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发表于 2012-11-13 08:48:12
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1判断语句
2 d6 M: p0 }2 s3 \5 i/ K9 j# h if <condition> then Z, k/ X+ M7 _" C
<statement sequence1>;
$ P# S+ f$ B' O; k5 ?9 J4 L+ W$ T3 n* l elseif <condition> then
4 P6 A H4 T M; b <statement sequence2>;
1 b) L! u& _. U0 J4 H else 7 `, Y8 n9 n2 U, A W9 t" \. W
<statement sequence3>;
! Z( x4 ]5 w6 a: [; I8 u end;
7 c( a/ p) Y1 S7 `; y4 e0 M- e如果分支比较多，用：
+ k( A. q1 o$ b: B; h; k2 Y5 F inspect <expression>
+ h: N- ~, k" K when <constant_list> then
3 a; K/ u- D0 J <statement sequence1>;
' [ f8 X- j2 W$ c+ r3 x$ d when <constant_list> then
+ W4 f( F3 h( r: h! N <statement sequence2>;
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else7 q+ o0 S3 o; I+ P9 z2 h0 q
<statement sequence3>;7 `3 g. R% r! o7 @; E9 U8 L+ F
end;; Y# q+ Y6 j( }& e5 r9 \
$ \2 E2 A7 `! b6 G. ^2循环语句
4 _- @" \" \0 R; }5 p# z (1) from <statement sequence1>
( K2 h( h7 I2 U! U+ G- T7 C until <condition> loop
+ f; |( @6 B8 [4 a5 t1 G5 E; X <statement sequence2>;
h/ q. N6 } w- w3 u7 k( e+ ~& L end;0 n' l5 b; m! H( A' e
(2) while <condition> loop, Z3 @1 r, R7 }! e( u8 s% [
<statement sequence1>;0 o( ~& N5 j6 J) ^$ a' N
end;
3 I% P K- ?3 U6 l; J6 M (3) repeat 8 o. m6 r/ p% ?
<statement sequence1>;) N: ?1 a; A' C4 {
until <condition>;! A, N* j' l C( {2 W" C
(4) for <condition> to <condition> loop
8 D2 l2 m" h& `9 i6 }: A5 Q" T <statement sequence1>;
$ H+ `, e7 I' `# o: b6 V$ Z1 T next;
9 Z& `9 r/ _+ S, G, d6 a3中断语句
1 o9 ^; h8 \& k8 D2 N# R waituntil <condition> prio <integer expression>;# N6 ^) r7 c/ V* L. m0 C, a% y
. k2 p' \0 i5 n' m8 m& j( B
( h& o) S' }! c3 J
以上为常用的函数！: V$ Z% u5 s" Y( K# v
还有很多，如有需要我把资料发到你邮箱里
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