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发表于 2012-11-13 08:48:12
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1判断语句- y' B* O4 M: k& ]
if <condition> then
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<statement sequence2>;, H& A+ x6 o; I' L; c b& U
else
( J' ]0 X5 |$ o( ] <statement sequence3>;/ F# `* x& ~; \# p* t/ j J
end;6 f7 H; ^( s' P9 @* |
如果分支比较多,用:: z6 @1 s# R5 {$ Y4 c+ t7 S# ]1 ?
inspect <expression>
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when <constant_list> then
/ L% Q* h E# K/ F <statement sequence2>;# X# d& ] U) }' {0 X4 Z$ ?
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else
0 Q* a6 z/ q X8 s+ \ <statement sequence3>;
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2循环语句/ [9 Y( M" h% r' N8 G% ~% v7 _9 I# g& `
(1) from <statement sequence1>
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! g: f& l7 j. A0 T <statement sequence2>;
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(2) while <condition> loop3 n* P* @" ~! W0 T. h! o& }
<statement sequence1>;0 j0 Z/ _5 Q+ v! c( Q6 \! Y
end;
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<statement sequence1>;/ _* B. U) ^* B0 `: b% D
until <condition>;
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<statement sequence1>; a! C& w6 R" T1 h( A
next;
# p" |+ j& h0 @5 Q/ ]4 u0 t3 l m. w3中断语句
7 [% f& R6 e3 R& x3 y5 d waituntil <condition> prio <integer expression>;( B4 P8 C. G$ h! w/ N- N
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; G: q8 ^" |- u; _5 h# M以上为常用的函数!! R- ]) G) ? k6 k- w
还有很多,如有需要我把资料发到你邮箱里
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