|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
' `% y* x$ @4 A- r* C+ Q5 D+ _ if <condition> then1 d; T7 K4 F- y- N/ R
<statement sequence1>;8 x5 I6 z# ]$ A+ D. `
elseif <condition> then7 X% g4 A' T( w, l5 X1 U3 a+ F
<statement sequence2>;
/ y+ J' x0 w4 k) m else
/ E0 z1 H& o3 h- [! w: _6 a) q# A) K <statement sequence3>;2 l; E' h+ A5 m8 N
end;
4 ~8 f% S2 K. P, d. N1 }如果分支比较多，用：, ?; h3 d5 }& n: D
inspect <expression>. j" K0 R) q8 D% q; k3 C
when <constant_list> then
2 g! `: `4 j7 M& Y% a9 K# n8 \; C9 j <statement sequence1>;, {: C+ S: T& |' p' D
when <constant_list> then7 x+ P% e8 D( X2 x
<statement sequence2>;
6 u9 p* M! b7 @- Q5 u2 `8 n$ p$ r ...5 M8 u4 p) N6 J4 e/ X8 M: ~
else' o$ t: X* Y" M* K( @$ B* ?
<statement sequence3>;# c3 y1 w+ u" l( K q
end;
: p9 n9 D, p. N( ?
m5 w# w' ^7 x& x$ |* X2循环语句
' c$ B1 H8 X3 \2 w (1) from <statement sequence1>. y2 B% |( ?& N+ ?) i
until <condition> loop( x' Q1 o; {0 e4 U( R& K# x# \; m
<statement sequence2>;
7 v$ |0 u8 K( n. \) R; K) ]% f end;
1 s7 p' B; j5 C, O# a* {6 s# v (2) while <condition> loop( K% \2 f; y, F9 A( y' H. \
<statement sequence1>;
/ w! }( z1 K6 I: h% q% j end;
7 y) n# ]! Y) S% F4 f7 N (3) repeat + d2 F9 N1 F+ ?; |" X4 e
<statement sequence1>;
+ N F4 O6 ^/ u* L- X, v. ?% d until <condition>;% @3 m) j4 p- I/ P9 E, E
(4) for <condition> to <condition> loop
( O( G0 e: P0 n. I& Q. ^ <statement sequence1>;- c" k+ L$ M# @
next;
! r+ B% r( M* }2 u3中断语句
& A, Q# l* k) k( Q: [ waituntil <condition> prio <integer expression>;
6 P3 f9 d( O, N& B, b( [1 _9 f+ M' @ s5 o! t% i% X
! V4 b2 c! }9 H7 K' \7 B- s6 V1 j以上为常用的函数！6 Q1 R3 A' o" l) ` q+ o
还有很多，如有需要我把资料发到你邮箱里
7 @' x- O; A4 l% y6 x: o8 t' D; E3 h! K
. i& ?/ o% `8 ` A& ?$ Z
# ?6 ~* H& V# p, F1 ]
8 B! o+ Z/ S1 J( p" K0 o% s
+ N: |1 S0 r" G+ E+ |+ @
9 k0 O' i) @3 Q( j! V9 z
7 ~; z g8 ]5 e7 g' u. b9 ~( @# t; U
: ^5 P; `: g* Z
1 I( k; y+ [; J, @5 z- ? |
|
[复制链接]
