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发表于 2012-11-13 08:48:12
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1判断语句# y- S4 N. l; z! v
if <condition> then2 M- v7 w' g" z# ?5 a; v, O- R
<statement sequence1>;
' s! w z6 v* C c2 |. V0 N elseif <condition> then
5 e2 P6 ~" _& M- W <statement sequence2>;2 M/ C2 Z- F- J' b3 H
else
0 [3 Z7 T% Z1 E; X <statement sequence3>;
0 c4 M9 u' [8 g9 h/ _ end;5 L0 M: ]8 X! g" q$ ?
如果分支比较多，用：
m; _& W' L3 e4 j1 q& A% O inspect <expression>0 x' n3 M$ y6 H! g& e6 `
when <constant_list> then
7 {+ s( m$ H3 }& m; o <statement sequence1>;" ~: }% i& H8 `0 B- W k: g5 V
when <constant_list> then5 q# x7 v/ c$ P* X% z7 ^! E: z
<statement sequence2>;
- }: f% H7 o: J- Y; \ Y$ t5 U5 R% g ...
6 t) w8 e3 v! X3 J$ d/ ^ else
+ q0 P2 n) r( O <statement sequence3>;: @+ e( X8 l+ {1 E' F8 ?0 D
end;
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2 e: q# a( r+ D3 }2循环语句+ q, A1 N$ e- F' e
(1) from <statement sequence1>
( |8 z5 D: g- R. Z: W until <condition> loop& d% v* W( f+ j0 b
<statement sequence2>;
% N4 E8 k# C# E4 N! c7 | end;
" G7 |! X/ G. W o8 f8 F (2) while <condition> loop
; f: D/ }+ q1 ~/ v% V <statement sequence1>;
1 e& ~; d/ P! U8 N* e. v end;2 O+ |5 W$ Q) b, ]7 W) E0 M
(3) repeat
% P: z3 Y/ P: {6 U+ P5 R6 U <statement sequence1>;
5 j- V' D& j& B: ? u/ f until <condition>;
& |. s) C' I* {# v (4) for <condition> to <condition> loop
6 c/ }( H9 G+ F9 d$ T <statement sequence1>;
% c; X. Y3 ]( i' G6 N next;
0 r4 b1 J4 N$ N0 G: ~- p, Q* P3中断语句
1 e. z4 R! e% r7 X; [ waituntil <condition> prio <integer expression>;
/ U, R1 e3 }" M+ Y8 B3 p h' K& p6 L0 v+ {
- L9 d2 U% k# m5 p% q以上为常用的函数！ r. U2 w% W& e- w
还有很多，如有需要我把资料发到你邮箱里
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