|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
- ], [+ x' r$ z/ @; B' e, u if <condition> then2 M) l8 J: ?8 j9 e$ t$ c/ {* E2 b
<statement sequence1>;' e, v- c/ P9 A J
elseif <condition> then6 _1 A) m7 i# z
<statement sequence2>;
' L$ M- p5 G# e1 X* l else
% S4 W" G& e) {9 l+ ]7 q <statement sequence3>;7 ?, T: U) M9 j' V; `# ` G
end;, X2 G- h( P# Q1 \
如果分支比较多，用：
* T; m. f6 U6 O( O G: |! C- _+ s inspect <expression>4 l2 k0 q) q0 D% t
when <constant_list> then7 h0 P% x& d8 I) N W
<statement sequence1>;8 U" L8 b+ W |& q! k
when <constant_list> then
' v7 a* m% z7 R- H- } <statement sequence2>;
/ y1 G( w% P; h4 E R! `7 P2 o ...1 S- l# p4 E# c. g, c
else w4 w9 r! i7 o: f" j
<statement sequence3>;: b1 f0 J. b$ ?+ p- E- M/ ?
end;/ @ K3 B% m+ P& ^3 P, Z3 c
6 c1 Q' R! x( U2循环语句3 S9 e; D4 o% |+ ~' f+ v1 E
(1) from <statement sequence1>
d, `8 V, ]7 ?" a until <condition> loop' V2 Y5 l R; h, `$ b
<statement sequence2>;" q1 Q" L8 \0 c0 v8 m& Z
end;) O: w' N0 D5 ` l
(2) while <condition> loop# }& E: O# _5 n* ?' ~+ `
<statement sequence1>;0 S1 R0 x: b0 p+ m
end;
8 w/ y! O2 m- {/ L+ n (3) repeat + m1 _7 G: E/ B5 a _
<statement sequence1>;1 X, b% ^( a9 X& w7 p/ r2 L) q% X
until <condition>;
; j0 r. c: j/ u! X. @% B0 q) i) b (4) for <condition> to <condition> loop" E1 V6 \' U3 Q- \1 L1 b
<statement sequence1>; p# m* V* q; g- z
next;
& R8 Z( H3 X" H) P& T3 D( ?3中断语句
7 @# x1 L5 m8 C waituntil <condition> prio <integer expression>;
/ _9 J7 I9 P9 ^, Y1 ?, Z
; N. \8 B( }4 J3 U. }, @, F$ U- V, _2 W% |
以上为常用的函数！: }3 }8 t. F6 H) t) X- c
还有很多，如有需要我把资料发到你邮箱里
/ v2 Q! M K& k }) `: g! c* X$ m% |& e
! E6 W. x O6 P1 r
7 |# n) s8 V* ^( M) ^8 i& Z# @' |& j
$ a: \8 i0 a5 S5 B) _4 E7 P9 h* A/ k0 q$ s
" A: d' {9 ]) w, t; {% `
/ ?; K/ k+ i' R D. C, w7 A; y1 e
" i1 _3 u$ F |1 j4 r f/ w5 z8 M9 D( u5 c6 X, H0 b
2 `% L/ J. g }1 \: v" e! S! h |
|
[复制链接]
