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发表于 2012-11-13 08:48:12
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1判断语句6 d, G: z# e; @3 @1 S- m" @5 D: |
if <condition> then
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( V1 K+ F$ v( M# o elseif <condition> then8 W# X( O) Y, O; R
<statement sequence2>;/ w( _& t& W9 F! `/ b8 ]
else # Z u7 w4 k$ y
<statement sequence3>;
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如果分支比较多，用：5 D1 R" [; m! \0 p; @3 I
inspect <expression>
, N- h% ?6 O( j2 V4 N when <constant_list> then
9 e* T5 T0 {* Z6 A <statement sequence1>;
2 f$ p0 k! d. _% Y: i; b6 Q8 q when <constant_list> then9 R8 A0 p2 L: e4 W
<statement sequence2>;
( ?3 J3 g/ q7 q& y8 H$ o- M ...
/ d, \" M/ ]# \, }7 t/ K% w else
# [' ^7 p3 V# ?& R4 T9 y4 T! D& r1 J <statement sequence3>;% b C& u- A0 x( ?# k* i
end;
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2循环语句3 X" g- R% V4 F) @) X7 ^1 h4 {
(1) from <statement sequence1>- t8 j3 o1 a, v" `, l
until <condition> loop
3 j0 F) E( p3 t6 E. }1 P! H <statement sequence2>;
; H. u! c. q/ O+ { C) a9 P end;
- `& c# f4 w, R2 `% e* V; l (2) while <condition> loop* D+ h' _! z! N* }
<statement sequence1>;# [, F+ {2 W* D% ]" {
end;: b: _+ c7 k2 U V( c2 `# P- \$ O, `6 M
(3) repeat 6 I( a: H9 S5 x; s% q
<statement sequence1>;% Z' I' f0 j/ E( F! m" C
until <condition>;6 ?& L6 d8 G( g. f$ Y; |, L
(4) for <condition> to <condition> loop5 `3 b3 k" c4 f- V( s; I( |6 e
<statement sequence1>;3 K- e' f( q l a
next;
) n B6 v! Q3 c' r. |. j# L3中断语句
: h9 [! c: v$ R: g+ G waituntil <condition> prio <integer expression>;
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( U0 @, x6 S* h0 ?$ V以上为常用的函数！- i7 [2 @' ~2 D# ^3 x2 E- S
还有很多，如有需要我把资料发到你邮箱里
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