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发表于 2012-11-13 08:48:12
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1判断语句
6 W( C2 v3 U7 P: q! e if <condition> then2 V3 _; \" O) l& {. n
<statement sequence1>;, ?# q; w6 z' o/ i
elseif <condition> then
3 M. q1 W7 Y Y3 j <statement sequence2>;+ b$ `3 m1 @- H. i0 R4 z
else
& V4 X* O$ [4 H" ? <statement sequence3>;8 f5 |4 j1 Y- Q+ y. m. P
end;
" L1 }3 x) c# s8 [; w9 e& k% v1 B- i如果分支比较多，用：$ z, K. E6 O) c
inspect <expression>
2 ^* z d+ g3 B( ^ when <constant_list> then- C' W# u4 D) q/ f- f7 J
<statement sequence1>;
* t9 h: q7 w) ~% T: X4 a when <constant_list> then
% J( h' b: k) V <statement sequence2>;
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else0 x5 q% Z$ r) |
<statement sequence3>;
0 ~, Q; W p6 oend;) Y) F! |: E* E7 J0 R( i
" ]+ Y5 c5 u$ w/ W2循环语句9 T- O0 }* Y/ x/ F- o5 a
(1) from <statement sequence1>) |# w4 T2 e7 y6 ?, L8 |
until <condition> loop
& p6 O" D N! Z6 ^ <statement sequence2>;
$ u) r" i' `6 J. t end;
9 v! P" {: z/ W1 W' P: J (2) while <condition> loop
' {5 P3 W0 ~0 ]- h <statement sequence1>;$ h4 h% _& {/ V8 p4 N+ S# R5 R
end;
% H5 \# H- D" e& X: T (3) repeat
; s. t% [* H' y <statement sequence1>;
C2 z: v# ?" _! o3 [7 h until <condition>;
7 {2 e5 ]# h) o: `3 \ (4) for <condition> to <condition> loop
( `3 Q# x, f0 P: n <statement sequence1>;
8 ~+ e8 Z0 _1 S- V1 a next;" d Y" x7 n* ~# ^" @/ b. I3 {
3中断语句) i% Z8 K! V& S! M3 h7 i
waituntil <condition> prio <integer expression>;
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7 i8 |" i, C7 J- a; i9 q
以上为常用的函数！
! Y) z! ]* r1 p, K& F, Q( t还有很多，如有需要我把资料发到你邮箱里 * z. S# ?# F9 L) U" {% O4 C7 d
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) Y9 B* o o$ w+ p) g' P
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% I8 d G0 R* d* [( @: r3 R5 d1 C: r4 b) c5 x4 q8 w Y) c
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