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发表于 2012-11-13 08:48:12
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1判断语句5 ? I% e- V9 c+ K, V$ I" v
if <condition> then5 L# C+ k; j( m% r; O( m9 a
<statement sequence1>; r+ Q/ r3 ?! v2 K7 | |
elseif <condition> then: l5 ?. ]+ d w9 r0 @: ]0 w* B
<statement sequence2>;
: {9 `4 J& H0 z5 [- W else . }+ M" g o! U8 E0 F
<statement sequence3>;- v% w6 m6 D" R7 z# H- ?
end;
3 a" R% Q& Q& B% t如果分支比较多，用：; G9 \6 a" s8 G! h4 r- [9 U
inspect <expression>% Y8 C' k: Q2 D: \* o4 E2 A
when <constant_list> then
( c' Q6 P! h3 ? <statement sequence1>;! i- e4 p' w/ B5 |. [. a" \" S
when <constant_list> then7 y V/ s" a* v9 T+ |. @: v3 [
<statement sequence2>;5 J; a9 E, T* U$ b$ C2 t$ V4 l, K9 G
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else
; d. ]2 W7 f4 y+ R! t <statement sequence3>;0 ]6 C& ?" k, A
end;
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2循环语句" ^$ @' N+ q8 n
(1) from <statement sequence1>
: \6 ]/ N: w/ I8 R8 u until <condition> loop
+ q( e& M* A; i- r8 E6 \/ }, x3 @- { <statement sequence2>;9 k2 w1 D0 B+ c; ]
end;
4 u+ C7 `0 s' @ (2) while <condition> loop& _' A- j8 H" h$ G1 R1 n0 H
<statement sequence1>;% `. D1 W2 C% Q$ O+ X
end;$ R. l5 Q2 b5 {, t5 I' L
(3) repeat + l G" ~) E; z% R$ B6 R+ W
<statement sequence1>;( W5 \( u9 q1 c+ i& ^% q g
until <condition>;2 ?+ W8 x# d$ t. W Y3 i- f
(4) for <condition> to <condition> loop/ Q9 P, m3 u1 B+ |+ O2 U% E
<statement sequence1>;
$ j8 D) |# I# p% F6 L% T( n next;
$ g9 Q1 S$ p. E' b$ J7 _+ k9 A3中断语句" \; x* p% _& C0 p: _% V5 }! A& ]! J
waituntil <condition> prio <integer expression>;! n) v+ U; N) }5 f" h0 _* e8 ~6 ]/ v
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% n0 e* Q* ` j) b& U" d+ ~以上为常用的函数！) E4 ~% N- ~: q! v2 n" i
还有很多，如有需要我把资料发到你邮箱里 C6 ]' [0 {$ ]! E' q$ H6 T5 {! y
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