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发表于 2012-11-13 08:48:12
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1判断语句
2 z7 Z, d. D, t" M if <condition> then
" w' B! M L8 R/ B0 j <statement sequence1>;2 |7 Z* X, Y; e* P* r! B1 [4 b
elseif <condition> then* Q2 f9 D$ r. z3 i% V
<statement sequence2>;9 l' r! i: m* Q. F; P1 | S
else
( i& [2 z U' F; c0 K <statement sequence3>;
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如果分支比较多，用：& O' |6 z3 g& X+ P2 R1 [
inspect <expression>
( W0 x1 D% c% h, B' Q' [" e& K when <constant_list> then) _" e9 i: c% ~4 |. @- x3 Y
<statement sequence1>;0 L- Q2 S9 Q7 @" |0 z$ N
when <constant_list> then
, M) w) {9 a8 W <statement sequence2>;' d& H3 {& u' q, R: ]: E
...
# x! F: u: S9 ` else
0 S/ K. A+ h- R- V$ z <statement sequence3>;
0 ]9 p! W' o6 Mend;
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2循环语句
5 `, v+ r& O7 x6 J7 a (1) from <statement sequence1>- u' A3 g2 d/ z2 h/ G
until <condition> loop! \2 m! C2 P3 c, N, B8 A! j
<statement sequence2>;0 i% i' z7 l5 r3 G& b0 g" i
end;
& \( k' j7 f# s2 ? (2) while <condition> loop
4 J/ b& s8 i8 @7 a( H <statement sequence1>;
* k4 W# F# P3 [+ l7 Q end;) G% b3 I/ Z% m3 r- v
(3) repeat
% S& J6 j6 k, p- H+ ^& P <statement sequence1>;* T9 C: `$ {4 }5 H% Y0 L8 s
until <condition>;
% T, H$ H, l( K+ t9 v" \9 |( D9 S. K (4) for <condition> to <condition> loop
- K2 e9 Z) {$ s$ g <statement sequence1>;3 b9 N! E; g) ]& {7 B
next;
7 v! X9 Q" ^5 d" B$ j3中断语句
( Z$ j; o# A6 H4 O; O& Q waituntil <condition> prio <integer expression>;
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+ \2 r8 W$ [& c& D y! @* t以上为常用的函数！
7 [, N( }; D* E% M) i/ X' c还有很多，如有需要我把资料发到你邮箱里 $ c0 ~, o* Q2 S& X8 j
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