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发表于 2012-11-13 08:48:12
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1判断语句 E( q9 A' {- @" T0 ~4 Q9 i7 v. r$ t% g
if <condition> then" R, H- F' Q5 k" `" n
<statement sequence1>;! w! [: w- s, U$ u- Y
elseif <condition> then
9 h3 b q+ H0 V4 Y <statement sequence2>;7 a* a7 P6 K/ a# b. n
else
2 L0 f7 S8 ~ b& X8 N# C$ |, L# z <statement sequence3>;
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如果分支比较多，用：. m" {! B# q3 V
inspect <expression># s9 Z) h1 ^& h4 X. V
when <constant_list> then
0 T4 B8 q5 q" W' g3 P <statement sequence1>;
" X# r' y: O* o# p when <constant_list> then! i. @+ i# m2 u' K. U) a
<statement sequence2>;) |% r3 d! I: K( `+ q
...5 d: w E" k/ u2 O2 h+ \
else
+ l3 D) u6 Z6 |& v <statement sequence3>;
& F8 i2 H0 _* W, a7 C% S. t Iend;
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2循环语句
7 v/ s5 O. K) J& i- ` (1) from <statement sequence1>
- C& H/ m0 ? y6 z until <condition> loop" j: Q. A1 x4 P# s3 e
<statement sequence2>;
- f) F' ~2 {' M; M3 e0 d, ]8 m end;
0 I& D5 b: f& Y' D. r2 | (2) while <condition> loop+ }0 a" e3 a( H4 O+ l: R
<statement sequence1>;1 o8 k% b& R( O7 @# [
end;$ p/ [8 k; j! e' R" M( T* n
(3) repeat
( i( j S$ v" n* x, E <statement sequence1>;
3 a g+ {3 u# @2 R7 t) Z- | until <condition>;
" J) _: n [( Z; X5 s. C+ r" c( Q (4) for <condition> to <condition> loop3 N2 T/ ~4 O8 [' r, t
<statement sequence1>;! \! U6 G* F) y! |0 \3 U
next;
0 X' k; F1 ]3 h+ K ]3中断语句1 ]. f! z3 s; X0 L
waituntil <condition> prio <integer expression>;
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: b" h3 S9 S, `, w3 L; X# e. C4 M以上为常用的函数！
" V3 O5 v8 ?2 m0 `, _还有很多，如有需要我把资料发到你邮箱里
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