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发表于 2012-11-13 08:48:12
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1判断语句
' K% W8 Z G3 x0 w5 G if <condition> then" V, I$ t3 r) ` }' _" f% I& }' S
<statement sequence1>; W. k/ J- p7 o. R3 Q& t# M; M2 M; f
elseif <condition> then
$ d! E& c. p" N3 h9 f* L! b: }, \ <statement sequence2>;7 P& v, M( i0 c6 F8 J0 |
else
, N8 h4 @. J: ]& `1 l6 S9 ] <statement sequence3>;
2 X: u! Z: V' ?0 R1 v$ i' X; S* j R end;
+ g& i0 v) \- s* o如果分支比较多，用：. ^# s6 S( u, |: w/ J/ \
inspect <expression>
% @9 S+ _5 n; q/ v9 h2 ?, E when <constant_list> then. v# d# u9 u# k5 X
<statement sequence1>;
- z/ X4 E3 S1 n3 Y: W- h: K when <constant_list> then9 \ F( {! n$ z/ q2 j) O
<statement sequence2>;1 B! H4 f# ~/ i
...
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<statement sequence3>;6 Y2 u& i6 {# L8 g' a+ R; ~
end;0 W; L. X, Z- L" Y# e+ m3 s5 N
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2循环语句+ @ V& H9 @$ Q5 h
(1) from <statement sequence1>. J* e: l/ }. e$ X; h# w% z# ]8 j
until <condition> loop
; z8 l0 `5 y; s# ?& q: E: d <statement sequence2>;6 O6 R; x5 z9 R% ^
end;
# f4 V$ ]: I1 F8 a! F2 Y: _" S (2) while <condition> loop
9 P8 g9 L7 _4 o8 N! `, d <statement sequence1>;
3 [; r, D1 ?, T1 e ]" K8 U* h end;
( g% Z4 \# r9 @ (3) repeat ; O4 B2 x8 O& I R; f9 \% _
<statement sequence1>;0 \$ o" w+ f7 f. A
until <condition>;
# J3 o, e' l+ M" g( v- l (4) for <condition> to <condition> loop
3 L0 J2 \( d$ m! n <statement sequence1>;& [# r1 L6 K2 g+ Q E) ^4 \7 `
next;: s8 k- d0 k% y
3中断语句* }6 E# g) k; _* F) o" V H
waituntil <condition> prio <integer expression>;
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( P; \1 R, A, d/ e4 y' s以上为常用的函数！
0 O- `0 }$ X$ e7 F6 }6 B还有很多，如有需要我把资料发到你邮箱里
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