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发表于 2012-11-13 08:48:12
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1判断语句9 ]! @) n& }" X* A' a3 A% d I# S
if <condition> then
T$ h( X& `) ~* O+ q) v <statement sequence1>;
& L- U' G, C3 t5 I$ D: } elseif <condition> then3 L( {" |4 _% S% m. p/ {! C
<statement sequence2>;4 R: x: b7 h) @. `/ y( M, P9 ?
else , O2 F5 H# p+ i+ }6 R4 w
<statement sequence3>;3 C1 e5 |/ g% U: ]4 R8 P! L
end;" \9 t$ y0 I8 q9 b6 _" a" s( x. r
如果分支比较多，用：
3 L# V; J+ F4 _ inspect <expression>
' c0 |, n' C7 ]! _ when <constant_list> then+ j* t+ M. T- l: {& n' J
<statement sequence1>;
6 \2 f# J0 a+ c+ u! {& H7 Q when <constant_list> then4 [4 {2 F. M( K* `
<statement sequence2>;& E+ q& N( s }- V
...: h0 }, Y% H3 s# f, M3 Q( p' Y
else' I' j5 J& p7 H8 f
<statement sequence3>;
9 w# ^& `8 b: H6 P% x+ ]2 I6 k7 eend;: i/ y* }4 e$ v4 S+ y% `! c3 ]
1 e, {' q; C8 _, n; Q6 L2循环语句
8 p% l9 U, b7 o7 c7 L9 B2 Z/ A6 W (1) from <statement sequence1>) T; c" G3 A' Q6 T; }
until <condition> loop% A& }1 ?* m2 ~
<statement sequence2>;
0 `3 B2 g( j% _7 x end;, S2 @9 c4 O# a
(2) while <condition> loop5 o) R; E, f- Q& l# w- c( |
<statement sequence1>;2 H# I/ H6 ~& C
end;
# D* D1 t0 A' d2 ` (3) repeat
- n0 B$ @9 r, S <statement sequence1>;
5 M9 z% G$ ~1 D. j2 c until <condition>;
; |- G4 B( A( X8 I! h8 u (4) for <condition> to <condition> loop, p9 r+ C$ A; w+ I
<statement sequence1>;! o/ j; i$ q1 X9 @
next;
( n; p, l# J6 r6 y# X7 p3中断语句
/ u5 \# ]+ S1 v% w2 l8 v waituntil <condition> prio <integer expression>;
: c @" b7 j: k: J5 d8 K. p M& {; z/ f/ |; E! k5 m- \9 x" c" Y& o& `0 B
) c. \4 j; Z7 ?$ n以上为常用的函数！
- I: B: ~4 I7 v0 n" a+ Y还有很多，如有需要我把资料发到你邮箱里
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