|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句% v0 T8 L% `# R* [; v7 M6 @3 v) G3 a
if <condition> then
2 T1 ]$ L8 u$ @$ _6 p' ^ <statement sequence1>;
1 `/ S; {+ w4 X! z! l* Y elseif <condition> then( M2 b- j. [5 n9 q) F& M$ |
<statement sequence2>;
/ b4 e+ y+ d3 b! F1 Z9 w else
) ~# q) l$ i- Y/ ^- ?. p v: a <statement sequence3>;
* A! `# E: R1 { N4 ^. p% r end;
0 { B9 R3 c/ H1 ?* m, `如果分支比较多，用：4 Q* y& o5 E! y
inspect <expression>
! O( `* o6 N* p, ? when <constant_list> then @1 g. O; U) k% q( r; C- ]+ v1 K
<statement sequence1>;% ^$ B7 n. M8 R& p+ _' f! ~1 E
when <constant_list> then+ L- m3 L3 _5 l0 z: M- N/ b+ p s5 C
<statement sequence2>;: p0 G1 z. Z& ^& l% X) g+ z
...! d6 [# q! y& G% n7 I
else
t! B" N* `$ N# U( v <statement sequence3>;
: e" Q& `! z V$ Bend;5 T, r/ S9 W+ }
1 _ P/ v. p1 Y$ l" s7 Y, t2循环语句3 E0 Z! z8 z7 ]5 ~9 B8 a
(1) from <statement sequence1>- l4 w4 h- g" T" O- s4 X' O
until <condition> loop
* W# I2 H* M% s7 C0 j1 M. r <statement sequence2>;0 R! }8 j; J( O7 W
end;
; l( }8 b! J& {4 T2 S (2) while <condition> loop
9 R7 ~1 Z/ W8 B <statement sequence1>;+ Y, I# x5 P( n# [) l3 y `0 ]
end;
e! c7 r {& s1 N (3) repeat ) E7 w5 o6 O3 e: n7 o* D
<statement sequence1>;
9 N3 G6 C* f) M until <condition>;
* U0 n1 C" o3 s$ {( ] (4) for <condition> to <condition> loop. ^( T" i) O2 M8 G$ |2 c+ s
<statement sequence1>;. j3 t1 g2 l8 h8 x: J
next;
6 n( c* b' D9 [9 p& Z3中断语句) u9 Y- s4 d( E t3 o+ e
waituntil <condition> prio <integer expression>;+ L# l2 {' K! g! `. y" j$ W) s9 Q
0 k2 P, J* \0 Q6 K* m8 l" G; @4 [8 W1 T8 d% ?3 h7 V+ C; y! l
以上为常用的函数！
2 Y1 J7 @% Z& p4 X, R还有很多，如有需要我把资料发到你邮箱里 ; [) b5 F, w& ]. p5 f4 |
1 c2 [$ k2 m& U! v! g
, y; a+ x4 Y1 ], j( N) q# {/ ^+ ` D \3 m1 \" C$ ^
- {* n, Q9 G1 g' _7 F8 Y) k2 H; o7 s9 ~/ d3 l; w- k1 @
. O) K! ?! b0 a; {9 \2 |% Z7 q
8 T& G6 j: J& W
& r, L1 q: k* `! b* q7 h
) I, W) G6 {9 S* g/ I, i
b; \, O: V# L |
|
[复制链接]
