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发表于 2012-11-13 08:48:12
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1判断语句
: y) T: v0 y; t: j9 S if <condition> then
0 j4 y6 p5 h8 e1 y <statement sequence1>;# Q- j. d1 {) e. o2 C4 `7 l) |
elseif <condition> then7 y! `& j: [& q8 E
<statement sequence2>;
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6 f. G* d/ B% Q3 e, T5 J <statement sequence3>;; [/ m8 c6 y& `2 z: y# g$ K$ o8 I; ^
end;
& M: ?1 @6 ^: n2 v; y' J如果分支比较多，用：4 S+ A9 f# f" S7 l
inspect <expression>& u; @ R, A/ N+ f& L4 \
when <constant_list> then; l& C X( Q& A+ ^7 ^
<statement sequence1>;
$ n8 U2 U" [' }" N' ]; j when <constant_list> then) `) A8 C6 Z& @9 u/ A4 Z8 u
<statement sequence2>;
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else
3 f# W* g6 Y! v2 Q* l2 v* S0 l <statement sequence3>;
' E5 t# \2 t5 Dend;% j( N! Z7 E& I6 m4 z5 k' V9 _' J
( l/ p$ d0 f/ \# t2循环语句- y' V) ^( \' w8 W
(1) from <statement sequence1>
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<statement sequence2>;$ T) k; k5 x- [
end;& E, X1 T% i8 a1 _! ]5 S
(2) while <condition> loop, ?% d/ P0 k2 ^$ Y2 b$ n
<statement sequence1>;; {& A! {+ }2 a* \6 I5 u2 N
end;
' q# a5 v0 [, i (3) repeat
* [, C: T' h# u2 w% s <statement sequence1>;
0 Q( `6 b( i2 W: M until <condition>;
6 Z4 \* O) k" a* V i9 j& G: P (4) for <condition> to <condition> loop
, Z2 l; @+ L% { K, l6 @ <statement sequence1>;
) B6 `2 c& s" T. f% f% M next;: X; k: w( j9 G# s% b1 q. |
3中断语句0 Y$ t# g% b8 O8 y8 z
waituntil <condition> prio <integer expression>;% z& }# [- B' X( e: s: y H1 D
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以上为常用的函数！
/ i; B7 y, ]; o2 ^# N$ r还有很多，如有需要我把资料发到你邮箱里 `8 F$ R1 l- P8 m: g
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