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发表于 2012-11-13 08:48:12
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1判断语句 M+ p4 u7 B* I2 B) V
if <condition> then
' @( J1 f- j. S% b. t/ x6 S <statement sequence1>;5 A5 @( z! Z; }" ~8 C
elseif <condition> then2 w2 J+ Z8 n4 P3 M
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
0 L( v1 N0 l! i$ i& a$ Z. Y inspect <expression>
3 a" N6 u# N& y `& j when <constant_list> then
, |& R4 e" }5 b: M7 L <statement sequence1>;
# s$ b" n# x1 ~ when <constant_list> then
6 ^7 [- \! P+ V4 _( N! Y/ b+ v <statement sequence2>;' f8 M, O m# G' E' M
...
B: a' {8 G+ ~# P$ [% m$ g- I else S( g; S' y$ l2 Z8 X k% x
<statement sequence3>;
- N* E& S. z6 f0 Fend;
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9 Y# z% I. p6 [) i; ^6 W. v2循环语句
" I8 f: I/ {- e3 ~ (1) from <statement sequence1>+ F" z7 [2 n F5 e: O# S
until <condition> loop* Q& r; _6 W7 S! A
<statement sequence2>;
/ }/ l9 u& a1 g" A3 X end;
( t+ i/ n! }/ I. T$ d/ U/ i (2) while <condition> loop, P& K Q$ ]( k+ j' }! C: J
<statement sequence1>;
5 I) `( Z6 K! g( O* ? end;
4 |0 i# V/ w( U2 b (3) repeat 3 F( Y# m, g) H7 B( g
<statement sequence1>;
1 }1 G* n8 ~2 c: j: c until <condition>;
! a- O% @8 S/ E# g' ` (4) for <condition> to <condition> loop
' F& R( Z% M( i/ X" o <statement sequence1>;
0 v% Q) `( `3 E* ]" @/ @$ f next;) ~3 |2 g3 [( x0 g5 `
3中断语句
. _6 [& t3 H3 s/ Q1 S0 n$ P- v- b waituntil <condition> prio <integer expression>;
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以上为常用的函数！: O! i& P( ` h& x! ?) o! M
还有很多，如有需要我把资料发到你邮箱里
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