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发表于 2012-11-13 08:48:12
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1判断语句
2 r$ y2 H% V0 n9 {9 \3 P* G+ ^ if <condition> then2 z# l$ u5 J+ r0 G6 \! D
<statement sequence1>;3 |* r$ U! Z) Q# A9 w
elseif <condition> then: @% Z) B# H: k! }1 `6 r, p+ L, m
<statement sequence2>;
+ d5 w" {2 u; p* T else
2 |8 i: R. z2 N, [' E) J <statement sequence3>;# z. c( o; Y1 ~* M" A
end;
- Q% h3 f: T. Z( m如果分支比较多，用：
; g+ q: a- \' `9 I' X: K inspect <expression>5 {' R9 N9 w4 }7 v) J" Z
when <constant_list> then6 |* ]9 ]1 r" R5 T J% z/ q
<statement sequence1>; m S$ B; r% m+ u+ L
when <constant_list> then4 e: l: _- L$ p
<statement sequence2>;
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else
- t5 I& e% a" F# V1 E <statement sequence3>;
$ _7 I* p3 S% ]* L6 Rend;1 I) r( F8 [2 n% `
0 Z. O* E6 O" O: z: i3 x2循环语句
9 r' E! X4 N ]% n$ y* A (1) from <statement sequence1>; k6 k' s5 s7 Z) o' z' o- O
until <condition> loop
: n3 j% B3 ^6 E: l7 D, }- R, j <statement sequence2>;9 | M5 J0 F+ u
end;
1 \; l7 ?0 b6 K) i! B (2) while <condition> loop
+ S$ @7 v/ x( Z' V) u- t9 ~# L4 V <statement sequence1>;
3 q3 U6 H$ ~! c& J3 L/ T% } end;
# o: {1 V) j8 [: ? (3) repeat i& `5 j. k7 l6 u% |
<statement sequence1>;. X0 c( @$ A. p+ n
until <condition>;
. E# S: O+ @3 K9 W! \* M (4) for <condition> to <condition> loop3 Q" Z" K4 p5 y4 A
<statement sequence1>;- t; I; D0 g; H7 w/ c! n
next;
5 t3 K L9 }& ]% ]3 n: T' U% }3中断语句2 K0 u7 c; L& V0 j T- a
waituntil <condition> prio <integer expression>;
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以上为常用的函数！) x9 Y; f* E* d: F! }
还有很多，如有需要我把资料发到你邮箱里 7 A" r4 ?3 @& |, v$ E
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