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发表于 2012-11-13 08:48:12
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1判断语句
3 f' v; i" V- h5 A if <condition> then7 J, B% t1 C6 g- j9 W7 X5 R% ?
<statement sequence1>;
0 Y$ c. {* Y* g! P; h elseif <condition> then
8 I1 Q1 L; Z6 V- k& a6 { b <statement sequence2>;$ [3 a$ R. i* t+ y3 w5 ~' D8 N
else
6 `' C# A6 }: f" k <statement sequence3>;
; I% B1 R; I: [1 [! v M2 z$ c end;$ h- f: d5 e8 g8 j2 n8 O/ @
如果分支比较多，用：% q; V% L9 }$ ?) ^! u, E" c3 t
inspect <expression>+ \' [7 _. J$ Y& ?' C1 J" P! ^* j
when <constant_list> then
5 p* Y0 b. n: z6 o& y0 |- D& _( o <statement sequence1>;
" z7 x4 L) L" W, N when <constant_list> then- c9 o4 n" r+ I( ` O8 V
<statement sequence2>;
" s. Y, S3 }) @, u5 i. O! [ ...
3 Z" V* P- B/ {2 c0 T+ o% D8 N else% [# A, n, {7 b- s- C! Z$ X, L8 i
<statement sequence3>;
# A/ n9 V1 O; B: \end; }$ u' G. {- v2 U( ~6 X4 W
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2循环语句! @) s, [! p) X) u" _
(1) from <statement sequence1>
1 {# K5 j' D, r, D2 D# o: u1 I until <condition> loop. K" P+ b" F! x& {* j0 ]
<statement sequence2>;
5 U3 G/ d2 T* q end;
* i2 O1 }8 J1 Y4 ^) k/ L5 `* { (2) while <condition> loop+ B3 N/ w- P& s0 n! ^/ |
<statement sequence1>;
! A8 w0 N# u. ~* }4 \ end;; X6 T$ c% `5 {" t; N) u* h6 u
(3) repeat
4 H8 c- h8 P! ] <statement sequence1>;
% O- A: S) ?( c/ _ until <condition>;
8 V& W8 m; O* s6 ]( R7 P! K (4) for <condition> to <condition> loop( n4 P* I v, ]( T/ i4 V" B
<statement sequence1>;: X6 q3 E8 {3 V' f% W8 ]
next;
1 N. l9 A+ R' e# b3中断语句
3 w0 h" G1 S2 l- C waituntil <condition> prio <integer expression>;
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以上为常用的函数！8 B3 ?& R# y6 m! i8 Q+ s9 l
还有很多，如有需要我把资料发到你邮箱里 7 M3 X0 B( z9 Y# E) I' p+ s' j
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