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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
6 F4 {. A3 x9 k% }# _ if <condition> then
, W6 B- J: p& ~$ B# T( X* } <statement sequence1>;8 B! m6 i. P* I" d" }
elseif <condition> then5 s1 E7 V; ^( \. x7 z1 d
<statement sequence2>;8 l& N9 \+ A6 ~6 \$ d
else
- R' F- l1 L& z' M) { <statement sequence3>;' L, V6 C- k( N4 p2 v: E/ W7 y
end;
1 b! c& I* h- B5 s( D5 o$ E3 \如果分支比较多，用：4 W: r+ M ] A, R1 O# G( p/ I
inspect <expression>3 o2 c( M e* P4 v, ^
when <constant_list> then' w/ b" X+ q+ m; i
<statement sequence1>;# Q% J: Q" g# Y5 [1 @ H
when <constant_list> then
: F, h; Y* B" P5 x* c( Q5 v# x <statement sequence2>;7 b9 j3 |7 _6 f
...2 t( H1 V/ X) J' R. _
else
; `! r, L+ E8 ]$ T' z8 F2 P3 g <statement sequence3>;3 K; o# P" L$ Z3 O# Y# ]$ V
end;
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8 a# q% O8 N! O. ~. h3 A+ U5 }2循环语句
5 M' r. j1 ^- Q, L) C (1) from <statement sequence1>
9 {3 a0 s; V' q4 k. a until <condition> loop7 t' o& t9 }3 y# Y) B
<statement sequence2>;
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(2) while <condition> loop
' @6 q. Q, ^& `0 k- n" j7 } <statement sequence1>;
+ a+ c* T$ G2 {! F4 ^" Q( [ c end;& |$ d7 @* X# S' k; V
(3) repeat
; M0 v- q1 }. k4 A; ?7 J* s <statement sequence1>;4 x; |, n! A' o/ P
until <condition>;8 I. c& d4 \7 A/ A8 a0 G! N4 V
(4) for <condition> to <condition> loop
1 j8 e3 M u7 Y2 l! l! o <statement sequence1>;8 W5 w' U6 Z/ i# S. i
next;
( ?+ D) |6 J9 w6 r& U& z3中断语句6 w1 A8 f% ^8 [: h& F
waituntil <condition> prio <integer expression>;8 D X2 o9 P0 Y1 V; E0 j, F
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以上为常用的函数！! o6 R! }6 k7 B( N: T; l6 T; C
还有很多，如有需要我把资料发到你邮箱里
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