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发表于 2012-11-13 08:48:12
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1判断语句
7 h6 M+ }# ^/ |' P9 Q( W- E if <condition> then; n* `" z4 j. U1 m
<statement sequence1>;% A0 f3 A% R4 ]/ e l1 w- R
elseif <condition> then
, d1 a( |" X: v6 g0 v y2 B <statement sequence2>;
9 X1 U1 O- x, S3 p5 p' ]& |( K else % c0 ]) [7 r4 [: v: x9 C
<statement sequence3>;
6 c& N3 i: |. k1 i end;
! `1 h# x: c4 U' o如果分支比较多，用：- Q* N" B! T; i& |7 b5 @1 T
inspect <expression>
0 [8 k1 L# _! n& ^" X when <constant_list> then
1 J( M9 i2 o/ S7 w7 S; L1 x <statement sequence1>;
7 j ?+ h$ L5 V when <constant_list> then
4 i9 E+ w2 f1 s) A. o J I5 E g <statement sequence2>;
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else
' S5 E+ t C# Q <statement sequence3>;
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( O6 N% X, T( z/ k* c2循环语句
+ }" `, K6 a) Y" `* k) r" D4 z% z' ?3 } (1) from <statement sequence1>( S: O+ u0 U; k' z
until <condition> loop
! M( d. z6 w1 D <statement sequence2>;
d% k T; C7 P' \# [ end;
" M& s* m9 t2 L) b/ d (2) while <condition> loop
0 g. a2 d t1 t! W: w <statement sequence1>;
: c3 Y$ w, f+ W/ r end;8 R3 k. k2 g* s
(3) repeat * R' c1 Z7 W: o
<statement sequence1>;0 I7 t- z* p+ |8 R" U8 F! j
until <condition>;
- W6 M4 b0 G2 S( b (4) for <condition> to <condition> loop
4 I1 y$ v" X* Z4 C6 h5 g# P6 H0 w <statement sequence1>;) |6 D% |( Y8 V8 x6 X! k: G6 r O8 F
next;
% ]9 B' q& Y" e' L+ w2 @; p3中断语句
; c- c- {# K5 U5 o4 \ waituntil <condition> prio <integer expression>;
0 a4 R! Y5 H- Y" m; m7 I' ?9 q* w9 c; L+ J
9 J2 w" d8 T0 {# u$ ]! Z8 Z以上为常用的函数！
2 F/ n- _' ?! W% O还有很多，如有需要我把资料发到你邮箱里
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