|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
( [5 t+ e" `! L; H: P if <condition> then/ t- V. t# q6 r
<statement sequence1>;1 M" M' \* {2 o0 Z% r
elseif <condition> then' h/ V8 R5 t( F. _; }# \
<statement sequence2>;
. V( y" C9 H H- `- j else ! J& X9 `# |- C3 p# k1 U7 M
<statement sequence3>;: d( Z( v: Y/ j6 P( ~( z8 s) o
end;+ V }* C$ u! i( M: O. y
如果分支比较多，用：( J Y: x `6 w! Y) i# X. Z& u Q: i8 _
inspect <expression>
; b1 j- V7 X# `: t! P! ] when <constant_list> then
2 N6 X& J/ M# T7 x' b& f- _ <statement sequence1>;
9 o: c0 \0 H4 U+ E# h when <constant_list> then
9 u( ^" Z: k W& ^( b5 }6 w& c- N <statement sequence2>;3 y z1 D; e% J( y
... ^9 N8 |9 G5 Y
else6 E" b& q4 u2 m! I
<statement sequence3>;3 J2 M8 L1 ]" D+ I% o' A
end;& r3 c2 E. r; ]4 ~4 h
" m$ {! m, ^, s& \5 A2 h
2循环语句
+ L6 n. F) l6 \. t5 ? (1) from <statement sequence1>$ ] r* ^$ F5 b- m* b
until <condition> loop- K* R5 S# m7 _, i$ @+ J' i
<statement sequence2>;) J4 |1 ]3 r" t1 M' j% ~9 S
end;
) G2 N! K8 _! G: S+ { (2) while <condition> loop
4 T1 Y! D. w/ @1 D3 D% R/ M+ s <statement sequence1>;2 C6 t" f) m6 y8 h
end;
/ R, G# Q0 P8 ~ (3) repeat
1 c6 ~5 U% ?9 F9 | <statement sequence1>;
/ q: b- N* g+ Q# Z( u1 q until <condition>;
8 n5 s9 S5 w* Z& N) a# x7 ? (4) for <condition> to <condition> loop
) e2 I+ `8 n, _6 a' v <statement sequence1>;- z9 X2 c3 X' p! [
next;% ^ `. {- i+ Z
3中断语句
( n2 d3 E7 Z+ {0 o% j7 ` waituntil <condition> prio <integer expression>;( Q* {* W7 A' z
& `- c$ U- G7 W4 d; [7 |+ H" {- }0 R* }1 D5 [5 ~+ L9 w
以上为常用的函数！% j0 z3 E& `% ]5 _; e+ q
还有很多，如有需要我把资料发到你邮箱里
|1 P: G6 V* E% d E% f3 Q7 Z* I# Z% c: \5 [4 ^0 J
1 s H4 v/ D; x6 u) q, P7 V9 a6 E
4 R& V: k9 t9 m% P7 U3 j: s $ _8 K. r' v( b; m+ t$ t
6 H3 r/ M' k2 r& z
" Y6 E' A$ b( w8 a" p8 R3 D5 [& \' |
. `5 h& S/ p) X5 F% w0 B% `6 V& O& H- n
' a a. h6 V( a& @ |
|
[复制链接]
