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发表于 2012-11-13 08:48:12
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1判断语句
$ T7 S2 C; O) ]9 Y9 Q$ G1 o if <condition> then
& X5 G# @& I: C# W$ | <statement sequence1>;
- u/ ~. o5 H5 x* l! m% _ elseif <condition> then R3 R# F5 L" T. H7 c; e% Y% {
<statement sequence2>;
9 }* h" l- X, b. [" [ else
3 O9 e4 ~! d2 L: G <statement sequence3>;
# f8 L, X7 E/ p7 n) D end;
8 I$ z8 C* n! O A" ?如果分支比较多，用：
/ A" u7 q* b! N$ ?- U inspect <expression> u# t- [& A0 o2 s6 U6 m5 C
when <constant_list> then( F) u4 K0 v: k7 N/ V9 P
<statement sequence1>;: q8 r+ r5 ]9 R9 D! G8 N1 l1 \- \
when <constant_list> then" J( }# W9 P, ? I9 Q
<statement sequence2>;
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else% p8 u$ t! p. g# X, W
<statement sequence3>;* l9 X' w( S% @% J/ x( v9 O' i: h
end;
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4 a: c. G1 V7 p7 g+ E- t2循环语句
/ Z% |2 F/ r) A* X7 O7 F. u (1) from <statement sequence1>0 `- V6 b6 |( h! o# o1 H2 U _
until <condition> loop
- [1 u. j5 P6 Y <statement sequence2>;
1 }+ A$ R3 {2 D+ N' O) S end;( L9 e, H) [: b$ |7 m$ `
(2) while <condition> loop
K- p7 Z! ^+ q1 X <statement sequence1>;. h* n4 x$ i* d% R! a
end;
X! P3 K9 y( Q7 w1 |, y4 d (3) repeat $ O$ q. V, b4 Q! S7 y
<statement sequence1>;
0 l2 y" ?0 `# C; L, Y, E' H6 j" _ until <condition>;
X0 d, O8 o- C; R8 V; G) ^ (4) for <condition> to <condition> loop
4 T$ O# S. k- u. s$ \% n <statement sequence1>;& m, @6 V! b; m( z
next;
. U3 t2 w8 ^ G. S( A0 ?3中断语句
$ T$ T- u2 H# q& P waituntil <condition> prio <integer expression>;
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以上为常用的函数！- J3 j+ h5 i+ _+ [9 T7 n
还有很多，如有需要我把资料发到你邮箱里 9 \. H3 Y% [: o: F
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