|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
2 m2 U: f% a4 g) V if <condition> then. N- R! S, W, m; U% |8 _9 A3 X
<statement sequence1>;- ^) f2 q& B1 J) p
elseif <condition> then+ E& P n8 H& u" ]# ~) Z
<statement sequence2>;
. Q& o1 R1 B" N+ S else
2 {$ O) M9 c$ u7 i0 H" x: k" h6 @ <statement sequence3>;' R* j2 u8 v5 |3 ? I9 I
end;* {* D3 Q0 ?$ D% k
如果分支比较多，用：; C" x2 Q1 O; V& K7 l% m m6 O
inspect <expression>
) N C1 F9 q3 g$ e0 i: a8 A when <constant_list> then8 }8 \% L3 c% q% e7 I9 j, @
<statement sequence1>;6 \# G- m1 t. T0 U% H
when <constant_list> then
3 q/ b R) [# A; q( T6 {4 l <statement sequence2>;- n6 ?: s% y* A. K/ D3 Z, ?6 G
...
3 J' {# [. Z! O4 F [) r+ G) q* S else
- E0 u6 Y- M) B <statement sequence3>;
" r' b5 a! Y* b6 ?% @end;
# m) F- S% b# W
4 `1 w& Z! h9 r0 k8 n0 m8 }2循环语句
. ]5 ?1 g2 G0 i9 g (1) from <statement sequence1>3 I/ _8 c) {* j/ J- w( W1 s
until <condition> loop
C; n$ n9 O7 g* y% | <statement sequence2>;; _* Z4 T% `+ P6 N
end;
6 {0 P& M6 M7 O! r- f/ b4 @: t" D (2) while <condition> loop
& J/ d6 n4 p5 V% z# g <statement sequence1>;
. R6 A# S. i G8 M: h end;5 A9 i& U0 J7 J$ f
(3) repeat
! i) K3 v- n' S3 T <statement sequence1>;7 \* V/ M; t' |1 Q, A, {) C. U
until <condition>;# L O) u1 g& d8 P' o' d4 w+ b
(4) for <condition> to <condition> loop2 h$ o, e% J- O% V$ p
<statement sequence1>;
7 }- G% N8 a: O, O# S0 L9 S9 r0 i next;2 m. _4 M; C9 ?3 \- J
3中断语句
. ^( e. T+ p) L+ g5 S9 A waituntil <condition> prio <integer expression>;
8 P P1 e9 G) S" R
/ S( v! B' H1 y7 w3 w, i' [$ g; j+ Z4 x! M+ O
以上为常用的函数！, P1 n2 H g% S# |
还有很多，如有需要我把资料发到你邮箱里
7 ^ b- q8 [9 H# P. R* @! q; \; [ z$ P4 Z, y
6 P" ]: Y' o9 ? U; I# u6 h
6 I- O: o: }0 [. g! W9 `0 [) e
7 d8 @0 n/ E5 Z T8 S& o
& V5 h2 c+ i9 B5 A3 q4 \! \% X8 X$ r, ~1 C8 n. L; l9 Q- i
7 L+ g; J+ R4 ]+ ~( l9 W$ E$ O9 ? h( M0 \; ~9 ?+ r/ p6 `, k: |
+ V | V3 [4 ?
5 N, N0 A% f5 ^% w+ d' ?6 F% M5 ~ |
|
[复制链接]
