|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
5 P: E- y% B$ e if <condition> then0 L% b" L o; \' A
<statement sequence1>;8 j7 K& b2 Y* @$ H3 u) q8 p/ j% [7 f
elseif <condition> then5 g P; R* |& @
<statement sequence2>;4 K1 r/ e" W$ B, ^5 e" ~
else * h a! F2 s. Y$ Z, z; {( C
<statement sequence3>;0 l, T, t: p3 |9 K5 E
end;4 ^, w$ g* n0 b
如果分支比较多，用：& `# D, V1 S. j% O6 Y$ a6 Z" H
inspect <expression>1 m+ B3 N3 x) a& F) j
when <constant_list> then n! l$ u7 S, \
<statement sequence1>;, S, r, K1 ~+ I
when <constant_list> then4 }" H e U- {
<statement sequence2>;
; U N5 ^$ d9 m ...7 e6 [! ^# s1 T' o2 \# v ^
else
) P1 v( ?* }' x5 s4 I; N* d <statement sequence3>;% u, k& W3 c' b2 R# k
end;
* _0 A9 [2 T8 l0 Q* u$ @2 H
\ z5 q5 S/ t2循环语句% |0 @8 z& l+ d' A0 z
(1) from <statement sequence1>7 K7 }5 B: p3 i4 g; f) S0 w: T" {
until <condition> loop6 w% V& t7 e& a. D* j0 |
<statement sequence2>;( `' J W0 I3 J) p2 P8 P+ j
end;
+ R# a; u* l3 j& L4 I6 R2 n! Y (2) while <condition> loop
k: T$ V: H+ L( R1 o G d& i; a <statement sequence1>;/ X5 \* g7 l6 D
end;
( l% ?+ \6 g2 I6 J (3) repeat
7 }5 a" V7 Y( q0 C% _ <statement sequence1>;7 S* ?; H( X" N& T" q3 C g
until <condition>;$ S$ Q1 w$ w0 v. P# {
(4) for <condition> to <condition> loop; m! n" L" L$ @" k# H+ O" [2 N
<statement sequence1>;4 W; u6 @# s( |0 K [+ r
next;# |5 }/ Q; D5 u7 J+ t1 p2 H0 Z- ^6 z
3中断语句
' H& Z5 J; b7 c1 a+ O$ B& ] waituntil <condition> prio <integer expression>;
9 H, f8 v# C [! l! C' J5 K& D9 g! W) X# n
# a5 W' n. H1 r. C* B0 @' d, [
以上为常用的函数！ z1 L& ?; `, _/ n6 V6 G
还有很多，如有需要我把资料发到你邮箱里 7 ]" A: N: \, Y5 ?# u; x; h
" h( V+ _- C8 I# [; G1 e p) e; @# { E$ e6 `& K9 s
7 @' u! A: e6 F' b$ W" t2 ?
% H" W# P5 H. l; [2 }1 K; Q0 f
2 d, [1 M8 m; s4 S l& G$ b8 G& h* @) ?
5 w9 x9 E5 R7 F' Z# n; @
8 M7 _& z; i( W& z
5 k A9 Y9 K8 |4 Q( c( p4 w 0 w$ W$ z- U# f; d
|
|
[复制链接]
