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发表于 2012-11-13 08:48:12
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1判断语句. o1 J5 c- _0 r& [- r6 m
if <condition> then
1 x Y5 ^7 H. o( I |; `5 k6 v <statement sequence1>;
# l8 f2 L. j% @ elseif <condition> then) S/ p+ }$ J6 n5 q9 i
<statement sequence2>;
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<statement sequence3>;( H0 J4 `) I* y+ ]" R
end;
% E: T' [: p% @. ~. p6 f如果分支比较多，用：
, U# }) g" a( l5 M1 A inspect <expression>5 l7 c. T; u7 _1 V+ m
when <constant_list> then( v0 F5 Y S: G7 o
<statement sequence1>;
, H' G2 e4 Z# }3 u9 E+ R. Z when <constant_list> then
; z, G x/ H# W- I <statement sequence2>;
/ T2 |) `# p1 S% }+ } F2 P2 F ...
" u8 e/ G$ C0 h else& }; P/ h4 D$ B& W* w
<statement sequence3>;
* `& ~* s/ |: p2 ^# t8 nend;8 c, e- Z- {% t M5 T4 u: t
5 @9 }# J6 j' ]% C5 |5 s' q5 @, n2循环语句8 U7 q' W2 Q2 N5 k$ g/ _$ ^
(1) from <statement sequence1>! E+ r4 R$ k! i9 Y) q) G- `
until <condition> loop5 [0 b S+ Q5 R- s
<statement sequence2>;' f! I/ G# W- ?6 G, g; t0 d& ~9 r( l: Z
end;
; V) S1 K' c4 {5 r, k S (2) while <condition> loop+ _( B" b: f- z# q
<statement sequence1>;0 U) B" A, F! p$ z4 V W/ u! z
end;
$ I9 R4 m% Q8 b1 v! _# M1 V, c4 k (3) repeat ( z, `( V7 C t0 A- k+ `
<statement sequence1>;) E$ ~ J, c% G, Q l2 A) U
until <condition>;1 L( C8 P3 @3 o- c7 F9 t
(4) for <condition> to <condition> loop
( b9 W) C$ Y x }; A <statement sequence1>;
: j6 X4 q5 \( t: k4 A/ { next;
2 @& a, o9 I) ]3中断语句0 v& h+ w: ~! w0 W
waituntil <condition> prio <integer expression>;- |8 _5 X! l( H ]
& q: f/ I- W2 Y% R* U8 n: |$ u
A1 F5 _: E7 l2 q9 J以上为常用的函数！
! `& ^2 J) `& ? C: `' L: d8 U还有很多，如有需要我把资料发到你邮箱里
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