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发表于 2012-11-13 08:48:12
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1判断语句
3 k( B, ]" m% R( J2 v if <condition> then
( _9 A4 N* l7 ?5 z5 ` <statement sequence1>;0 p+ V8 R* F2 A( W- ?5 ]9 f
elseif <condition> then8 M; b" R+ z- ~3 v( u4 a
<statement sequence2>;$ J" n, h k! Y7 i: F- r
else . n/ r. G q' V
<statement sequence3>;6 V* A6 @) T' J* m; C4 W+ u
end;+ e9 E; ^, V# n2 w7 `$ x4 r3 Y: |
如果分支比较多，用：" y" x# q9 ~; W6 a" I; W; C
inspect <expression>
' ], u3 ^6 k0 C' m2 e/ n4 u9 v4 ` when <constant_list> then
# h- M7 [& |3 h3 A9 P; Q1 ^4 f <statement sequence1>;! ?1 b7 W+ c, O c7 J, c2 K3 y# v
when <constant_list> then1 V) w1 J! l. h4 K2 b) J% _
<statement sequence2>;( x! Y$ _, g) o
..., d5 }( {( c1 h* S. w
else8 A% ^& }7 G4 m N _
<statement sequence3>;
j1 N1 X3 h+ tend;
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( L% o* M" k( D( S0 |7 u: [2循环语句( B8 v4 \* O; y, z
(1) from <statement sequence1>; R5 [9 ?6 }; A! F& M% V
until <condition> loop
4 u, M+ X2 r: L$ r* X) e2 z <statement sequence2>;
) B) f7 Q; u* i( r, z# H3 C end;& n" d1 f& c! Q1 F9 K) D2 T
(2) while <condition> loop, Q+ a! X4 O# S' A
<statement sequence1>;5 q) Q* ~+ G* ], y# J
end;
. ^. X4 V% w0 [ (3) repeat
* X' v% Y, j, ?" |) I4 [. ~; q <statement sequence1>;+ e/ P- J* I; Z5 \/ X0 Y
until <condition>;
2 D( X3 a! U/ e$ x* I (4) for <condition> to <condition> loop
6 ^. f: Z. T" H- E9 ^: |7 j0 h0 g <statement sequence1>;
) R* q- g7 D4 t4 I2 e. g* ~ next;7 V/ D( z! w$ `; I9 k
3中断语句
# e/ ]. U+ T' |- H waituntil <condition> prio <integer expression>;
0 v, ? i6 K6 h& O) O4 r% E! H% F5 ~; N0 p) R# n
# n( A- ]4 `( A4 `9 q9 {
以上为常用的函数！
% s: a, ?3 y' D9 e3 X( \2 y还有很多，如有需要我把资料发到你邮箱里 # h9 K# s6 T* M$ L9 B; U
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