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发表于 2012-11-13 08:48:12
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1判断语句2 S7 Y, k* N5 ^& |
if <condition> then: L/ B# |# R9 r
<statement sequence1>;
7 } R; G. g S H+ G( y elseif <condition> then8 R! X) X5 n' W" d
<statement sequence2>;$ s0 f4 B: m. V o( F* Z8 f6 l
else
' z7 k- E/ ]( y' n7 W8 m8 F <statement sequence3>;
9 Z z: H% ? J9 C end;
0 ^9 v( ^$ }5 w; W( y4 o3 c如果分支比较多，用：
, M1 D$ g9 n8 R5 o inspect <expression>
( j, g, Y8 Y3 }5 p3 V when <constant_list> then) u, s! ?2 n* F- a: F
<statement sequence1>;6 n" D# Q, K+ U Q U2 l7 s( M( X5 G
when <constant_list> then* X' X G' T* u( t" }$ u5 S
<statement sequence2>;8 e: h7 [0 k( b! D2 V, g8 v! C
...
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<statement sequence3>;
/ ~0 r! \' P6 C* @8 C. wend;7 I5 C4 N0 k5 w) X c+ o2 S3 ]
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2循环语句
4 ~0 B; }0 d5 {; s4 w! n0 l (1) from <statement sequence1>
0 C, {" T9 r* o+ W until <condition> loop$ b* E6 R2 O3 r
<statement sequence2>;( E7 _( W, s o+ ~
end;& i4 p3 A4 j; d$ C( X. |
(2) while <condition> loop, L5 a6 H: B" D2 y+ z5 ^' M
<statement sequence1>;# i+ Z; _6 T1 v4 J# K
end;1 G# f" c" F+ e; O, a
(3) repeat + n( d8 V) h0 `. S& P' n8 i$ Y
<statement sequence1>;- x+ ]1 o8 L+ J1 v8 G( c
until <condition>;- s; j4 p I$ L
(4) for <condition> to <condition> loop
+ g3 Q, L+ }, R5 h5 f <statement sequence1>;
! Q g7 C/ ^, i; f5 V4 @ next;
1 b9 B9 `1 h& d+ z% b# M7 r( [* K3中断语句5 {2 l& ^1 T3 I$ Y
waituntil <condition> prio <integer expression>;! k J6 y5 r7 i' y# u
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以上为常用的函数！
8 y& k$ ^9 @ y& m; F, W, d0 @; z还有很多，如有需要我把资料发到你邮箱里
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