|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
+ y( G/ J$ i W; W A if <condition> then
& b% R# b) z) {# D3 _ <statement sequence1>;
" i0 u) ], P1 V; x7 p" [. L) `: O elseif <condition> then
6 p N4 j; p7 t" ?; b6 ^+ V <statement sequence2>;2 ` K3 r' j$ l
else 6 q& q6 P5 ^+ X
<statement sequence3>;
- t) _, U. B% M: b$ ] end;
6 h5 m2 j ~! C; [9 _2 ?9 n如果分支比较多，用：8 |$ e( Z* @/ _2 ]
inspect <expression>) l0 }2 Q0 b& }! O* U
when <constant_list> then7 S: f( C; A5 k( K! [! ^
<statement sequence1>;' ^( u4 `; I2 w+ ?9 j
when <constant_list> then& Y1 s7 A q* ], @. L4 R: P7 p
<statement sequence2>;; w# K% e! l1 @0 K) a
...
( Q! B, \" F! W x+ m& } else
! ?7 p: d2 s' P% t+ t5 N3 V1 m! k <statement sequence3>;7 B8 y4 E. y. N- C6 z8 G& `5 p
end;
, p0 G0 q% P3 p$ @2 q% W* d: c* j% Z% `! k/ e8 G1 u, P
2循环语句' B0 X: c4 r* \8 W0 A
(1) from <statement sequence1>1 z' c2 Q' S3 ~. t# J2 }* Z
until <condition> loop
0 {: [+ T/ s6 q8 I. P( A# m2 S <statement sequence2>;& S& | e! k' e0 T$ S5 g6 \) D
end;: U) a" t& N, k) p. C9 K4 z
(2) while <condition> loop
; @: }' w4 C- {' S0 c% e( y <statement sequence1>;9 z6 A q) x0 T- N) S8 Q5 y- w
end;
4 C* X. l7 u9 R8 [1 v9 A: x (3) repeat ) N+ [' V+ E$ a/ F
<statement sequence1>;
! ?, Y9 r9 U& x) G8 x. R until <condition>;9 G% @: I# |: J! a6 d* i& r
(4) for <condition> to <condition> loop
! o7 X6 B( b- Q# s1 K T <statement sequence1>;' t5 u/ r+ ^4 i5 W7 {( g, w/ }
next;( y6 ?* m7 r1 l) n% m
3中断语句8 j& `; p, u6 d
waituntil <condition> prio <integer expression>;+ \0 @$ Z9 \! ~ I" N0 I* S( H
6 E4 |. U' Q, \
( T1 f/ J/ r: b1 ^以上为常用的函数！
7 _2 n8 K- k) y+ \还有很多，如有需要我把资料发到你邮箱里 8 _" ]. Q. Q( V+ b: R
! E6 R2 m0 x! I3 f9 \6 j; d* d
3 Q( `* }1 g' U$ B v1 ?& Y) ^
; f5 B; P3 Z) L% l+ `. Q! f K- O
' }4 M" I9 v8 a+ ]) z3 p; F: b9 }# J4 u. Y+ d
, a( m i/ |9 I- d
( t7 _+ x* |8 y3 J1 P, n4 d
" d; ]" v! f( x/ L. b5 ]. @$ k
5 @/ E/ y6 L5 R, A# U% i ! |5 O" j+ Z& b0 u- x2 S
|
|
[复制链接]
