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发表于 2012-11-13 08:48:12
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1判断语句
( C4 _/ y B0 p/ n6 k% w* c if <condition> then
+ `% I5 g! }6 \# v' a) V* W/ J <statement sequence1>;
! f o0 b2 U% ~" l% \; U- z elseif <condition> then- l1 I+ |7 T5 Z1 N4 ^2 `7 r
<statement sequence2>;& o, z) b, j3 g8 j2 Y
else
, s1 |$ f. e4 n- a <statement sequence3>;
& j- A, D* l( y0 c: c end;7 |% [- G% { O3 t' a! D" l! R5 @
如果分支比较多，用：
" f- a# X& h7 }: l- z inspect <expression>
, B& @2 q( H# i( { when <constant_list> then
" I& g7 d6 U" r( ^$ z <statement sequence1>;
2 X/ }* Q' r* J6 n: t: s' Q0 [6 P when <constant_list> then i$ P1 p0 ?5 Q3 M. g$ ]4 A, a$ ~
<statement sequence2>;
( c: D6 T; ]: p2 d9 X ...
* Q$ I5 q; l2 V+ S3 Z: [8 R! Q else& ?6 p; y& v& p" r( Z
<statement sequence3>;3 p: i C& d( @/ R: s$ o# x9 n8 V/ N
end;( g5 l7 }* T7 \3 M
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2循环语句9 Z! R& B( }( F% o- c) W; y) M
(1) from <statement sequence1>
2 i# i- e1 J% s4 y. F7 ^' L% |& _ until <condition> loop
# x8 c" T* ?/ H <statement sequence2>;
7 ~2 I, E; z7 P3 ?. \ end;9 {/ a4 p+ s1 G9 @9 K
(2) while <condition> loop
4 S2 V& j7 g$ M, M <statement sequence1>;
) [- ]. F& Q* W' [+ X end;
+ ^$ I; x- L) C% r3 S/ Z5 q (3) repeat I; z" q7 M+ e4 `9 a7 h
<statement sequence1>;" ?; V2 }# Z0 q1 i, u
until <condition>;
1 U3 X' b& l3 q( U2 H; m (4) for <condition> to <condition> loop% {0 [, o2 b# R4 P0 }/ E: K
<statement sequence1>;2 t7 F( O( ]1 V: c+ [
next;
: x( B8 Q: r2 q( y2 g3中断语句
1 q- }3 @6 w. C waituntil <condition> prio <integer expression>;
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4 } `9 S' c$ E2 h0 [: k5 G) ?! R6 r9 f8 ~; ~
以上为常用的函数！7 _. c5 u6 X( O: b4 y2 S
还有很多，如有需要我把资料发到你邮箱里
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