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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
8 \5 ^; u; d+ q5 o7 O& ? if <condition> then
- L" E# b$ H) T5 |4 ^ <statement sequence1>;, {& i7 I; w& ?4 j& V! X
elseif <condition> then5 j; ]. d/ d4 j$ i* Y+ D
<statement sequence2>;
% N1 O' t: ]1 z5 x) v else 6 p/ v/ \* b$ ^' [8 I( q' k. a
<statement sequence3>;& W7 H& e1 i4 d
end;+ k/ O" G& ?* c
如果分支比较多，用：
8 v+ o: O: j% _; M inspect <expression>
1 @' s( l8 i/ N" Z. I( s. L when <constant_list> then
* [( S; S a4 [- F1 P, Z8 d6 N <statement sequence1>;2 o5 G6 D3 J+ w& @
when <constant_list> then( ~6 V+ _2 ?; W6 c
<statement sequence2>;$ L" C! T1 A4 a3 {
...
7 {6 l) d I- `& |4 g/ P else
2 f( j$ b' x1 Z <statement sequence3>;7 o; x9 Q/ F; O! Z9 v- r
end;
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9 A5 y$ a& V2 d. ?3 R2循环语句
5 _* `) R* o3 i; F, K- ~ (1) from <statement sequence1>
4 d0 N, B/ F# u$ y" ]* P/ p until <condition> loop8 V9 O }2 |: N9 P
<statement sequence2>;
% N, \4 A+ r/ F end;
?4 c( |! l9 N% z- h7 ] (2) while <condition> loop% F+ @" H5 U- U6 {5 L
<statement sequence1>;
; u7 P& E& X* w4 z4 y2 w end;4 P# t5 [6 J+ S1 Y* ~: D' T0 t
(3) repeat 7 X7 s: F% v. B- ?
<statement sequence1>;- [4 G# k5 v) F- t
until <condition>;* q8 @ P6 u. D4 e; F `0 I
(4) for <condition> to <condition> loop7 A! C$ d `/ ?' ] J8 r
<statement sequence1>;
: _ }; ? w2 E* V next;1 |4 s- v% {/ Z) r" ]
3中断语句
1 V8 A# \7 A- B2 m! B) B6 m# J waituntil <condition> prio <integer expression>;
3 u8 g( H1 S/ `9 H( v- |& O3 A1 j, P) @2 a+ C( ]- y
0 y; z$ M5 T- B- v3 y" g/ @/ g以上为常用的函数！( q" ?& s9 f$ Q* @ {1 M- z: v- i2 v
还有很多，如有需要我把资料发到你邮箱里 & r2 Y0 n; O- f( N
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