|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
6 f' S% w: t$ H; z if <condition> then% v2 m. u+ L: s1 M
<statement sequence1>;+ Q$ Q3 ^8 S5 h5 b6 {
elseif <condition> then( c* U# l# t* \7 e% \, N# ~0 r p
<statement sequence2>;3 k4 l0 }8 O' P7 G4 W0 l
else
( B9 y4 l3 A. D* k% A <statement sequence3>;0 t+ C) [; S& r/ x2 t7 b
end;
) P8 I* o' c! Z. m9 r i8 \如果分支比较多，用：. q& S4 w1 ?) i3 j
inspect <expression>& q. b8 F" U& h) E
when <constant_list> then1 @' g7 q- H- F
<statement sequence1>;0 N: g' ] R/ S( a3 u4 f
when <constant_list> then2 [1 }! l) Y/ r$ R' w9 \. n3 a
<statement sequence2>; D( I# m' p" C7 G* Q, g& D7 S
...
4 t! T- j/ p0 o+ c( a. S" S else
" K# W% e& n6 v0 }, x <statement sequence3>;. H# H+ o; w1 U& |
end;
+ t& S( m4 z6 n5 P+ _/ _
' d4 T5 g9 n: `' Y5 c2循环语句. i. @8 u" K$ Z( N Z) s
(1) from <statement sequence1>
2 H' X Q8 a% {7 \ until <condition> loop/ O% s8 Y% v9 e' L: Z7 p. d% t
<statement sequence2>;7 d" _- ?6 Z/ Y6 P, |
end;
; h! p$ Q$ ?9 m% z6 z/ M; N" | (2) while <condition> loop
8 `% s8 i# m9 T# `% t <statement sequence1>;
$ Z4 J+ Y% h6 V8 C/ q end;- c' a' P$ `; ]! N
(3) repeat ' S& }! N9 G/ K7 v
<statement sequence1>;
4 S3 x% R L; L9 x/ q: @ until <condition>;1 @" T/ V3 D6 g6 t0 s/ B
(4) for <condition> to <condition> loop3 y. j: I$ q Q
<statement sequence1>;* L' y* ]0 ^, A) Z4 T+ u& G; ?5 t
next;) A: e/ Y% m8 d% J
3中断语句. X$ v n$ n8 U" X; F8 d& J7 F5 W
waituntil <condition> prio <integer expression>;
+ a2 i" \; x# c. g. o) F8 ^$ O4 k7 g
6 X; d$ p4 s# T. }" @2 n7 u: D% M" |
以上为常用的函数！- f# W2 k; i) G7 S. J
还有很多，如有需要我把资料发到你邮箱里
v, x% S' G. q2 M5 C
; z3 r" Q1 f' m5 b7 ?% s) w, L; v2 E% `2 B5 J2 r0 X, Y3 q) R" S
5 O R" s/ X! g0 R) L6 R
; M, R2 u1 @7 b, ?7 k
]( S- c, S3 }, E* D7 ], G' S3 k9 }# T" d6 Q
3 @3 W% V& }; ~; b c
1 W1 C4 T- X4 a, y8 h1 h9 f$ R; r# h: w5 Q+ u0 ]- u8 ?6 K1 E: E
# `; `6 z8 m. F4 \- k
|
|
[复制链接]
