|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
" ^# N9 p7 C! g/ \0 i) [' z if <condition> then* y1 W# J, x* I6 _9 `1 t, F
<statement sequence1>;; P" y. S- D' K% w k' p( I. v) d
elseif <condition> then% t$ l3 z9 P) v' a) i
<statement sequence2>;
/ x# Q9 H- `& N9 x% Q) T# r else 3 ~; F s6 R' P# k
<statement sequence3>;' e3 r/ b$ ~) I2 U5 k
end;/ h" j1 |* E; h; s, d
如果分支比较多，用：
% }& t9 w0 W3 z1 x* a inspect <expression># P1 S8 m C9 N% z
when <constant_list> then( m1 X3 ?' f2 l) T; U" `7 Y; ^
<statement sequence1>;
, J1 B5 I. h$ p( v" { when <constant_list> then
& v: O& O# v5 F- _$ W <statement sequence2>;, G0 D' O$ K' Q5 s- v
...
4 }0 n3 N9 X5 L" z3 m1 c* q else
% B7 P. T7 K' H3 f/ a* ` y9 B <statement sequence3>;' P8 p) L3 [ T- H+ L
end;4 r+ c; D4 Z. [& E. C' A* I
/ f3 U4 p) ~# n5 v. Z
2循环语句5 y0 Z2 R' b8 h# f5 g: E9 s
(1) from <statement sequence1>
9 a. Y, C. B4 K8 _+ _+ D until <condition> loop5 Y8 i( S1 E) X* G' F2 \
<statement sequence2>;& U% Z5 U/ _6 _5 z+ ]
end;
0 H1 M X& N' u) } (2) while <condition> loop
6 W' ~9 b0 d5 f <statement sequence1>;0 P; T" T7 V, X7 i# w1 a4 V2 b
end;
( }% C D# p; K$ q* U* C" o (3) repeat # A( F1 C O* x8 j& l
<statement sequence1>;9 K1 i6 @0 R0 M( ~
until <condition>;
* X" \# J1 b9 O9 P (4) for <condition> to <condition> loop
+ Q. _3 @3 }9 i4 u5 f <statement sequence1>;
$ n' q$ O7 R6 l( _! t5 S next;
& C" W6 u0 J. V! n j0 h6 @3中断语句. r% b7 M# a; G( V Z, d; E
waituntil <condition> prio <integer expression>;: ]* P9 C$ o" D# `3 O8 U
+ G8 z7 k5 r' X. P6 S5 P- Z
- {1 M, ~" o! c1 {8 F# Y5 e以上为常用的函数！0 o9 d/ Q/ x" I- [' s0 A) ?
还有很多，如有需要我把资料发到你邮箱里 9 V- [5 [3 h% Z$ _
: N( L& E9 H' U- n: n- V) F+ R* h3 g/ P: q; w$ H
( j n8 }4 L8 z: M5 U1 _7 F% m
, y- E/ z. i; y$ y+ s
) ~7 z: ~- T' S8 d3 \
6 `- e& Q$ X. f/ `& O
+ J8 e0 N' v7 J# G5 B$ ^' s: K; B0 U: _; Q v& ?1 J
4 f9 O3 J: e9 @ @3 z
: R; J" r( ^1 C+ P0 O5 u |
|
[复制链接]
