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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
' R% P; _( u: V if <condition> then
$ U2 V: u% `7 Y7 a. M- s <statement sequence1>;
1 ^) }% @) J+ ?) n$ L( y7 f elseif <condition> then
% h2 C1 W! W" C <statement sequence2>;
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<statement sequence3>;0 A" c' g9 v; o5 Z: _
end;) b, |* A0 Q! ^& D7 j5 s( Y/ H
如果分支比较多，用：( c$ V Z, I6 {8 V: p+ C! o8 W( }
inspect <expression>
. h: w) n, h& m4 r9 X; p6 x when <constant_list> then$ n4 @( Y. S- F. ^
<statement sequence1>;
+ r. {. ?- w# `) F1 X" {: ^ when <constant_list> then3 Q8 S% l* _( W1 F' q9 w7 z8 r
<statement sequence2>;
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else
# d/ O# Y2 {8 l4 P <statement sequence3>;7 @. L. R& y- U9 X9 I$ K
end;
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* l N* W! r! J2循环语句
2 V3 N. F' a4 y* i! y/ a (1) from <statement sequence1>
6 |9 A6 }% [( w+ o( g% n- o until <condition> loop
; q i' {5 x3 F/ k1 K, T9 z <statement sequence2>;5 W- i- _0 t7 m
end; E/ n% \* [/ T; ^$ }* U, o
(2) while <condition> loop
9 L# j: q0 k% l- e% v8 o <statement sequence1>;
2 d3 H, [+ E# H1 C end;6 u. \- T7 T0 R6 @6 o2 {
(3) repeat 7 r, Z C2 j0 p7 s- m. Q% ~
<statement sequence1>;
' {- r% H2 u5 X8 K2 M* ~4 L9 r8 k1 p until <condition>;1 U3 }4 O/ B& o; v# y
(4) for <condition> to <condition> loop
# I3 y) O9 ~, O3 D6 R5 o7 N6 g <statement sequence1>;6 s! m2 x( W; W+ H* X# D9 {' W
next;2 x) v! ~3 D8 T% ^
3中断语句
' P! G2 J z* N% b# m waituntil <condition> prio <integer expression>;
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4 ^0 {3 Q C! p0 x R8 |/ \0 R* M以上为常用的函数！
* u. U; b Q# ?7 t# T9 W8 c7 w还有很多，如有需要我把资料发到你邮箱里
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