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发表于 2012-11-13 08:48:12
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1判断语句
9 n H# l( C$ `) U, a1 l if <condition> then
; M ^9 f J: A; D' z Z <statement sequence1>;
0 b& P3 b1 b4 n8 ?% V elseif <condition> then
6 A9 R0 z/ L# G <statement sequence2>;
' N1 }( x0 A( y7 f8 V else
3 i4 [+ \- d* @7 |3 p% } <statement sequence3>;
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如果分支比较多，用：
9 U* t# F+ U' `2 _ | inspect <expression>
6 t8 u) ^4 V$ @9 a* K4 e8 U ] when <constant_list> then
6 C% |1 [) T2 y8 C* l <statement sequence1>;! x1 N1 Y& z3 q! t, S6 c
when <constant_list> then
! M* W+ Y* l: y' t% S <statement sequence2>;
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else+ P" e0 |4 \' s" E
<statement sequence3>;
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2循环语句
# H: G l- `& h (1) from <statement sequence1>+ U; ]8 O+ t4 D U' I
until <condition> loop. Z0 d L$ D2 `' Z% b6 c" ^
<statement sequence2>;6 q) r' D4 M+ ]
end;0 c7 S: F/ P: T' x) H" C
(2) while <condition> loop. I# X3 x+ R$ _; C, _; ~
<statement sequence1>;
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(3) repeat
) v+ \' r9 R( O6 A( a" H <statement sequence1>;& [, D% [: b7 T. H9 [5 I4 j0 P
until <condition>;% V# I* S0 w6 Z( l4 q6 u
(4) for <condition> to <condition> loop* S$ x8 p: @% K7 ]2 b- V. \5 |
<statement sequence1>;2 h! H8 f1 M8 N+ V4 h* ]
next;
& C" O% [; P: E" x, _/ P9 }3中断语句, R8 P* P \9 E- `: M& d2 @1 S+ W
waituntil <condition> prio <integer expression>;
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3 K7 b: l, e2 A9 x1 f4 i以上为常用的函数！- K3 I5 R8 R3 s* I3 v9 D
还有很多，如有需要我把资料发到你邮箱里 : X* [, ~$ K0 }
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