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发表于 2012-11-13 08:48:12
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1判断语句$ f7 Z/ J6 w$ B* t& R
if <condition> then2 ?# H y# d, a" z$ e4 H) v5 U, c
<statement sequence1>; r/ L% ~+ v8 S3 A! R
elseif <condition> then
' w7 B! j, d5 A/ U. v7 P5 i* A7 Y <statement sequence2>;+ H0 p$ K; A! q3 ]2 t
else
4 ]( o4 w# O0 S$ ^1 F) H <statement sequence3>;
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如果分支比较多，用：2 \# Y, [3 G1 P3 F
inspect <expression>& W4 |* Q3 m- y, v. T# F
when <constant_list> then
3 r# u, k! J4 y d) I <statement sequence1>;1 f R7 L4 M. m& G- W, P
when <constant_list> then
6 W1 I9 i& b# u2 c5 z <statement sequence2>;2 g3 y9 W3 t5 i% S1 m: C9 w
...
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<statement sequence3>;
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2循环语句
3 E) |* z( [; z8 S' B (1) from <statement sequence1>
* h2 i+ E& f0 z) e until <condition> loop
; ~3 k/ C& s( D, r) h6 j, B* p <statement sequence2>;2 ]6 W' o* U6 n+ C; k. J
end;
! }/ Y8 t' l4 C' Z+ a8 D+ L (2) while <condition> loop! G7 f; p* @& v& ~8 ~: K" d# V
<statement sequence1>;
% r/ S0 y" w) J4 w7 v0 Y% i4 ^1 g; l+ S end;; P( B7 O. r) H! ]/ ?: o$ C% X3 G
(3) repeat
, U; g4 k# X2 ^) A <statement sequence1>;% W! j/ S+ f/ `9 P- o7 q8 f
until <condition>;7 N0 d2 F6 m, P/ T
(4) for <condition> to <condition> loop/ x) L& r: [6 i
<statement sequence1>;" ?, P( N- m$ s& f K2 x; P
next;
% B; G, d U; E+ ~3中断语句" W; ~9 V5 z) w; `
waituntil <condition> prio <integer expression>;' }' {2 w9 n1 l
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以上为常用的函数！
$ }5 m0 N( L2 g+ q+ D还有很多，如有需要我把资料发到你邮箱里 + @, A2 t% Q- v5 s$ L: l
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