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发表于 2012-11-13 08:48:12
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1判断语句 E: I w& B$ ]" r2 v. Q
if <condition> then
$ B# ~" T; K- Y+ G0 z <statement sequence1>;: \: q' q/ ~& Q
elseif <condition> then
+ ^( |7 ~! v4 Y& v4 `4 U! J% E <statement sequence2>;2 D$ N) M5 X! x8 {+ Z
else
' ^ Z- l! ?# h0 D9 S! p( a' ~ <statement sequence3>;
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如果分支比较多，用：
2 V9 t; P f0 I; V C! M/ y inspect <expression>! B X7 {! U! @' m- N' {9 H
when <constant_list> then
7 m- n0 U! t9 Z) [ <statement sequence1>;- y; Y: z2 A6 F- \/ Z" t! U$ {3 L
when <constant_list> then6 @ ?" ^5 h3 R" C/ y
<statement sequence2>;
" t% U- Z6 c9 Z- m6 \- A' u M4 H3 e# J ...
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<statement sequence3>;
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2循环语句 ?+ L# g9 w0 ~; n
(1) from <statement sequence1>) S, Y/ f; [1 }/ d) R8 }/ a2 i% g7 R) u
until <condition> loop
/ B* N3 r( B H3 t1 M; z <statement sequence2>;# ?; j) F$ F- y: ^
end;+ I2 G4 c8 r( \/ f2 u6 X: Y5 B3 J
(2) while <condition> loop* M* a+ d4 Y1 \1 T( P6 w% I# C
<statement sequence1>;# U9 t% v- |$ Y7 n ?& i2 u
end;1 P' v, i. @5 Y& o. `! N7 Q. n0 a
(3) repeat 7 w( {% o- K0 r6 r y
<statement sequence1>;! a1 P! v) |8 z
until <condition>;
6 B U% d2 q' `3 Z/ E* o (4) for <condition> to <condition> loop
p- D! j2 O n0 X! Y! B7 F, a <statement sequence1>;4 C& [6 R4 J. R
next;
; H0 E" @( K- ^6 j5 e3中断语句
; ~/ s; W0 j; g& e' F# d waituntil <condition> prio <integer expression>;
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以上为常用的函数！$ q% I J. _/ Q/ L# P8 H, o
还有很多，如有需要我把资料发到你邮箱里
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