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发表于 2012-11-13 08:48:12
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1判断语句, ~& t; w' V0 y) C# ?' p# p
if <condition> then
" h1 T- a) t6 C# A <statement sequence1>;
I5 d7 N' t* x) v& W4 ?9 [' b elseif <condition> then( D3 D# w3 @( a8 R# v; ~- a9 ^( B; X
<statement sequence2>;, c* s' Z0 f0 R8 `/ D7 U9 M
else $ w W" X! T/ B
<statement sequence3>;
x9 K# i/ k/ B# _0 \/ ^ end;
2 t- n) `& ^9 s* a3 }如果分支比较多，用：) C r* p. |2 b" w/ _/ k h
inspect <expression>
1 `2 p- z O0 I* ?: N6 Y when <constant_list> then! i/ T) U" \+ z( r& j' e
<statement sequence1>;+ m4 a1 q( M* C" ?# P" C: H- Y
when <constant_list> then- O+ S0 V& I( F" q) b; d
<statement sequence2>; n9 a0 t/ B. d& }
...
; ^7 S: I/ x" P: {7 K else
% Y+ x, C+ u7 b& \" f/ M5 A <statement sequence3>;
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, x; A; x" z( B) t6 N, N2循环语句
$ r+ F" m# s: |7 Z (1) from <statement sequence1>
: j. _/ I: U/ b: R( b3 c) ? until <condition> loop$ A& k, a' { B% K
<statement sequence2>;
. a/ a% Z: ^( L4 [4 t, A end;
c* r# p- @. f6 O P (2) while <condition> loop2 ~0 E8 b) c' }$ a3 h9 R0 q- g& P% B( k
<statement sequence1>;
" ^5 G F& h2 u6 R& D& R/ M end;* Z" }' s6 _: w1 \
(3) repeat 7 {9 t2 I! l; ~( j D% k5 k+ Z
<statement sequence1>;
5 d- H4 {6 E+ X9 t until <condition>;3 w" T( [/ B R" W8 b9 w O
(4) for <condition> to <condition> loop$ u# _! |) w0 w( f, U+ P) T$ _
<statement sequence1>;5 \" n5 R3 T! A/ Q
next;8 u/ v. l: |) O/ {
3中断语句
& z4 ~( e* g: q# k3 Z waituntil <condition> prio <integer expression>;( T& _/ G/ a2 S% F, c6 q
; U+ G' \0 N, O% W; C/ _3 j
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以上为常用的函数！" X# F, `3 Q! c, R4 k' D- W
还有很多，如有需要我把资料发到你邮箱里
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