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发表于 2012-11-13 08:48:12
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1判断语句; t. C1 u/ H4 D9 e* N* H
if <condition> then
4 Y+ Y7 B$ j4 G <statement sequence1>;0 b* n$ |% G- V/ g7 }
elseif <condition> then6 u6 W. c! j5 C m
<statement sequence2>;
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<statement sequence3>;
' c1 J& d4 a! u. y) C end;( j+ B; Y! P1 ~" F/ p9 |9 p$ L/ g
如果分支比较多，用：) w& n* O! \. i2 a9 _" n
inspect <expression>
" _- K. I( }. K* r& u1 S when <constant_list> then4 p' `& C* o1 m( S
<statement sequence1>;+ S& B" U" c- }. d. k% Z
when <constant_list> then5 f+ E7 a# p/ _/ L1 z ~! C
<statement sequence2>;
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else
3 M y0 I& V+ R9 b/ x; g) I <statement sequence3>;7 A) _2 O" t4 {$ u u4 F
end;4 H/ f j4 v- [9 W5 |2 I
. j) y3 z, Q. v2循环语句, C0 n4 A6 J, ]+ U
(1) from <statement sequence1>
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6 K" W' {; o; g$ O& x3 K9 P <statement sequence2>;9 k! l9 W( `0 a% g. ^+ j5 _
end;
" s" s3 \! N8 e9 @ (2) while <condition> loop2 b- ]' M) ]0 u5 C' {8 ?: d% W
<statement sequence1>;
; |- J5 f9 R$ c7 \* b end;
& M. S1 Q$ B5 X; v( @ (3) repeat
% M) H" }9 I4 j. B <statement sequence1>;
9 M- n4 z Q/ s9 s0 r until <condition>;
2 {9 A8 b3 m. y' q (4) for <condition> to <condition> loop: S, c! e1 a0 s Z
<statement sequence1>;
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3中断语句. I$ h2 }0 k' G
waituntil <condition> prio <integer expression>;' L$ y# ]. G- W: j8 J+ R
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以上为常用的函数！+ @0 @/ t; V/ D# ]
还有很多，如有需要我把资料发到你邮箱里
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