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发表于 2012-11-13 08:48:12
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1判断语句
: k1 j* M' {( y' i% n5 [4 h if <condition> then
6 j8 c' S. F' T3 f <statement sequence1>;
9 [8 K! d# G* B/ x# j9 ^7 I$ X# n elseif <condition> then ~9 W, V8 J5 l' ]' w
<statement sequence2>;
: L8 ]& }- M0 l else
5 U8 z( k% H5 A# P0 @ <statement sequence3>;5 @2 H7 t) _9 ~! p9 d
end;
- P, m1 k' Q; R, x如果分支比较多，用：/ [7 N$ w3 o' ?$ x4 U& ~
inspect <expression>; l0 E4 V% D9 R0 Q1 K" d
when <constant_list> then$ _0 D# R( s1 l. K. c
<statement sequence1>;
& h2 K( q1 M2 r. V0 T5 f when <constant_list> then1 O, t$ K- |" P8 `
<statement sequence2>;# [! k7 ?$ X5 C3 w: Q0 m# y3 G6 G
...
9 ~% b; O N* ]5 z! T' B! c else
& q! ^) v" E+ M* m( R! F7 i- H <statement sequence3>;: n+ ^$ H- y1 e4 ]0 j
end;3 @2 B% f/ e! H" g
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2循环语句
% O: i X: p0 ?4 g' v) A (1) from <statement sequence1>. R" Q, d5 |. z' a1 z0 [. `) c
until <condition> loop9 k4 v3 J: S8 n6 J
<statement sequence2>;
4 Q( v9 ^0 r; c! B) T+ \' i i/ D end;0 _( X# F' i" i0 ?) l0 W* B& g; j
(2) while <condition> loop
9 v3 _+ q a; ?& W5 I h) b <statement sequence1>;2 B, S! T: n0 }7 u3 O# v
end;
( T9 ~/ ~' ~! P% u8 i (3) repeat
1 z# }# d4 ~2 {' W5 F <statement sequence1>;
4 d* k5 P1 w* k4 m& D2 I- m f until <condition>;* O8 l7 q; Y6 d: w' L7 R
(4) for <condition> to <condition> loop
0 S9 [8 V+ g5 K5 N) _$ B# A <statement sequence1>;
# C9 j; W7 u7 Q" C' y+ w/ `$ w0 ^ next;
0 t- O" M+ i- \) K+ S3中断语句
8 {, b/ U6 N. ]( ^6 X+ F0 T waituntil <condition> prio <integer expression>;, E i c( [& f- m
4 h) z) Q; D4 e# a
: @* I# S; {4 [* b以上为常用的函数！
8 l1 O; Z, i+ x+ D2 O还有很多，如有需要我把资料发到你邮箱里
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