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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
2 R0 i5 c: i" ~. I8 {, t if <condition> then( E8 O( J8 T- C5 }6 C% A! i
<statement sequence1>;- f4 J' {6 e" N8 [8 j2 Q, d" O
elseif <condition> then, j- W- X( p- Y5 e
<statement sequence2>;1 s5 _3 [9 p4 _! m# @8 D9 W% W8 ^$ Y' H
else 0 c. ~. D) Y# Q. M
<statement sequence3>;
( y. _. D) j. @( ` end;
' u. A4 P; S% S. u/ ?& C9 d( s如果分支比较多，用：% W$ h/ [7 K3 x7 ]
inspect <expression>& o) p' @: m* y; V+ F8 F
when <constant_list> then; h$ ^' K$ b; i. r* T' D/ P
<statement sequence1>;( w( h: l* Q, L! z# r! O6 D
when <constant_list> then$ L& U Y6 F" [" x; c. u' p
<statement sequence2>;
6 a; f5 p0 `: \1 F- j0 |" k5 N. a" { ...
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<statement sequence3>;) u( l" K% L& ?( M4 Y% {4 f# \
end;
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! J! M. U$ A- A+ C v: w2循环语句
' k- _7 h1 V+ j" i. t @/ P (1) from <statement sequence1>) s) T; i( P3 Z* h
until <condition> loop; b2 ~. X4 x' p+ }
<statement sequence2>;+ v' T/ ^# W2 S- ?5 [
end;
; G. j( U4 f% q! ^, w (2) while <condition> loop
7 u U; N. c. i( k, b9 N <statement sequence1>;
1 f# D; c* Q" y/ h X* T end;% I+ M# m* K) A: v! L* u' a0 j( Y
(3) repeat
. L/ q( o. E# j; |: Y <statement sequence1>;- V c; t. s# \; z, g4 L
until <condition>;7 i+ a6 S9 H% l( E" K+ T
(4) for <condition> to <condition> loop
; L: g6 o6 |# c g- C0 T; ]( f <statement sequence1>;
6 S- _; F! p$ U9 N8 j" W& C' C2 e next;$ I6 D) F( Y( t) n
3中断语句$ Q6 _' J" ]" |* K5 l# b6 R
waituntil <condition> prio <integer expression>;+ G! A3 n+ j* q! k9 J6 y K
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以上为常用的函数！& k+ n# K) d w+ l
还有很多，如有需要我把资料发到你邮箱里
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