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发表于 2012-11-13 08:48:12
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1判断语句
: J1 J/ n: I4 M9 A& B9 K, K* @ if <condition> then
# _. }5 K0 K, A5 @ <statement sequence1>;
, e% V6 C- ^+ z elseif <condition> then
8 Y% M8 P5 ]) V: y+ }# P- T <statement sequence2>;
0 h8 Q4 f( I# d1 A8 G( Z$ ^ else
2 R" |6 t0 O) G, M! Z <statement sequence3>;
/ Q# \" Q5 C4 |8 {( q: b" ? end;
# X3 d) {+ a$ i* Y4 R% q3 y如果分支比较多，用：, i0 s6 g( S+ {, Z4 j9 v6 b
inspect <expression>- s0 m4 s% c$ q9 P
when <constant_list> then) g7 e; s" g$ D( f9 d8 p* b
<statement sequence1>;
5 z) J$ e1 W* P) h! x; B2 l% z7 A when <constant_list> then& m0 t) _1 l$ v
<statement sequence2>;
8 }- X2 Q0 f0 D6 b4 I+ M6 k ...
4 ~8 l! S& C* p+ g/ d, X else
9 e( g5 x A; L' u) a8 k! R <statement sequence3>;
S& V; n g) _% Q1 j$ V+ q: E6 bend;" r& Q3 b: X2 `- c
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2循环语句 ~" s- h$ W+ F7 }6 U; m4 u
(1) from <statement sequence1>
' f# m& U4 P" m* N7 S$ K until <condition> loop# a$ V- t& d b$ j
<statement sequence2>;0 r# {% m9 ]+ j
end; j0 o. M+ s- s. } Y0 Z
(2) while <condition> loop
+ }4 m1 s. Q* d4 j$ [ <statement sequence1>;
6 r& F5 c' |; E6 r0 J6 ^ end;, F2 |9 _! x5 ~5 V( I
(3) repeat
0 U7 j5 X& t+ f8 L4 U <statement sequence1>;
" V1 c9 y' W: v% x7 I2 j H5 S until <condition>;
" K" c! z" j# Q8 R/ d, T+ R: k (4) for <condition> to <condition> loop
1 \- B o- v: B: ]/ H- V$ W <statement sequence1>;
9 P' S/ _8 c/ g4 C+ C1 O! ? next;
( g8 T& Y8 {) _3中断语句9 f3 G' ?! l( t# f- ? j( d, s9 V: }
waituntil <condition> prio <integer expression>;$ |* E9 T% E: w* h
7 b f# u% O/ V ^. G9 n6 x
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以上为常用的函数！0 k. P, y) l2 z* B
还有很多，如有需要我把资料发到你邮箱里
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