|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
% A7 S( i3 [9 F, u8 E- A9 Y if <condition> then
8 F) I4 x/ s3 F- I: z <statement sequence1>;- _. J$ C# o5 w# N5 z$ x
elseif <condition> then
2 U& J2 Y$ b. ? v( q$ {, | <statement sequence2>;& X% \# m; F& @7 ^$ G3 v
else 2 ~& o& b: \! U9 j" E# K" C
<statement sequence3>;& L6 U1 t' e& ^% V2 n3 [6 f
end;' C1 h7 d! h# _( K3 L* O+ D
如果分支比较多，用：
) q) m1 m$ Q- o9 N: |7 p inspect <expression>3 J) P6 y0 n6 |$ P8 s
when <constant_list> then
8 n' y2 M& c1 |! w3 ^; }7 p' P <statement sequence1>;
! R0 A/ h. h+ _- ~9 a when <constant_list> then
* F+ H/ _0 x5 e% z1 T/ J: z <statement sequence2>;
7 n& s+ C; S$ e9 G3 ?, S* g ...
$ @* Y+ m6 I# T9 t else& P3 N, v+ K! R; X; s1 V) \! m8 L2 G
<statement sequence3>;
! M' `: E0 B5 B; U$ G pend;
/ Z4 v. @0 w4 _* S& A+ b# O! U
" R1 G4 p, S8 r/ `. C9 G# X2循环语句
4 @2 @9 K8 E, R (1) from <statement sequence1>
# s! X: f# Q, K O9 N until <condition> loop' @! S+ X- t* K( h
<statement sequence2>;
# Y7 \" m, P# Y end;
' u) F1 T2 L6 p0 s4 y# s. k- f Z (2) while <condition> loop6 N+ m/ A" `2 m1 k4 K9 r: c
<statement sequence1>;- J, ^- X" P8 z7 `) r2 `
end;
# |7 V0 e0 T6 b. h5 I K (3) repeat 5 `" ?# Y2 `0 P$ P
<statement sequence1>;3 r0 n( W' \+ Q" H, \8 j' y5 u
until <condition>;
$ \- ^6 E2 q% h' H6 o- F (4) for <condition> to <condition> loop
% t5 O3 \9 h$ v A# a <statement sequence1>;) i, S, U0 ]3 ^% D1 Q
next;
% h1 V9 S3 C+ ~7 b3中断语句
% X: \( i" r5 A+ }$ y. X* E waituntil <condition> prio <integer expression>;
7 |6 B& _3 P' ^/ q, \# j9 V ?$ R
$ w7 |9 s+ I- C6 k; A( M5 O$ P5 u) L9 I9 e; n0 Q2 ^
以上为常用的函数！- M- b* r' I6 ]
还有很多，如有需要我把资料发到你邮箱里 6 ^. d0 q( K% o) G1 |0 s% {- m! T
0 [/ ?( I6 h. L5 p, L' R0 X# A/ R5 ?& ?7 \% l8 H& r5 \- ~9 |( t0 G
8 \+ J* G, O% z1 o4 {* R
1 P5 J; R% {+ c4 K5 ^
/ V# i, `' J3 k! c! S2 g3 u/ s. O+ z6 D; L' t4 D4 _$ j
& C7 I+ b7 `- m- Q1 G
4 j; N/ x$ A% y
( \) ]/ C _. G& N ( L# }3 ~% e0 l
|
|
[复制链接]
