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发表于 2012-11-13 08:48:12
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1判断语句+ ?2 e$ ~: Q: m; f$ c
if <condition> then; X6 G1 C) I) u
<statement sequence1>;) P4 p. S$ b% l9 v* G1 m+ V& \
elseif <condition> then3 j& c6 U5 ^# T+ }) i
<statement sequence2>;
) K" M. `0 } m# q& D else
) ^: u+ @) }8 p9 T7 j7 Z' ]& E <statement sequence3>;7 m" e6 R2 I' ~! c" N: w8 l
end;9 t; g# e K, N' X0 m& z7 H
如果分支比较多，用：
8 c0 v. V' t: s. W inspect <expression>) `# |' L/ w. H: J
when <constant_list> then7 a$ C) {5 `' D9 O7 k2 R9 r( E# D
<statement sequence1>;
( Q( Y( ?, D( K5 g& o* f% M when <constant_list> then5 r- p G1 I- x( w8 Z& n
<statement sequence2>;. K. D: V) u1 n; Y( [4 A( n
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else
' \5 i/ d ?5 n3 f6 e <statement sequence3>; R V2 B; t' B6 q1 C
end;
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1 {9 h- ^0 I7 ^2 R+ i0 ]2循环语句5 K+ K" b# T2 Y+ A
(1) from <statement sequence1>& D) k/ ` F( z: k) D
until <condition> loop
/ `8 D, r( F7 N, Q8 u <statement sequence2>;9 G* L1 N( e( U
end;1 q8 d+ y7 G4 l* `) X7 @ F# n8 ~
(2) while <condition> loop
1 i( D9 z( q; N( R1 I4 b$ X <statement sequence1>;
! n0 a* `* V. W; a$ F( Y2 U end;+ }1 B( F* [9 t
(3) repeat - |# M2 u% @* p6 c7 a9 A% O# c7 o
<statement sequence1>;
/ h( C# W( N" G: M until <condition>;
4 W/ M# G" d8 G2 `" w: ?0 I2 } (4) for <condition> to <condition> loop
+ A( c0 b+ ?* M. W <statement sequence1>;$ P+ |( S; y1 I0 j r6 k. f
next;
H( |2 F" \3 v2 f3中断语句
( A1 O, a6 {% ^* ]% d waituntil <condition> prio <integer expression>;; D4 e1 E4 c( {/ v( Z) b
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以上为常用的函数！( I# n, @- h9 O* O
还有很多，如有需要我把资料发到你邮箱里
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