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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
" V/ \7 `/ g2 Z* z" P7 }4 { if <condition> then
3 o. S2 m) v% d% F+ L <statement sequence1>;
3 C$ s) S8 [/ l8 e5 w0 J2 o3 T elseif <condition> then
, x' R& d( ^* e I* [% W4 f <statement sequence2>;' k- _5 W3 B8 H( x, k
else G% h# g! |" w6 q! b t# v. S
<statement sequence3>;' D+ W, M$ l. Y; b
end;
# w3 ?2 Z1 Q1 J B% n& {如果分支比较多，用：
$ [# ?# c2 w# g7 u, ^! z inspect <expression>
Y/ N3 O# ^" t8 ]# Q! v9 p- ^ when <constant_list> then
0 M4 E4 C _+ o& ?8 m <statement sequence1>;
/ U( Q4 d3 W% ^3 w- G% _7 v8 E when <constant_list> then+ A, |3 }3 o9 y0 Y3 ]* a% x+ R3 d
<statement sequence2>;7 Z; ~( a& C& j2 L, q% G
...
W. c4 d4 E6 z" x& X: ` else5 S+ y/ j7 z& a( v3 d
<statement sequence3>;
; a" T# q, T* `1 A6 B0 V8 F1 T" yend;
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2循环语句
& S9 H( ~" ]; w% A (1) from <statement sequence1>
. O1 b! s) D; d; X/ W( G until <condition> loop
( Z6 @0 n- n$ E <statement sequence2>;
' q( a/ r# K$ I$ _+ O( h) Y end;
; ~ Z/ {! e( X+ [: L3 H (2) while <condition> loop1 ?6 }+ C* v4 s" V
<statement sequence1>;& P5 }: J6 D/ b; ~
end;
. L5 n6 ^6 s# R (3) repeat
2 i- W/ O( h6 l0 Q <statement sequence1>;
! ~) I& {0 E: Q until <condition>;# Y- Q4 h1 _" a& n* X% j% x# M# P: P
(4) for <condition> to <condition> loop
! x3 y+ p- Z& U, A9 b <statement sequence1>;# C Y1 V% ? t9 v: E6 g3 W
next;
' e% ^2 B0 c2 p: `. B) t0 }/ l+ ^8 [3中断语句8 H: \2 Y9 c* ?. ^. M1 H5 c) g
waituntil <condition> prio <integer expression>;
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* b! S6 c. J* D# R8 a& r9 y
2 J( Y$ O; F0 H# Y7 B+ u) @& q以上为常用的函数！# ]7 H' v4 n& M# B T
还有很多，如有需要我把资料发到你邮箱里
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