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发表于 2012-11-13 08:48:12
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1判断语句! h( }8 l- s8 J
if <condition> then
$ x% t9 f5 r: I- ^" N8 I/ f3 B/ m <statement sequence1>;
; G1 g* {1 s# D/ s% } elseif <condition> then
5 V7 ]5 C" z% x z <statement sequence2>;) R' g/ `% L3 V2 f9 W
else
5 [( Y( x: [3 }- M <statement sequence3>;( x2 K' J& C( v4 N! U
end;
6 ]) E! Z# [7 L7 n) `如果分支比较多，用：5 j; V7 p6 k. }$ x
inspect <expression>
) U# v: v' A7 g! J+ @% R when <constant_list> then
: G9 @/ r J* }" x ` <statement sequence1>;* B5 P; w" d1 q$ \# p1 E. w% G
when <constant_list> then3 V% T S( X4 N) ~
<statement sequence2>;5 l- `" b/ g, P! M* B* _3 }) A( t1 R
...2 s6 ^$ f3 p+ m( y6 `5 u: K0 y- _, v
else
5 N. \' z& |) H1 y; ^ P" h. o& Y- j: S <statement sequence3>;
/ @2 S6 Z& d% `. k! _6 ^: O- w/ wend;$ {. F' @' U2 \7 q' X2 @
: {4 k/ g4 B3 }6 m' G. J, e5 f. d2循环语句
! V. h# D2 E B+ ^2 L! p0 }' A (1) from <statement sequence1>
9 p+ h, c* }' L) ?. ] until <condition> loop
; T( p. k) g3 O8 w* r <statement sequence2>;9 {! H& _; m& W, z/ u
end;! l6 C( ?5 B$ Z* W A% Z
(2) while <condition> loop# W1 V$ c3 _/ P9 F/ E! Q% S
<statement sequence1>;
8 w4 u0 u& n4 B! H$ j end;* T; x7 D& E+ L
(3) repeat
P# ^' G1 a% J2 R- w# i <statement sequence1>;4 G7 N. C$ a9 u" { Q9 ?( P% }3 s
until <condition>;. \: L3 W. U7 P8 ~5 r: P6 l
(4) for <condition> to <condition> loop: d2 K2 v; c, j& \- j
<statement sequence1>;: l4 {: E: r2 X2 b$ J' n- U
next;
6 K- E: a& V5 n) F) F3中断语句
1 E4 L0 X' g0 y3 x' ^0 T/ r* } waituntil <condition> prio <integer expression>;! I1 ?+ B# W! c5 C1 t2 w* Y _9 ~( v
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以上为常用的函数！3 G" r' C5 Z3 ?* {
还有很多，如有需要我把资料发到你邮箱里 * e: Y/ ^6 c1 Y0 ? x$ s! r! {
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