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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;
( {4 d# D% O6 r elseif <condition> then" X7 y: [5 Y% N/ T* P- _- k
<statement sequence2>;
, |7 ^8 G5 C$ v else
3 j6 M$ }0 A& z& x' a) O <statement sequence3>;
1 h' @6 j/ `. M7 M- K end;! V) R- h; l: ]/ u) V* B, M2 f
如果分支比较多，用：
+ ~; n, {$ j P5 c" P% N' W- O inspect <expression>; O7 B0 v/ ^% B5 Y
when <constant_list> then: s! n: A7 F" c7 k9 Z
<statement sequence1>;8 v) X# a% I% `2 g
when <constant_list> then
1 _7 s8 I( K" N; s <statement sequence2>;
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else$ b$ K7 L$ G6 g0 x5 i
<statement sequence3>;
$ N$ `" g7 m/ {6 }2 Rend;
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* m" v8 p3 O# d* }2循环语句3 L) V# `3 ^3 p* y0 l4 F- A0 ]
(1) from <statement sequence1>
$ d+ M4 V% H" Z0 ], X until <condition> loop7 A* n `# [) i) n% O8 r, I
<statement sequence2>;
% ], @% C* m4 Q! ?( `6 l6 D3 A+ ? end;
; |4 [; d- v* i. u; L$ u (2) while <condition> loop4 }' t; E8 H% x- W w
<statement sequence1>; Y7 W8 {% J3 p* O) |: N( f1 C
end;
[, D# Q# P: C (3) repeat 5 I" m; B: X) P* c
<statement sequence1>;" u5 P( b* }% L ]$ |
until <condition>;
7 H- a7 D' L, }7 ?1 W (4) for <condition> to <condition> loop5 |' E+ Y- B# e; @) F2 G
<statement sequence1>;
2 _0 S x/ O% D. i8 ^6 \, v next;
& d) x s1 f" s2 J5 y; f3中断语句
! p: W j5 ?4 q/ q2 c waituntil <condition> prio <integer expression>;
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以上为常用的函数！) o1 m1 k3 n& x
还有很多，如有需要我把资料发到你邮箱里
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