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发表于 2012-11-13 08:48:12
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1判断语句
7 u3 t$ B5 U+ N0 \* B3 g+ B if <condition> then/ @; f5 t7 T* l& E# W) _5 |6 c
<statement sequence1>;
% j+ r$ O0 c8 c# V% q* U elseif <condition> then
9 E, ?1 C! d& U0 {$ b8 ~ <statement sequence2>;
+ T B( P; W8 v0 G F2 H else / q( `2 Z8 y/ v& M# ]" k
<statement sequence3>;! c$ o' { H0 m2 v, D- L
end;
- |; i4 G7 Z. Z# Q2 Z( S* I# U9 W如果分支比较多，用：
% y) F1 q1 d0 E! h inspect <expression>
A' x9 e1 U' Q, D$ O, }6 @1 B when <constant_list> then
, I" i6 t, U! m5 }8 T: A7 P" s; o <statement sequence1>;
/ R0 F2 k+ n9 q, K- W D# v when <constant_list> then+ @4 {0 |; p* l7 K6 y ^
<statement sequence2>;
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else+ U% I5 R1 c* m' G: \( G
<statement sequence3>;
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: y8 {4 }/ c e9 ?
2循环语句+ P: B0 ?: c$ p& b0 X
(1) from <statement sequence1>
' M6 l* D( t0 Y8 \ until <condition> loop
: {4 R- S" H& b1 T6 S; q! n$ `% { <statement sequence2>;& d1 X. w0 c3 j) p" V: B
end;
( w% C& a1 f8 l! F5 F9 u C$ }, _/ D (2) while <condition> loop
. n& @; I5 e/ ^* c; F# Y <statement sequence1>;
: O, k& I4 V/ N+ ?: @ end;
0 ~7 a. b0 S0 G (3) repeat
0 B9 ~5 M' \- Y <statement sequence1>;
x! _" j% P' r+ H# h' [ until <condition>;& i& E2 `5 z, v4 U( q( z: b& U
(4) for <condition> to <condition> loop
! u! C6 m. t0 u x1 J <statement sequence1>;
$ J. l% L/ E) G2 [, E next;2 ]& }0 t' ?$ v5 P
3中断语句" F0 O& d: y! l* P9 C. [4 |& J( }
waituntil <condition> prio <integer expression>;
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以上为常用的函数！5 O f' U+ c1 p2 Y
还有很多，如有需要我把资料发到你邮箱里
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