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发表于 2012-11-13 08:48:12
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1判断语句
0 f7 b/ g( \, n- h/ p% |5 | if <condition> then
' ~9 s, A( X% J <statement sequence1>;
7 Z$ n& P4 N( p. m9 _# f elseif <condition> then
1 Y8 C* o" {+ o2 s2 m <statement sequence2>;
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<statement sequence3>;
, X5 V& j9 y/ `5 P- q6 F end;! |# m- Y( c; k4 e: F
如果分支比较多，用：
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when <constant_list> then$ A: v) p: n6 u* z) {" l& g
<statement sequence1>;
% _! N2 V4 ?! u1 O1 B: M when <constant_list> then
6 B8 Y$ u* {7 J: [6 J8 |# s <statement sequence2>;) n* U5 O2 `2 }2 _7 i% d1 C7 c
...0 g( K3 F+ z5 X ?
else5 l. t! _( C/ N$ @
<statement sequence3>;, s3 I7 P' z) \
end;
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0 j9 j: k+ ?7 N! z8 @$ Q2循环语句, k: o/ Z5 S8 i# H
(1) from <statement sequence1>. D5 q: `4 `: U. w* Y+ g
until <condition> loop
# }) i: C; }+ h9 B. H3 u <statement sequence2>;" s; L7 R/ k2 T# S% b! E- V) n
end;8 u( J! \0 C, F- V
(2) while <condition> loop( N: V9 |' `' s4 z4 s
<statement sequence1>;$ Q, R; {$ b4 l
end;
" H! n, X: K9 q (3) repeat ; @ X9 L4 \6 o/ r2 d) q' ]
<statement sequence1>;( ] U: c+ v3 O9 a( n \8 n
until <condition>;7 F& E$ \7 H; D
(4) for <condition> to <condition> loop
2 R* u% [5 B$ C* [ <statement sequence1>;7 X/ W, @- M& Q2 ~6 E0 O7 z
next;
. g' h- z, u& W+ z+ ]; B3中断语句/ E) b) V, |1 a6 |
waituntil <condition> prio <integer expression>;6 U; Z8 [, F n! I1 |% G$ [4 d
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以上为常用的函数！
- B: Q) Z9 Q A" Y$ o0 ^还有很多，如有需要我把资料发到你邮箱里
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