c ...9 }; a& F A+ K4 H
else1 t- Q0 N) u; j* W6 ?
<statement sequence3>;" q6 d* l( z- S
end;- ~' `, d0 ~9 F( d1 T& [0 _
0 C: L, e/ @: h" j1 W2循环语句& P8 U" F# z0 v. e
(1) from <statement sequence1>
& f! F$ r7 q P( A+ N" t until <condition> loop1 p: U) p/ Y0 v! i
<statement sequence2>;+ @' e) r4 H$ P6 v
end;
" u! W' R6 d8 Z) q. _6 n (2) while <condition> loop
( H3 p' ~. ^; n- y3 a! C <statement sequence1>;
+ J% ^3 H9 @; D* ~) ]2 c5 \& t; Z end;$ f' ~: |; k5 I3 D( K
(3) repeat
. s4 Z, F/ }( C* z+ T5 X, X, L/ t <statement sequence1>;
6 v g. k1 o, w; X9 Q2 O until <condition>;
3 s4 w( n3 }6 x& ^6 P8 X (4) for <condition> to <condition> loop! n- V& K2 ^! P: H
<statement sequence1>;
$ p9 E% P/ |; s next;
1 `/ i) F6 d. P" W) F3中断语句: k- N0 I# ~4 u: p
waituntil <condition> prio <integer expression>;
+ F4 N0 L: } y5 Q* j. V/ y8 }1 {0 W& J* ?" G; @
2 A, `' Q9 a2 s( V以上为常用的函数！
! u/ p! H3 ]9 M6 Y, H还有很多，如有需要我把资料发到你邮箱里
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