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发表于 2012-11-13 08:48:12
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1判断语句
" s. o3 T9 p& F4 s8 j if <condition> then
- C" Y/ Y8 ^% p' P7 d <statement sequence1>;& L; ^- ~4 W5 a4 _* S
elseif <condition> then
$ X4 _& B6 A! _& V* J' M6 ~8 c <statement sequence2>;
6 i5 `/ y6 ^4 S8 _- W else & v4 K* @) s1 b
<statement sequence3>;
7 [5 R y. ?$ D8 W3 n end;
6 m3 R* \# b& n# E如果分支比较多，用：
* h$ R$ x7 W* M6 u) q0 y' a6 W2 ~! \- Z inspect <expression>. V# N; g" d& p' E9 z% }. n: p
when <constant_list> then
9 H4 b+ f9 m# r! s& g/ T" | <statement sequence1>;3 Y7 V/ [" q5 E5 C. F8 J
when <constant_list> then3 g$ b! P( z2 C
<statement sequence2>;
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else
6 g2 K2 V7 {) @( ~7 v/ Q8 K <statement sequence3>;
8 a0 w1 h% ]2 r0 c& d0 dend;
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2循环语句$ h& H+ _2 A* P
(1) from <statement sequence1>
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<statement sequence2>;2 U2 {+ Q: |, A; ]$ e1 D
end;
2 O0 D( y+ [8 [) X (2) while <condition> loop4 W' v. s5 ]4 i/ N$ i, V
<statement sequence1>;
, l# U9 S' P/ X end;
/ {" X6 o- ^! y9 L1 B (3) repeat
3 q: `! W; L* {* H( Z; G <statement sequence1>;
% a7 z6 q* P1 L# l) K; B" z until <condition>;
( I7 u' g% X" _& f! _9 P (4) for <condition> to <condition> loop' T6 c+ s b0 n% l0 D- ~. I
<statement sequence1>;
- `9 v8 v2 U4 ~* r next;
* V9 W$ e: W) p3中断语句9 W* u- X3 H0 l4 `1 q I ]
waituntil <condition> prio <integer expression>;5 [) P. E* H8 X) x" g
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以上为常用的函数！3 b! i* t& f! Q
还有很多，如有需要我把资料发到你邮箱里
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