|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
6 h9 L( K0 ?; ^$ S* i8 L if <condition> then
6 ]4 k# \+ u: n$ a9 y9 U9 \. H% }# d <statement sequence1>;! H1 B$ T+ z& r
elseif <condition> then3 s3 Q: p! k2 x/ p
<statement sequence2>;" {" V, T6 q/ O* j% l& w
else
- s0 T N) Q+ S8 I: U$ G# \8 |* I <statement sequence3>;. `+ G5 G* G$ }, C( k& f# {8 B
end;
0 `" y* K# O, T% |( Z2 {如果分支比较多，用：
7 C. Z3 }. V# O# A- e+ O inspect <expression>
2 D" p; T' b7 g; b when <constant_list> then+ o Q5 y0 e& u" a2 l X% a! K: F8 ^
<statement sequence1>;
# C& ^! ^. Q/ V' ?8 d when <constant_list> then
7 Q0 s' z: L6 S9 b <statement sequence2>;
L; ]: q2 u; i5 Z ...8 m/ G7 V: v. t5 [0 q
else
+ x% i6 m9 H l. C$ {+ F7 y <statement sequence3>;
# e/ L7 {4 i: ]% y2 @& n' L+ nend;
0 L1 _+ h( x( E: J* z+ o" g, V( }- v3 r2 j* z2 `8 L) ~
2循环语句
6 B8 J' E' b9 R P$ N* ?( X3 ~ (1) from <statement sequence1>
$ L2 h$ f4 W3 I, Z) w( n. f# b, c3 s until <condition> loop
0 ?/ r$ j; x0 b9 m0 R' M2 y4 p <statement sequence2>;+ w! h- o, D! n3 C1 Y% U
end;
# o( P0 S# B8 M7 ^ (2) while <condition> loop
! ~/ b2 F" N3 t0 p2 ` <statement sequence1>;3 I3 f# B( V% N) Q" q" O
end;
" ~7 P" ^, v$ o. L. m# ~ (3) repeat ' b8 @! m5 ^7 f* @9 @
<statement sequence1>;3 ^4 _' N. \9 G/ T; Z
until <condition>;
7 k4 O$ x8 _: w0 J (4) for <condition> to <condition> loop1 ~0 {# h+ b5 B; N1 n+ r
<statement sequence1>;$ ]- {6 h1 G7 R3 q" \7 X
next;1 ]/ Z/ B! N- \: N/ S7 S6 U
3中断语句
2 Y$ L8 Q3 y9 Q5 E j" _- P! Z waituntil <condition> prio <integer expression>;
; x. u) J0 \4 g2 ]$ f( d* }, m
/ H# I, ^& V- D2 X0 ^8 V- f1 _/ V: k
以上为常用的函数！
5 [& r: e( j& o) i. Q还有很多，如有需要我把资料发到你邮箱里
) M. O& k( J% p% U9 S
* M1 [' O0 g1 E7 u+ a, U7 X% b0 O$ z" X6 A' g4 c+ S% X+ f
# _6 h' V; u4 T# f8 R7 f5 }
; r! q0 D5 m5 y! \
* D0 u( t6 g! S4 f) Q7 i7 e
- b) R t3 Y- {8 q, c# Q! ^* G' k) i7 M0 R B
2 l; N% n8 m) ^/ X4 C/ H8 Z8 p- C/ H' @: |8 X# n L
4 j3 M- m) L0 H B% m2 E
|
|
[复制链接]
