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发表于 2012-11-13 08:48:12
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1判断语句
: R1 }# Y' y x if <condition> then7 U8 k# M! M/ @6 F& ?
<statement sequence1>;/ k* N4 i! x4 {$ d6 m$ o# }
elseif <condition> then- C$ L5 \- ]$ ~! r7 ~
<statement sequence2>;
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<statement sequence3>;4 {, `, C$ Y# i2 g+ a% y: k# k1 Y
end;
$ C1 r( t4 V5 T0 W/ Y. V) y如果分支比较多，用：
/ i- _8 N1 _' K' q3 i( X inspect <expression>
! j7 s" l+ ~ @4 \* R when <constant_list> then' K$ u) b1 E3 B8 y2 U
<statement sequence1>;
" c* E/ c, h1 j# D when <constant_list> then3 ~$ s" y7 E. \7 q, l
<statement sequence2>;
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else
! N9 T0 U$ o/ v9 } <statement sequence3>;
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* x5 L: n, Q: w% E8 f0 V7 @7 `2循环语句
: H( {2 Y+ k, N' P) a% A" f (1) from <statement sequence1>/ n9 T9 j+ i; ~6 h/ X+ ?# m, K$ {" I1 j
until <condition> loop9 D- A+ W- s) S, \$ T
<statement sequence2>;% Q$ K4 h* n; E- L
end;
& i+ g6 X/ p9 y9 s0 F (2) while <condition> loop# A9 H2 M# |- ~9 S7 i! @, f4 C1 P: [
<statement sequence1>;/ E7 t8 Q5 T( S
end;
- E$ g4 J8 S1 x7 F. X5 U (3) repeat # t2 ?+ _! q2 y6 k* d
<statement sequence1>;
5 b; y$ s* E6 D* L until <condition>;
; \2 ]! R9 z) `# _. K (4) for <condition> to <condition> loop
' A! L* I! M, h$ C' ^ <statement sequence1>;
( ]# Y1 m7 y* a4 V- ^# K- G next;
4 Y& F) q3 E% w' P" r3中断语句% \1 d' {7 E" I3 E; j) p# k
waituntil <condition> prio <integer expression>;
" d2 b' o" {6 M, W; P3 w% I6 h! J2 L$ N9 O/ e% C+ i6 k
$ v6 a, H( b0 G6 X, ?以上为常用的函数！
/ O8 l. U* j% t5 o% }1 _8 @0 y还有很多，如有需要我把资料发到你邮箱里 0 e: _' |5 O% T6 z$ U& q
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